11th Standard Biology English Medium - Important 5 Mark Question Paper and Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

• 1)

  Briefly discuss on five kingdom classification. Add a note on merits and demerits.

• 2)

  Differentiate haplontic and diplontic life cycle.

• 3)

  Compare sympodial branching with monopodial branching.

• 4)

  Explain the different types of fleshy fruit with suitable example.

• 5)

  Give the floral characters of Clitoria ternatea.

11th Standard Biology English Medium - Important 3 Mark Question Paper and Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

• 1)

  Write the distinguishing features of Monera.

• 2)

  Do you think shape of chloroplast is unique for algae? Justify your answer.

• 3)

  Differentiate between aggregate fruit with multiple fruit.

• 4)

  Distinguish between prokaryotes and eukaryotes.

• 5)

  Describe the types of RNA.

11th Standard Biology English Medium - Important 2 Mark Question Paper and Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

• 1)

  Differentiate Homoiomerous and Heteromerous lichens.

• 2)

  What is plectostele? Give example.

• 3)

  How root climbers differ from stem climbers?

• 4)

  Find out the floral formula for a bisexual flower with bract, regular, pentamerous, distinct calyx and corolla, superior ovary without bracteole.

• 5)

  Where will you place the plants which contains two cotyledons with cup shaped thalamus?

11th Standard Biology English Medium - Important 1 Mark MCQ's Question Paper and Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  The correct statement regarding Blue green algae is ______.

• 3)

  Roots are ______.

• 4)

  In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be ______.

• 5)

  Sequences of which of the following is used to know the phylogeny.

11th Standard Biology English Medium - Revision Model Question Paper with Answer Key 2022 - 2023 - by Study Materials - Dec 31, 2022 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Which of following represents gametophytic generation in pteridophytes?

• 3)

  Which of the following is the correct statement?

• 4)

  Which of the following is not present in same rank?

• 5)

  The respiratory pigment in cockroach is _____.

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Five - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Four Kingdom System of classification was given by ___________.

• 2)

  One nanometer equals to ________ metres.

• 3)

  In which sporophyte elaters are present and help in dispersal __________

• 4)

  Insectivorous plants trap insects for obtaining ____

• 5)

  Respiratory roots are found in_________________.

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Six - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  Living things are made of ___________

• 3)

  Which among the bacteria breakdown hydrocarbons?

• 4)

  Asexual reproduction occurs by conidia _________.

• 5)

  Lysogenic cycle is otherwise called _________.

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Six - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  _______________ multiply and spread very fast by producing millions of asexual spores.

• 2)

  ______________deals with the study about the root and shoot system.

• 3)

  Butterfly shaped corolla is seen in ____________

• 4)

  Presence of same number of perianth parts in different whorls of a flower____________.

• 5)

  Which of the following have an open circulatory system?

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Seven - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Living things are made of ___________

• 2)

  Odd one out ( Type of ascocarp):

• 3)

  Viruses have nucleic acid core surrounded by __________.

• 4)

  Lysogenic cycle is otherwise called _________.

• 5)

  The RedTide incident was occur in ____________.

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Seven - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  ______________ is considered to be a new kindgom.

• 2)

  Indicate the correct statement:

• 3)

  The 1nm __________.

• 4)

  _______ is an intact infective virus particle which is non - replicating outside a host cell.

• 5)

  The Bacterial genetic material is referred as __________.

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Eight - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  ___________ are considered as pollution indicators.

• 2)

  Mad cow disease is caused by ______________

• 3)

  An example of photoautotrophic bacteria is ___________

• 4)

  _______ is an intact infective virus particle which is non - replicating outside a host cell.

• 5)

  Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as wen as animals and can survive without oxygen?

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Eight - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The correct statement regarding Blue green algae is ______.

• 2)

  Founder of modern Bacteriology _________________

• 3)

  Which among the bacteria breakdown hydrocarbons?

• 4)

  Asexual reproduction occurs by conidia _________.

• 5)

  Lysogenic cycle is otherwise called _________.

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Nine - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  An example of photoautotrophic bacteria is ___________

• 2)

  Growth in non-living objects is _______ .

• 3)

  Which one of the following is used in manufacture of alcohol?

• 4)

  The sourness of curd is due to _________ .

• 5)

  Among Brown algae,____is a fresh water form.

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Nine - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  Retting of fibre is caused by __________ .

• 3)

  Rice tungro is caused by ___________ .

• 4)

  The seven kingdom system of classification was proposed by _________

• 5)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Ten - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Living organisms constitute __________

• 2)

  Bacteria was first discovered by a ______________ scientist.

• 3)

  Which Gram negative bacterium caused Duodenal and Gastric ulcers?

• 4)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 5)

  In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be ______.

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Ten - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  Living organisms constitute __________

• 3)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 4)

  In Pheretima locomotion occurs with help of ______.

• 5)

  Buccopharyngeal respiration in frog ______.

11th Standard Zoology - Neural Control and Coordination English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which of the following pairings is correct?

• 2)

  Which part of the human brain is concerned with the regulation of body temperature?

• 3)

  Match the following human spinal nerves in column I with their respective number in column II and choose the correct option.

  Column I	Column II
  P. Cervical Nerves	i. 5 pairs
  Q. Thoracic nerves	ii. 1 pair
  R. Lumbar nerves	iii. 12 pairs
  S. Coccygeal nerves	iv. 8 pairs

• 4)

  All of the following are associated with the myeline sheath except.

• 5)

  Which of the following statement concerning the somatic division of the peripheral neural system is incorrect?

11th Standard Zoology - Chemical Coordination and Integration English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The maintenance of constant internal environment is referred as ______.

• 2)

  Which of the following gland is related with immunity?

• 3)

  Hypersecretion of GH in children leads to _____.

• 4)

  The structure which connects the hypothalamus with anterior lobe of pituitary gland is the ______.

• 5)

  Which of the given option shows all wrong statements for thyroid gland.
  Statement
  (i) It inhibits process of RBC formation
  (ii) It helps in maintenance of water and electrolytes
  (iii) Its more secretion can reduce blood pressure
  (iv) It Stimulates osteoblast

11th Standard Zoology - Excretion English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Concentration of urine depends upon which part of the nephron ______.

• 2)

  A person who is on a long hunger strike and is surviving only on water, will have

• 3)

  Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through _____.

• 4)

  Malpighian tubules remove excretory products from _____.

• 5)

  ____________is not a waste product.

11th Standard Zoology - Excretion English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  If Henle's loop were absent from mammalian nephron, which one of the following is to be expected?

• 2)

  Glomerular filtrate contains ______.

• 3)

  Animal requiring minimum amount of water to produce urine are ______.

• 4)

  The hormone which helps in the reabsorption of water in kidney tubules is _____.

• 5)

  ___________part of nephron has evolved to form hypertonic urine.

11th Standard Zoology - Locomotion and Movement English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Muscles are derived from _____.

• 2)

  The functional unit of a muscle fibre is ______.

• 3)

  The protein present in the thin filament is _____.

• 4)

  Each skeletal muscle is covered by ______.

• 5)

  Name of the joint present between the atlas and axis is _____.

11th Standard Zoology - Neural Control and Coordination English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which structure in the ear converts pressure waves to action potentials?

• 2)

  Assertion(A): The imbalance in concentration of Na⁺, K⁺ and proteins generates action potential.
  Reason(R): To maintain the unequal distribution of Na⁺ and K⁺, the neurons use electrical energy.

• 3)

  The respiratory centre is present in the _______.

• 4)

  Which of the following statements is wrong regarding conduction of nerve impulse?

• 5)

  When the potential across the axon membrane Is more negative than the normal resting potential, the neuron is said to be in a state of ______.

11th Standard Zoology - Locomotion and Movement English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Muscles are formed by ____.

• 2)

  The protein present in the thick filament is _____.

• 3)

  The region between two successive Z-discs is called a ______.

• 4)

  Knee joint is an example of _____.

• 5)

  ATPase enzyme needed for muscle contraction is located in ______.

11th Standard Zoology - Chemical Coordination and Integration English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which of the following are exclusive endocrine glands?

• 2)

  Iodised salt is essential to prevent ______.

• 3)

  Which of the following statement about sex hormones is correct?

• 4)

  Which one of the following statement is correct

• 5)

  The hormone _____________is insignificant in mammals.

11th Standard Botany - Taxonomy and Systematic Botany English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Phylogenetic classification is the most favoured classification because it reflects _______.

• 2)

  Perianth is present in_______.

• 3)

  Binomial system of nomenclature was introduced by ...........

• 4)

  First modern botanical garden was established in .............

• 5)

  Carolus Linnaeus published species Plantarum in ...........

11th Standard Zoology - Trends in Economic Zoology English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which one of the following is not related to vermiculture?
  (a) Maintains soil fertility
  (b) Breakdown of inorganic matter
  (c) Gives porosity, aeration and moisture holding capacity
  (d) Degradation of nonbiodegradable solid waste

• 2)

  Assertion(A): Nuptial flight is a unique flight taken the queen bee followed by several drones.
  Reason(R): The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.

• 3)

  Which of the statement regarding Lac insect is TRUE?

• 4)

  Prawn belongs to the class ______.

• 5)

  Inland fisheries are _____.

11th Standard Zoology - Trends in Economic Zoology English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which one of the following is not an endemic species of earthworm?

• 2)

  Silk is obtained from ________

• 3)

  Rearing of honey bee is called __________

• 4)

  Aquaponics is a technique which is _______.

• 5)

  Induced breeding technique is used in ______.

11th Standard Botany - Living World English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Identify the Archaebacterium.

• 3)

  Identify the correctly matched pair.

• 4)

  Basidiomycetes do not possess this feature.

• 5)

  Living organisms constitute __________

11th Standard Botany - Living World English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the incorrect statement about the Gram positive bacteria.

• 2)

  The correct statement regarding Blue green algae is ______.

• 3)

  A plant growth promoter got from fungi is ___________

• 4)

  ___________ are considered as pollution indicators.

• 5)

  Living thing is otherwise called as ___________

11th Standard Botany - Plant Kingdom English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which of following represents gametophytic generation in pteridophytes?

• 2)

  In gymnosperm endosperm is formed_______.

• 3)

  The presence of cap cell is characteristic of,_____

• 4)

  Bulbils occur in the alga ____

• 5)

  The oldest recorded alga is __________

11th Standard Botany - Plant Kingdom English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which of following represents gametophytic generation in pteridophytes?

• 2)

  In gymnosperm endosperm is formed_______.

• 3)

  ______is a halophytic alga.

• 4)

  The presence of cap cell is characteristic of,_____

• 5)

  Bulbils occur in the alga ____

11th Standard Botany - Vegetative Morphology English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Roots are ______.

• 2)

  Bryophyllum and Dioscorea are example for ______.

• 3)

  The growing tip of the root _____.

• 4)

  _____ is an example for Lianas.

• 5)

  The root in Dahlia is described as ___

11th Standard Botany - Vegetative Morphology English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  When the root is thick and fleshy, but does not taken a definite shape, it said to be _________

• 2)

  ______ is a submerged aquatic plant.

• 3)

  Storage leaves are seen in ___

• 4)

  One of the following is a leaf ____.

• 5)

  Stem modified into a flattened photosynthetic structure _____

11th Standard Botany - Reproductive Morphology English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Gynoecium with united carpels is termed as ______.

• 2)

  In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be ______.

• 3)

  Cymule means __________

• 4)

  The inflorescence in Euphorbia is a ____________

• 5)

  Coenanthium is seen in ____________

11th Standard Botany - Reproductive Morphology English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Gynoecium with united carpels is termed as ______.

• 2)

  The inflorescence in Euphorbia is a ____________

• 3)

  Coenanthium is seen in ____________

• 4)

  Cruciform corolla is seen in __________

• 5)

  Bilabiate corolla is seen in ______________

11th Standard Botany - Taxonomy and Systematic Botany English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Specimen derived from non-original collection serves as the nomenclature type, when original specimen is missing. It is known as ________ .

• 2)

  Plantae is a ................

• 3)

  19^th International Botanical Congress was held in .............

• 4)

  The largest botanical garden is in ............

• 5)

  Bambusetum is the major attraction in ............

11th Standard Botany - Cell - The Unit of Life English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The two subunits of ribosomes remain united at critical ion level of _______.

• 2)

  Many cells function properly and divide mitotically even though they do not have.

• 3)

  Robert Hooke coined the term cell based on observation of_______

• 4)

  A patch stop carrier is a part of_______

• 5)

  Choose the correct statement with regard to working of scanning electron microscope.
  (a) Glass slides are used
  (b) They work in a vacuum medium
  (c) The stubs are coated in gold
  (d) A 2-D picture is obtained.

11th Standard Botany - Cell - The Unit of Life English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Sequences of which of the following is used to know the phylogeny.

• 2)

  Keeping in view the fluid mosaic model for the structure of cell membrane which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other.

• 3)

  The term animalcules was used by______.

• 4)

  _________ provides 3 dimensional images of surface of microscopic objects.

• 5)

  Endoplasmic reticulum and golgi are involved in the formation of_____.

11th Standard Botany - Mineral Nutrition English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify correct match.

  1. Die back disease of citrus	(i) Mo
  2. Whip tail disease	(ii) Zn
  3. Brown heart of turnip	(iii) Cu
  4. Little leaf	(iv) B

• 2)

  Identify the correct statement
  i. Sulphur is essential for amino acids Cystine and Methionine
  ii. Low level of N, K, S and Mo affect the cell division
  iii. Non-leguminous plant Alnus which contain bacterium Frankia
  iv. Denitrification carried out by nitrosomonas and nitrobacter.

• 3)

  Which chelating agent found in soil are produced by bacteria?

• 4)

  Roots of which plant contain a red pigment Which have affinity for oxygen?

• 5)

  Which group of plants can grow in nitrogen deficient soil?

11th Standard Botany - Cell Cycle English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The correct sequence in cell cycle is ______.

• 2)

  In meiosis crossing over is initiated at ______.

• 3)

  The paring of homologous Chromosomes on meiosis is known as _____.

• 4)

  The number of Chromosomes in onion is ______

• 5)

  Mature neuron and skeletal muscle cell remain permanently in ______

11th Standard Botany - Cell Cycle English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as _____.

• 2)

  Colchicine prevents the mitosis of the cells at which of the following stage ______.

• 3)

  Anastral mitosis is the characteristic feature of _________

• 4)

  The term cell was coined by _____

• 5)

  Amitosis occurs in _____

11th Standard Botany - Biomolecules English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The most basic amino acid is

• 2)

  The only carbohydrate stored in animals is _________.

• 3)

  _____________ is a polymer of fructose.

• 4)

  Membrane lipids are ____________.

• 5)

  The activity of salivary amylase is increased in the presence _________ of ions.

11th Standard Botany - Biomolecules English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The most basic amino acid is

• 2)

  Enzymes that catalyse interconversion of optical, geometrical or positional isomers are ______________

• 3)

  The only carbohydrate stored in animals is _________.

• 4)

  _____________ is a polymer of fructose.

• 5)

  Membrane lipids are ____________.

11th Standard Botany - Tissue and Tissue System English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Refer to the given figure and select the correct statement.
  
  i. A, B, and C are histogen of shoot apex
  ii. A Gives rise to medullary rays.
  iii. B Gives rise to cortex
  iv. C Gives rise to epidermis

• 2)

  In Gymnosperms, the activity of sieve cells are controlled by _____.

• 3)

  Grafting is successful in dicots but not in monocots because the dicots have _______.

• 4)

  Identify the correctly matched pair.

• 5)

  Select the incorrect statement about casparian strips

11th Standard Botany - Tissue and Tissue System English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Read the following sentences and identify the correctly matched sentences.
  i. In exarch condition, the protoxylem lies outside of metaxylem.
  ii. In endarch condition, the protoxylem lie towards the centre.
  iii. In centarch condition, metaxylem lies in the middle of the protoxylem.
  iv. In mesarch condition, protoxylem lies in the middle of the metaxylem.

• 2)

  When a leaf trace extends from a vascular bundle in a dicot stem, what would be the arrangement of vascular tissues in the veins of the leaf?

• 3)

  From the given diagram identify the correct statement:
  (i) A is responsible for increasing in length and is found at the basal portion of internodes
  (ii) A contributes to increase the length of plant.
  (iii) C divides only radially and produces the girth of the plant.
  (iv) B and Care the lateral meristem.

• 4)

  Which of the following is not a function of epidermis?

• 5)

  In a vertical section of a typical dicot leaf, the phloem in the mid-vein is situated

11th Standard Botany - Secondary Growth English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Consider the following statements:
  In spring season vascular cambium
  i. Is less active
  ii. Produces a large number of xylary elements
  iii. Forms vessels with wide cavities of these,

• 2)

  What is the fate of primary xylem in a dicot stem showing extensive secondary growth?

• 3)

  Living part of the wood is called __________

• 4)

  Quinine is obtained from the ____________ of the cinchona tree.

• 5)

  Gymnosperm wood is known as _______________

11th Standard Botany - Secondary Growth English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Usually, the monocotyledons do not increase their girth, because ____.

• 2)

  The common bottle cork is a product of______.

• 3)

  The wood formed in spring season in called ____________

• 4)

  Match the following.

  (a) Phellum	i. Cork cambium
  (b) Phellogen	ii. Secondary cortex
  (c) Phelloderm	iii. Cork
  (d) Phelloids	iv. lack suberin

• 5)

  Choose the wrong statement.

11th Standard Botany - Transport in Plants English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  In a fully turgid cell _____.

• 2)

  Stomata of a plant open due to _____.

• 3)

  Which among the following are common to facilitated diffusion and active transport?

• 4)

  Embolism during ascent of sap refers _________

• 5)

  According to cytochrome pump theory the anions and cations are transported by _____________

11th Standard Botany - Transport in Plants English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which among the following is correct?
  i. Apoplast is fastest and operate in nonliving part. 
  ii. Transmembrane route includes vacuole.
  iii. Symplast interconnect the nearby cell through plasmadesmata.
  iv. Symplast and transmembrane route are in living part of the cell

• 2)

  Which of the following physical force is responsible for ascent of sap?

• 3)

  Identify the wrong statement with reference to Diffusion
  i) It is seen in gases and liquids.
  ii) It is a active process and hence no energy expenditure is required.
  (iii)The rate of diffusion is determined by concentration gradient.
  (iv) It is independent of the living system.

• 4)

  Water potential of pure water is __________

• 5)

  Experiment with Balsam demonstrates

11th Standard Botany - Mineral Nutrition English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  If a plant is provided with all mineral nutrients but, Mn concentration is increased, what will be the deficiency?

• 2)

  Plants deficient of element zinc, shows its effect on the biosynthesis of plant growth hormone _________

• 3)

  The major portion of the dry weight of plant comprises of  ________

• 4)

  A plant which is being researched as cleaning agent for polluted waters  ________

• 5)

  ________ is a mineral required  greatest  amount by plants.

11th Standard Botany - Photosynthesis English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Assertion (A): Increase in proton gradient inside lumen responsible for ATP synthesis
  Reason (R): Oxygen evolving complex of PS I located on thylakoid membrane facing Stroma, releases H⁺ ions

• 2)

  Identify true statement regarding light reaction of photosynthesis.

• 3)

  The photosynthetic pathway is represented in a schematic representation. Mark the correct option.
  

• 4)

  The correct sequence of ftow of electrons in the light reaction is _________

• 5)

  The creation of proton gradient across the thylakoid membrane is a result of _________

11th Standard Botany - Photosynthesis English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which chlorophyll molecule does not have a phytol tail?

• 2)

  Select the correct pair
  I. Chlorophyll a - Pyrrole II carbon 3 attached to aldehyde group
  II. Chlorophyll b - Resemble Chlorophyll a, lacks Mg
  III. Pheophytin - Pyrrole II Carbon 3 attached to Methyl group
  IV. Phycobilin . Have neither Mg nor Phytol chain

• 3)

  Statement
  1. RUBISCO has the most abundant protein on the earth.
  II. RUBISCO has low affinity for CO₂ and O₂ and high affinity for RUBP
  III. RUBISCO is also called diffraction I protein
  IV. RUBISCO is also called fraction I protein

• 4)

  Energy needed for ATP synthesis in PS II comes from____________.

• 5)

  Kranz anatomy is one ofthe characteristics of the leaves of _________

11th Standard Botany - Respiration English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The number of ATP molecules formed by complete oxidation of one molecule of pyruvic acid is _______.

• 2)

  Which of the following reaction is not involved in Kreb's cycle.

• 3)

  In succulent plants respiratory quotient is always less than one because of __________

• 4)

  Succinate dehydrogenase enzyme is found in mitochondrial __________

• 5)

  The number of O₂ molecules required for breaking down of one molecule of glucose forglycolysis _________

11th Standard Botany - Respiration English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  During oxidation of two molecules of cytosolic NADH + H⁺, number of ATP molecules produced in plants are _____.

• 2)

  In Pulses RQ will be __________

• 3)

  Which of the following electron carrier is not involved in mitochondrial electron transport chain?

• 4)

  Which of the following sentence is correct if RQ is less than unity in respiration _________

• 5)

  Much of the energy released during oxidation of pyruvate in TCA cycle is initially stored in the form of ___________

11th Standard Botany - Plant Growth and Development English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Select the wrong statement from the following:

• 2)

  Seed dormancy allows the plants to

• 3)

  The term synergistic action of hormones refers to ____________

• 4)

  During exponential phase of growth one of the following changes does not occur. Identify it ___________

• 5)

  Kurosawa found plants suffering from Bakanae disease. This led to discovery of ................

11th Standard Botany - Plant Growth and Development English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Select the wrong statement from the following:

• 2)

  ________ is the powerful growth inhibitor

• 3)

  Which hormone is maximum in coconut milk?

• 4)

  The term synergistic action of hormones refers to ____________

• 5)

  Kurosawa found plants suffering from Bakanae disease. This led to discovery of ................

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The correct statement regarding Blue green algae is ______.

• 2)

  Disease causing organisms are called as ___________

• 3)

  Lysozyme is secreted by phage during ____________

• 4)

  Dermatophytes are fungi which cause infection in the __________

• 5)

  Bacteriophage is made up of ____________.

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The correct statement regarding Blue green algae is ______.

• 2)

  Yeast and Hydra reproduce by ___________

• 3)

  Stromatolites are the colonies of cyanobacteria bind with ____________ .

• 4)

  Phycology is the study of _______

• 5)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Two - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  _________________ are obligate aerobes.

• 2)

  Each virus posses only one type of nucleic acid:

• 3)

  Mycorrhizae are the example of _______

• 4)

  Rice tungro is caused by ___________ .

• 5)

  Colour revealed by Gram positive bacteria after Gram staining is _________ .

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Two - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  A multicellular organism grows by ____________

• 2)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 3)

  In S phase of the cell cycle ______.

• 4)

  What taxonomicaid gives comprehensive information about a taxon?

• 5)

  Four chambered heart is present in _______.

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Three - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The correct statement regarding Blue green algae is ______.

• 2)

  ____________is called as trimonoecious.

• 3)

  Flowers without sepals are called_______________.

• 4)

  Petals fused to form a bell-shaped corolla_____________.

• 5)

  A fleshy multiple fruit which develops, from a spike or spadix ___________.

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Three - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  ______________ is a capnophilic bacteria.

• 3)

  The genetic material in Bacteriophage ___________.

• 4)

  Mycoplasma is very small and its ranges from __________.

• 5)

  Identify the criteria not used in classifying viruses by Baltimore __________ .

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Four - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  Father of the Indian mycology is:

• 3)

  Teichoic acid is present in the cell wall of _______ bacteria.

• 4)

  Which of the following components provides sticky character to the bacterial cell?

• 5)

  _____________ is a pleomorphic organism.

11th Standard Biology English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Four - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

   _______________ is the branch of science that deals with the study of fungi.

• 2)

  Typhoid is caused by ______________.

• 3)

  The common name of Reindeer moss _____.

• 4)

  Study of fungus is called as __________ .

• 5)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

11th Standard Biology English Medium Free Online Test 1 Mark Questions 2020 - Part Five - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  The genetic material in Wound Tumour Virus ____________.

• 3)

  The Earthy Odour is produced from the soil after rain due to presence of ________.

• 4)

  Which one of the following is used in manufacture of alcohol?

• 5)

  Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as wen as animals and can survive without oxygen?

11th Standard Biology English Medium Free Online Test Creative 1 Mark Questions - Part Four - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The movement of cytoplasm is called ___________ .

• 2)

  Five kingdom system of classification suggested by R.H. Whittaker is not based on

• 3)

  Identify the correct sequence regarding lytic cycle of viruses.
  (A) Penetration
  (B) Adsorption
  (C) Assembly
  (D) Synthesis

• 4)

  Cup fungus belongs to ___________ .

• 5)

  Fucus and Laminaria are rich in_______

11th Standard Biology English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Four - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The cancer causing viruses are also called ___________

• 2)

  _________ helps in coagulation of milk in cheese manufacturing from mucor species.

• 3)

  ____________ play a major role in soil formation.

• 4)

  In one of the following, stem performs the function of storage and propagation.

• 5)

  The point from which leaf arises is called as_____________.

11th Standard Biology English Medium Free Online Test Creative 1 Mark Questions - Part Five - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Disease causing organisms are called as ___________

• 2)

  Transfer of DNA from one bacterium to another is called

• 3)

  Algal partner of lichen is __________ .

• 4)

  Thin walled non - motile spores ___________ .

• 5)

  Two different kinds of leaf in the same plants is called ___________.

11th Standard Biology English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Five - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  TMV has approximately ________________ capsomeres.

• 2)

  The organisms isolated from pleural fluid of cattle ______________

• 3)

  Thick walled aplanospores are called___________

• 4)

  In Chara, thallus is encrusted with____________  

• 5)

  Plants bear fruits every year is _________.

11th Standard Botany English Medium Free Online Test One Mark Questions 2020 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the incorrect statement about the Gram positive bacteria.

• 2)

  Sum total of constructive reactions is called as _____________

• 3)

  Founder of modern Bacteriology _________________

• 4)

  The organisms isolated from pleural fluid of cattle ______________

• 5)

  Lysogenic cycle is otherwise called _________.

11th Standard Botany English Medium Free Online Test One Mark Questions with Answer Key 2020 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Sum total of destructive reactions is called as ____________.

• 2)

  Asexual reproduction takes place through fragmentation___________ .

• 3)

  Asexual phase in fungal reproduction is _________

• 4)

  Ruggerioet at in 2015 proposed __________ kingdom classification.

• 5)

  Transformation in bacteria was demonstrated by _________ .

11th Standard Zoology English Medium Free Online Test One Mark Questions 2020 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Genus Felis refers to__________________

• 2)

  In Pheretima locomotion occurs with help of ______.

• 3)

  In Aves____________ is absent.

• 4)

  Mollusca is _______

• 5)

  Which of the following is not a connecting tissue.

11th Standard Zoology English Medium Free Online Test One Mark Questions with Answer Key 2020 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Metameric segmentation is the main feature of ______.

• 2)

  Which of the following has open type of circulation?

• 3)

  Ascaris is found in _________

• 4)

  Which of the following does not come under the class mammals?

• 5)

  Epidermal scale is the characteristic feature of class reptilian, which of the following class is without epidermal scale?

11th Standard Biology English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Three - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  ______________ is considered to be a new kindgom.

• 2)

  Amber is produced by ____

• 3)

  ____________________is a halophytic alga.

• 4)

  Leaf do not possess petiole is __________.

• 5)

  Which is the correct pair of the edible part?

11th Standard Biology English Medium Free Online Test Creative 1 Mark Questions - Part Two - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  _______________ multiply and spread very fast by producing millions of asexual spores.

• 2)

  Cyanophages means:

• 3)

  Fusion of either morphologically or physiologically dissimilar gametes is called as________________

• 4)

  A branched corymb is called__________.

• 5)

  The type of inflorescence seen in Caesalpinia is ________.

11th Standard Biology English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Two - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The term bacteria was first used by __________

• 2)

  Vegetative Morphology includes _________ .

• 3)

  The inflorescence in Euphorbia is a ____________

• 4)

  The world's largest fruit is __________

• 5)

  Cyathium inflorescence consists of:

11th Standard Biology English Medium Free Online Test Creative 1 Mark Questions - Part Three - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Vaccination for small pox was discovered by ________________

• 2)

  Agrobacterium tumefaciens cause ________ disease.

• 3)

  In which mycelium, the hyphae are arranged loosely?

• 4)

  Select the wrong statement:

• 5)

  ___________________is used as single cell protein.

11th Standard Biology English Medium Free Online Test Creative 1 Mark Questions - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  A plant growth promoter got from fungi is ___________

• 2)

  Living things are made of ___________

• 3)

  Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as wen as animals and can survive without oxygen?

• 4)

  _____________ is thick walled spores meant for perennation and germinates with the advent of favourable condition .

• 5)

  The study of various external features of the organism known as ___________.

11th Standard Biology English Medium Free Online Test Creative One Mark Questions with Answer Key - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Asexual reproduction takes place through fragmentation___________ .

• 2)

  Number of domains of life are there according to Carl Woese _________ .

• 3)

  Bryophytes completely lack _______

• 4)

  Vessels are present in __________ .

• 5)

  Rhizophora has _______ root.

11th Standard Biology English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - Part Two - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which of following represents gametophytic generation in pteridophytes?

• 2)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 3)

  Many cells function properly and divide mitotically even though they do not have.

• 4)

  Anaphase promoting complex APC is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in human cell, which of the following is expected to occur?

• 5)

  Which of the following is not present in same rank?

11th Standard Biology English Medium Free Online Test Book Back One Mark Questions - Part Three - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

• 3)

  Aggregate fruit develops from _____.

• 4)

  In meiosis crossing over is initiated at ______.

• 5)

  Cladogram considers the following characters _______.

11th Standard Biology English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - Part Three - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Who coined the term biodiversity?

• 2)

  Lateral line sense organs occur in ______.

• 3)

  The location and numbers of malpighian tubules in Periplaneta.

• 4)

  Absorption of glycerol, fatty acids and monoglycerides takes place by ______.

• 5)

  During inspiration, the diaphragm _____.

11th Standard Biology English Medium Free Online Test Book Back One Mark Questions - Part Two - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 3)

  Many cells function properly and divide mitotically even though they do not have.

• 4)

  The protein present in the thin filament is _____.

• 5)

  Which one of the following statement is correct

11th Standard Biology English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the correctly matched pair.

• 2)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

• 3)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 4)

  A group of organisms having similar traits of a rank is _______.

• 5)

  Which of the following is a crustacean?

11th Standard Biology English Medium Free Online Test Book Back One Mark Questions - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  When the root is thick and fleshy, but does not taken a definite shape, it said to be _________

• 3)

  Phylogenetic classification is the most favoured classification because it reflects _______.

• 4)

  Which of the following is not present in same rank?

• 5)

  The limbless amphibian is ______.

11th Standard Zoology - Kingdom Animalia English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which of the following animals has a true coelom?

• 2)

  In Pheretima locomotion occurs with help of ______.

• 3)

  Exoskeleton of which phylum consists of chitinous cuticle?

• 4)

  The limbless amphibian is ______.

• 5)

  In which of the following phyla, the adult shows radial symmetry but the larva shows bilateral symmetry?

11th Standard Zoology - Kingdom Animalia English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which of the following animals has a true coelom?

• 2)

  In Pheretima locomotion occurs with help of ______.

• 3)

  Which of the following is a crustacean?

• 4)

  Exoskeleton of which phylum consists of chitinous cuticle?

• 5)

  The limbless amphibian is ______.

11th Standard Zoology - Tissue Level of Organisation English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The main function of the cuboidal epithelium is ______.

• 2)

  What type of fibres are found in connective tissue matrix?

• 3)

  Non-shivering thermogenesis in neonates produces heat through _______.

• 4)

  Choose the wrong statement.
  i) Squamous epithelium is made up of flattened cells.
  ii) Glandular epithelium is present in trachea.
  iii) Microvilli are modifications of columnar epithelial cells.
  iv) Collagen is a type of connective tissue.

• 5)

  Assertion (A): Smooth muscles do not show Striations.
  Reason (R): They are voluntary muscles

11th Standard Zoology - Tissue Level of Organisation English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The ciliated epithelium lines the _______.

• 2)

  Prevention of substances from leaking across the tissue is provided by ______.

• 3)

  Match the following
  A) Sjogrer's  syndrome   - (i) Joints
  B) Parkinson's  disease  - (ii) Collagen
  C) Stickler syndrome      - (iii) Saliva
  D) Rheumatoid arthritis system - (iv) Nervous

• 4)

  ____________is a epithelial tissue disorder.

• 5)

  Name the disease in which the person finds it difficult to remember recent events and has mood swings

11th Standard Zoology - Organ and Organ Systems in Animals English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  The clitellum is a distinct part in the body of earthworm Lampito mauritii, it is found in?

• 2)

  The head region of Cockroach _______ pairs of _____ and shaped eyes occur.

• 3)

  Kidney of frog is _____.

• 4)

  Choose the wrong statement among the following :

• 5)

  The number of hepatic caecae in a cockroach is __________

11th Standard Zoology - Organ and Organ Systems in Animals English Medium Free Online Test 1 Mark Questions with Answer Key 2020-2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  How many abdominal segments are present in male and female Cockroaches?

• 2)

  Buccopharyngeal respiration in frog ______.

• 3)

  Presence of gills in the tadpole of frog indicates that _______.

• 4)

  Which of the following are the sense organs of Cockroach?

• 5)

  Blood glands are seen in ______________

11th Standard Zoology - Respiration English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Intercostal muscles are found between the ______.

• 2)

  CO₂ is transported through blood to lungs as _____.

• 3)

  Vital capacity is _____.

• 4)

  Choose the wrong statement
  During inspiration:

• 5)

  Haemoglobin has a molecular weight of _____________

11th Standard Zoology - Respiration English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Breathing is controlled by _____.

• 2)

  During inspiration, the diaphragm _____.

• 3)

  When 1500 mL air is in the lungs, it is called _____.

• 4)

  After a long deep breath, we do not respire for some seconds due to ______.

• 5)

  The ______________ lack cartilaginous rings.
  (i) Trachea (ii) Bronchi (iii) Bronchioles (iv) Alveoli

11th Standard Zoology - Body Fluids and Circulation English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  What is the function of lymph?

• 2)

  Which of these functions could or could not be carried out by a red blood cell?

• 3)

  An unconscious patient is rushed into the emergency room and needs a fast blood transfusion. Because there is no time to check her medical history or determine her blood type, which type of blood should you as her doctor, give her?

• 4)

  The plasma constitutes ______________of total volume of blood

• 5)

  The ________________ secrete substances such as heparin serotonin and histamines.

11th Standard Zoology - Body Fluids and Circulation English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Which one of the following plasma proteins is involved in the coagulation of blood?

• 2)

  At the venous end of the capillary bed, the osmotic pressure is _____.

• 3)

  Choose the factor needed for clotting of blood.

• 4)

  The _______________ increase during parasitic infections and allergic reactions.

• 5)

  Megakaryocytes are the precursors of____________________

11th Standard Zoology - Digestion and Absorption English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Choose the incorrect sentence from the following:

• 2)

  Absorption of glycerol, fatty acids and monoglycerides takes place by ______.

• 3)

  Enterokinase takes part in the conversion of ______.

• 4)

  Match column I with column II and choose the correct option

  Column I	Column II
  (P) Small intestine	i) Largest factory
  (Q) Pancreas	ii) Absorption of water
  (R) Liver	iii) Carrying electrolytic solution
  (S) Colon	iv) Digestion and absorption

• 5)

  Assertion : (A) Large intestine also shows the presence of villi like small intestine.
  Reason : (B) Absorption of water takes place in large intestine.

11th Standard Zoology - Digestion and Absorption English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  What is chyme_______ ?

• 2)

  First step in digestion of fat is _______.

• 3)

  Which of the following combinations are not matched?

• 4)

  Match column I with column II and choose the correct option

  Column I	Column II
  (P) Small intestine	i) 23 cm
  (Q) Large intestine	ii) 4 meter
  (R) Oesophagus	iii) 12.5 cm
  (S) Pharynx	iv) 1.5 meter

• 5)

  Which of the following is not the function of liver?

11th Standard Zoology - Living World English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  Father of Taxonomy is_______________

• 2)

  ____________is the father of modern taxonomy and found of systematics.

• 3)

  Choose the odd one out.

• 4)

  Species Plantarum was written by______________

• 5)

  Cladistics is based on______________

11th Standard Zoology - Living World English Medium Free Online Test One Mark Questions 2020 - 2021 - by Question Bank Software - Nov 11, 2020 - View & Read

• 1)

  A living organism is differentiated from non-living structure based on _______.

• 2)

  What taxonomicaid gives comprehensive information about a taxon?

• 3)

  Cladogram considers the following characters _______.

• 4)

  The word Taxonomy was coined by _____________ .

• 5)

  Three domain classification was proposed by_______________

11th Standard Biology English Medium All Chapter Book Back and Creative Five Marks Questions 2020 - by Question Bank Software - Mar 14, 2020 - View & Read

• 1)

  Give a general account on lichens.

• 2)

  Give a concise account on asexual reproduction in bacteria.

• 3)

  Describe the process of transformation.

• 4)

  After a forest fire, when above ground plant parts are killed ferns are often one first plants to appear? Why?

• 5)

  Enumerate the general character of Bryophytes.

11th Standard Biology English Medium All Chapter Book Back and Creative Three Marks Questions 2020 - by Question Bank Software - Mar 14, 2020 - View & Read

• 1)

  Jaundice

• 2)

  Liver cirrhosis

• 3)

  Gall stone

• 4)

  Peptic ulcer

• 5)

  Carbohydrates 

11th Standard Biology English Medium All Chapter Book Back and Creative Two Marks Questions 2020 - by Question Bank Software - Mar 14, 2020 - View & Read

• 1)

  Write the distinguishing features of Monera.

• 2)

  Why do farmers plant leguminous crops in crop rotations/mixed cropping?

• 3)

  Compare the two forms of holocarpic and eucarpic thallus.

• 4)

  What is mycorrhiza?

• 5)

  Mention two characters shared by gymnosperms and angiosperms.

11th Standard Biology English Medium All Chapter Book Back and Creative One Marks Questions 2020 - by Question Bank Software - Mar 14, 2020 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Identify the correctly matched pair.

• 3)

  Which of the following are found in extreme saline conditions? 

• 4)

  Which of the following organism undergoes regeneration?

• 5)

  Which of following represents gametophytic generation in pteridophytes?

11th Biology - Full Portion Five Marks Question Paper - by 8682895000 - Jan 21, 2020 - View & Read

• 1)

  Give a general account on lichens.

• 2)

  What is the difference between a Zoo and Wild Life Sanctuary?

• 3)

  Can we use recent molecular tools to identify and classify organisms?

• 4)

  What are the components of blood in frog?

• 5)

  Write short note on Absorption and Assimalation.

11th Biology - Full Portion Three Marks Question Paper - by 8682895000 - Jan 21, 2020 - View & Read

• 1)

  Briefly discuss on five kingdom classification. Add a note on merits and demerits.

• 2)

  Differentiate between aggregate fruit with multiple fruit.

• 3)

  Write about the various types of symmetrical of body of animals with the suitable examples.

• 4)

  Name any four important functions of epithelial tissue and provide at least one example of a tissue that exemplifies each function.

• 5)

  Distinguish between Neurons and Neuroglia

11th Biology - Full Portion Two Marks Question Paper - by 8682895000 - Jan 21, 2020 - View & Read

• 1)

  Write the distinguishing features of Monera.

• 2)

  Mention two characters shared by gymnosperms and angiosperms.

• 3)

  How root climbers differ from stem climbers?

• 4)

  Find out the floral formula for a bisexual flower with bract, regular, pentamerous, distinct calyx and corolla, superior ovary without bracteole.

• 5)

  Bring out the significance of Transmission Electron Microscope.

11th Biology - Revision Model Question Paper 2 - by Question Bank Software - Jan 17, 2020 - View & Read

• 1)

  PHB means:

• 2)

  Rolling or folding of individual leaves is called_____________

• 3)

  What is the habit of Xanthorrhoea?

• 4)

  Sequences of which of the following is used to know the phylogeny.

• 5)

  A living organism is differentiated from non-living structure based on _______.

11th Biology - Public Exam Model Question Paper 2019 - 2020 - by Question Bank Software - Jan 17, 2020 - View & Read

• 1)

  Father of Indian Mycology ________.

• 2)

  Plants that grows completely under water are called as ____________type of aquatic plants.

• 3)

  What is the leaf of Zorniadiphyliain Fabaceae?

• 4)

  Keeping in view the fluid mosaic model for the structure of cell membrane which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other.

• 5)

  What taxonomicaid gives comprehensive information about a taxon?

11th Biology - Tissue Level of Organisation Model Question Paper - by Question Bank Software - Dec 12, 2019 - View & Read

• 1)

  Name the disease in which the person finds it difficult to remember recent events and has mood swings

• 2)

  The Goblet cells are modifications of________________

• 3)

  -------is closely attached to skeletal bones.

• 4)

  The cartilage cells are called _____________

• 5)

  Skin is ____________

11th Biology - Kingdom Animalia Model Question Paper - by Question Bank Software - Dec 12, 2019 - View & Read

• 1)

  _____________show anadromous migration.

• 2)

  For the first time development of four-chambered heart is seen in______________

• 3)

  Hibernation and aestivation are seen in______________

• 4)

  SACON is located in____________

• 5)

  ________ are the organs of balance in Arthropods.

11th Biology - Biomolecules Model Question Paper - by Question Bank Software - Dec 12, 2019 - View & Read

• 1)

  Sanger first sequenced the protein called ____________.

• 2)

  The activity of salivary amylase is increased in the presence _________ of ions.

• 3)

  The middle lamella is made up of ___________.

• 4)

  Find out the mismatched pairs:

• 5)

  Which are the structural units of DNA?

11th Biology - Cell Cycle Model Question Paper - by Question Bank Software - Dec 12, 2019 - View & Read

• 1)

  Polytene Chromosomes are formed by ______

• 2)

  The period between two successive cell divisions is called

• 3)

  What is synthesized during G₂ - phase?

• 4)

  The separation of two chomatids of each chromosome during early anaphase is initiated by:

• 5)

  Significance of meiosis is associated with :

11th Biology - Cell The Unit of Life Model Question Paper - by Question Bank Software - Dec 12, 2019 - View & Read

• 1)

  The term protoplasm was coined by______.

• 2)

  Choose the group that belongs to Mesokaryotes.

• 3)

  Digestion of cell organelles by the cell is called_____

• 4)

  Who proposed the cell theory_________.

• 5)

  It possess Flagella __________

11th Biology - Taxonomy and Systematic Botany Model Question Paper - by Question Bank Software - Nov 27, 2019 - View & Read

• 1)

  Phylogenetic classification is the most favoured classification because it reflects _______.

• 2)

  Flowers are zygomorphic in ______.

• 3)

  ............. is the lowest rank of classification.

• 4)

  Plantae is a ................

• 5)

  Binomial system of nomenclature was introduced by ...........

11th Biology - Reproductive Morphology Model Question Paper - by Question Bank Software - Nov 27, 2019 - View & Read

• 1)

  Gynoecium with united carpels is termed as ______.

• 2)

  A true fruit is the one where ______.

• 3)

  Cymule means __________

• 4)

  The inflorescence in Euphorbia is a ____________

• 5)

  Persistent calyx is seen in ______________

11th Biology - Vegetative Morphology Model Question Paper - by Question Bank Software - Nov 27, 2019 - View & Read

• 1)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 2)

  Bryophyllum and Dioscorea are example for ______.

• 3)

  _____ is a biennial.

• 4)

  The root in Dahlia is described as ___

• 5)

  Ternate phyllotaxy is seen in _____

11th Biology - Plant Kingdom Important Questions - by Question Bank Software - Nov 21, 2019 - View & Read

• 1)

  Which of the plant group has gametophyte as a dominant phase?

• 2)

  Which of following represents gametophytic generation in pteridophytes?

• 3)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

• 4)

  In gymnosperm endosperm is formed_______.

• 5)

  Stone wort refers to _____

11th Biology - Living World Important Questions - by Question Bank Software - Nov 21, 2019 - View & Read

• 1)

  Identify the correctly matched pair.

• 2)

  A plant growth promoter got from fungi is ___________

• 3)

  ___________ are considered as pollution indicators.

• 4)

  Sum total of constructive reactions is called as _____________

• 5)

  Increase in body mass is considered as ____________

11th Biology - Half Yearly Model Question Paper 2019 - by Question Bank Software - Nov 12, 2019 - View & Read

• 1)

  Which of following represents gametophytic generation in pteridophytes?

• 2)

  Perianth is present in_______.

• 3)

  Benda named as____________________________​​​​​​

• 4)

  ____________ is called as reduction division.

• 5)

  Which reinforces the structure of the cell membrane in animal cells?

11th Standard Biology - Zoology - Basic Medical Instruments and Techniques Model Question Paper - by Priya - Dindigul - Nov 02, 2019 - View & Read

• 1)

  Name the device used to hear the internal sounds of the human body.

• 2)

  What is the ratio of blood dilution for WBC cell counting under 10 X objective of the microscope?

• 3)

  Diluting fluid used for total WBC count is ____________

• 4)

  Normally, the heart beats ___________ times a minute when we are at rest.

• 5)

  When the heart beat is too high it is called __________

11th Standard Biology - Term II Model Question Paper - by Priya - Dindigul - Oct 30, 2019 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

• 3)

  Gynoecium with united carpels is termed as ______.

• 4)

  Sequences of which of the following is used to know the phylogeny.

• 5)

  If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as _____.

11th Standard Biology - Botany - Photosynthesis Model Question Paper - by Priya - Dindigul - Oct 19, 2019 - View & Read

• 1)

  Which chlorophyll molecule does not have a phytol tail?

• 2)

  For every CO₂ molecule entering the C₃ cycle, the number of ATP & NADPH required ________.

• 3)

  A plant growing in a tree as epiphyte accumulates malic acid in dark and cells contains large storage vacuoles. Identify the of type of pathway that takes place in this plant.

• 4)

  Energy needed for ATP synthesis in PS II comes from____________.

• 5)

  Kranz anatomy is one ofthe characteristics of the leaves of _________

11th Biology - Botany - Mineral Nutrition Model Question Paper - by Priya - Dindigul - Oct 19, 2019 - View & Read

• 1)

  Which chelating agent found in soil are produced by bacteria?

• 2)

  Leghaemoglobin is ________

• 3)

  Plants deficient of element zinc, shows its effect on the biosynthesis of plant growth hormone _________

• 4)

  Minerals that play an important role for activation of enzymes involved in respiration.

• 5)

  The macro nutrient which is an essential component of all organic compounds yet not obtained by plants from soil is _________

11th Standard Bio - Botany - Respiration Model Question Paper - by Priya - Dindigul - Oct 19, 2019 - View & Read

• 1)

  The number of ATP molecules formed by complete oxidation of one molecule of pyruvic acid is _______.

• 2)

  The compound which links glycolysis and Krebs cycle is _______.

• 3)

  In Pulses RQ will be __________

• 4)

  Succinate dehydrogenase enzyme is found in mitochondrial __________

• 5)

  The number of O₂ molecules required for breaking down of one molecule of glucose forglycolysis _________

11th Standard Bio - Botany - Plant Growth and Development Model Question Paper - by Priya - Dindigul - Oct 19, 2019 - View & Read

• 1)

  If the diameter of the pulley is 6 inches, length of pointer is 10 inches and distance travelled by pointer is 5 inches. Calculate the actual growth in length of plant.

• 2)

  Seed dormancy allows the plants to

• 3)

  Which hormone is maximum in coconut milk?

• 4)

  Testing of any chemical substance by using living system is called __________

• 5)

  Kurosawa found plants suffering from Bakanae disease. This led to discovery of ................

11th Zoology - Neural Control and Coordination Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  Sam's optometrist tells him that his intraocular pressure is high. What is this condition called and which fluid does it involve?

• 2)

  Pleasant smell of food urged Ravi to rush into the kitchen. Name the parts of the brain involved in the identification of food and emotional responses to odour.

• 3)

  At the end of repolarization, the nerve membrane gets hyperpolarized. Why?

• 4)

  Label the parts of the neuron.
  

• 5)

  The choroid plexus secretes cerebrospinal fluid. List the function of it.

11th Zoology - Chemical Coordination and Integration Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  Hormones are known as chemical messenger. Justify.

• 2)

  Comment on Acini of thyroid gland

• 3)

  Write the symptoms of cretinism

• 4)

  Growth hormone is important for normal growth. Justify the statement.

• 5)

  Pineal gland is an endocrine gland, write its role.

11th Zoology - Trends in Economic Zoology Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  Write the advantages of vermicomposting.

• 2)

  What are the main duties of a worker bee?

• 3)

  What are the Nutritive values of fishes?

• 4)

  Give the economic importance of prawn fishery

• 5)

  Give the economic importance of lac insect

11th Botany - Tissue and Tissue System Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  How are meristems classified based on position?

• 2)

  Draw a diagram of stomata and label the parts.

• 3)

  What are Casparian strips?

• 4)

  Write a few sentences about vascular bundle of a Monocot stem.

• 5)

  Differentiate the features of Monocot and Dicot leaf.

11th Botany - Secondary Growth Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  A timber merchant bought 2 logs of wood from a forest & named them A & B, The log A was 50 year old & B was 20 years old. Which log of wood will last longer for the merchant? Why?

• 2)

  A cross section of tree trunk contains 60 lighter and 60 darker rings. Determine the age of the tree and justify.

• 3)

  What is amber?

• 4)

  Write the differences between vascular cambium and cork cambium?

• 5)

  How are barks classified?

11th Standard Botany - Transport in Plants Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  Write the role of pressure potential, turgor: pressure and wall pressure for turgidity of plant: cell.

• 2)

  Explain the application of exosmosis in food preservation.

• 3)

  What are the steps involved in phloem loading?

• 4)

  What is the principle of reverse osmosis?

• 5)

  Define Osmosis

11th Botany - Mineral Nutrition Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  The nitrogen is present in the atmosphere in huge amount but higher plants fail to utilize it. Why?

• 2)

  Why is that in certain plants deficiency symptoms appear first in younger parts of the plants while in others, they do so in mature organs?

• 3)

  Explain the insectivorous mode of nutrition in angiosperms?

• 4)

  List the criteria for essential minerals.

• 5)

  Give the deficiency symptoms of copper in plants.

11th Botany - Photosynthesis Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  Grasses have an adaptive mechanism to compensate photorespiratory losses. Name and describe the mechanism.

• 2)

  What is the significance of photosynthesis?

• 3)

  Draw the structure of chloroplast and label two parts.

• 4)

  How is chlorophyll a synthesized?

• 5)

  Write a note an Xanthophylls.

11th Botany - Respiration Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  What are enzymes involved in phosphorylation and dephosphorylation reactions in EMP pathways?

• 2)

  What is the significance of RQ?

• 3)

  What is the aim of Kuhne's experiment?

• 4)

  What is salt respiration?

• 5)

  What are the industrial uses of alcoholic fermentation?

11th Botany - Plant Growth and Development Three Marks Questions - by Question Bank Software - Oct 15, 2019 - View & Read

• 1)

  What is plasticity?

• 2)

  What is sigmoid curve? Mention their phases

• 3)

  Write the internal factors for condition of growth.

• 4)

  Name the plant growth regulators?

• 5)

  Mention the agricultural role of gibberellic acids?

11th Standard Biology - Bio - Botany - Transport in Plants Model Question Paper - by Priya - Dindigul - Oct 12, 2019 - View & Read

• 1)

  In a fully turgid cell _____.

• 2)

  What type of transpiration is possible in the xerophyte Opuntia?

• 3)

  Stomata of a plant open due to _____.

• 4)

  Munch hypothesis is based on _______.

• 5)

  Which of the following physical force is responsible for ascent of sap?

11th Standard Biology - Bio - Botany - Secondary Growth Model Question Paper - by Priya - Dindigul - Oct 12, 2019 - View & Read

• 1)

  The common bottle cork is a product of______.

• 2)

  What is the fate of primary xylem in a dicot stem showing extensive secondary growth?

• 3)

  The wood formed in spring season in called ____________

• 4)

  Living part of the wood is called __________

• 5)

  Gymnosperm wood is known as _______________

11th Standard Zoology - Locomotion and Movement Three Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

• 1)

  How does an isotonic contraction take place?

• 2)

  Distinguish Red muscle fibres and white muscle fibres.

• 3)

  Name the regions of the vertebral column and the number of vertebrae present in them

• 4)

  What are the functions of the vertebral column?

• 5)

  What are Cartilaginous joints

11th Zoology - Excretion Three Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

• 1)

  Name the three filtration barriers that solutes must come across as they move from plasma to the lumen of Bowman's capsule. What components of the blood are usually excluded by these layers?

• 2)

  What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?

• 3)

  When a molecule or ion is reabsorbed from the lumen of the nephron, where does it go? If a solute is filtered and not reabsorbed from the tubule, where does it go?

• 4)

  Match each of the following substances. with its mode of transportation in proximal tubular reabsorption.

  (a) Na+	Simple diffusion
  (b) Glucose	Primary active transport
  (c) Urea	Indirect active transport
  (d) Plasma	Paracellular movement
  (e) Proteins	Facilitated diffusion
  (f) Water	Endocytosis

• 5)

  Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?

11th Zoology - Body Fluids and Circulation Three Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

• 1)

  Which of these functions could or could not be carried out by a red blood cell? Briefly justify your answer.
  a. Protein synthesis
  b. Cell division
  c. Lipid synthesis
  d. Active transport

• 2)

  Distinguish between arteries and veins.

• 3)

  Distinguish between open and closed circulation.

• 4)

  What might be the effect on a person whose diet has less iron content?

• 5)

  What is lymph? Write its function.

11th Zoology - Respiration Three Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

• 1)

  How the body make longterm adjustments when living in high altitude.

• 2)

  Why is pneumonia considered a dangerous disease?

• 3)

  Write about the occupational respiratory dis-order.

• 4)

  Draw the human respiration system and label any 4 parts.

• 5)

  Draw an oxygen dissociation curve.

11th Zoology - Digestion and Absorption Three Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

• 1)

  Bile juice contains no digestive enzymes, yet it is important for digestion. Why?

• 2)

  List the chemical changes that starch molecule undergoes from the time it reaches the small intestine.

• 3)

  How do proteins differ from fats in their energy value and their role in the body?

• 4)

  Digestive secretions are secreted only when needed Discuss.

• 5)

  Givea simple test for protein.

11th Zoology - Organ and Organ Systems in Animals Three Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

• 1)

  Write the types of respiration seen in frog.

• 2)

  Differentiate between peristomium and prostomium in earthworm.

• 3)

  Give the location of clitellum and spermathecal openings in Lampito mauritii.

• 4)

  Differentiate between tergum and a sternum.

• 5)

  Head of cockroach is called hypognathous. Why?

11th Zoology - Tissue Level of Organisation Three Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

• 1)

  Differentiate between elastic fibres and elastic connective tissue.

• 2)

  Name any four important functions of epithelial tissue and provide at least one example of a tissue that exemplifies each function.

• 3)

  Explain Gap Junctions.

• 4)

  What is tissue fluid?

• 5)

  Distinguish Bone and Cartilage.

11th Zoology - Kingdom Animalia Three Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

• 1)

  Compare Schizocoelom with enterocoelom.

• 2)

  Concept Mapping - Use the following terms to create a concept map that shows the major characteristic features of the phylum nematoda: Round worms, pseudocoelomates, digestive tract, cuticle, parasite, sexual dimorphism.

• 3)

  List the characteristic features that distinguish cartilaginous fishes with living jawless fishes.

• 4)

  What is metagenesis?

• 5)

  What are comb Jellies or sea walnuts

11th Zoology - Living World Three Marks Questions - by Question Bank Software - Oct 10, 2019 - View & Read

• 1)

  List any five salient features of the family Felidae.

• 2)

  What is systematics?

• 3)

  What is meant by Extremophiles?

• 4)

  What is the Significance of Bhupathy's purple frog?

• 5)

  Why are sparrows listed as endangered species?

11th Standard Biology - Botany - Tissue and Tissue System Model Question Paper - by Priya - Dindigul - Oct 08, 2019 - View & Read

• 1)

  In Gymnosperms, the activity of sieve cells are controlled by _____.

• 2)

  Grafting is successful in dicots but not in monocots because the dicots have _______.

• 3)

  Identify the correctly matched pair.

• 4)

  In a vertical section of a typical dicot leaf, the phloem in the mid-vein is situated

• 5)

  Ground tissue includes ___________

11th Standard Biology - Zoology - Trends in Economic Zoology Model Question Paper - by Priya - Dindigul - Oct 08, 2019 - View & Read

• 1)

  Which one of the following is not related to vermiculture?
  (a) Maintains soil fertility
  (b) Breakdown of inorganic matter
  (c) Gives porosity, aeration and moisture holding capacity
  (d) Degradation of nonbiodegradable solid waste

• 2)

  Silk is obtained from ________

• 3)

  Rearing of honey bee is called __________

• 4)

  Prawn belongs to the class ______.

• 5)

  Choose the correctly matched pair.

11th Standard Botany - Taxonomy and Systematic Botany Three Marks Questions - by Question Bank Software - Oct 04, 2019 - View & Read

• 1)

  What is the role of national gardens in conserving biodiversity - Discuss.

• 2)

  What is the need for cladistics?

• 3)

  Draw the floral diagram and write the floral formula of Clitoria ternatea

• 4)

  Draw the floral diagram and write the floral formula of Pisum sativum

• 5)

  Give the systematic position of Solanaceae.

11th Standard Botany - Biomolecules Three Marks Questions - by Question Bank Software - Oct 04, 2019 - View & Read

• 1)

  What is mRNA?

• 2)

  Differentiate Prokaryotic mRNA and Eukaryotic mRNA?

• 3)

  What is Inulin?

• 4)

  What is Agar?

• 5)

  Explain Polysaccharide with an example.

11th Standard Botany - Vegetative Morphology Three Marks Questions - by Question Bank Software - Oct 04, 2019 - View & Read

• 1)

  Differentiate Simple and Compound leaf.

• 2)

  Draw the regions of the root and label them.

• 3)

  Draw a leaf and label the parts.

• 4)

  Differentiate between reticulate venation and parallel venation

• 5)

  How is pinnately compound leaf different from a palmately compound leaf.

11th Standard Botany - Cell - The Unit of Life Three Marks Questions - by Question Bank Software - Oct 04, 2019 - View & Read

• 1)

  Distinguish between prokaryotes and eukaryotes.

• 2)

  What is Glyoxysomes?

• 3)

  Name the four sites in plant cells where ribosomes are seen.

• 4)

  List out the function of cell wall

• 5)

  What is solation and gelation?

11th Standard Botany - Plant Kingdom Three Marks Questions - by Question Bank Software - Oct 04, 2019 - View & Read

• 1)

  Do you think shape of chloroplast is unique for algae? Justify your answer.

• 2)

  List out any three Economic importance of algae.

• 3)

  Describe the Vegetable reproduction of non-vascular cryptogams.

• 4)

  What are the three types of sexual reproduction occur in algae?

• 5)

  Describe the structure of pteridophytes.

11th Standard Botany - Reproductive Morphology Three Marks Questions - by Question Bank Software - Oct 04, 2019 - View & Read

• 1)

  How are simple fruits classified?

• 2)

  Differentiate Dicot and Monocot seed.

• 3)

  Mention any three functions of seeds.

• 4)

  Write a note on Special Inflorescence.

• 5)

  write a note on Flower sex.

11th Standard Botany - Cell Cycle Three Marks Questions - by Question Bank Software - Oct 04, 2019 - View & Read

• 1)

  Differentiate between mitosis and meiosis.

• 2)

  Given an account of G₀ phase.

• 3)

  
  Which is the stage where replication takes place?

• 4)

  Tabulate the time duration in hours of the different phases of cell cycle

• 5)

  Explain G₁ phase of cell cycle.

11th Botany - Living World Three Marks Questions - by Question Bank Software - Oct 04, 2019 - View & Read

• 1)

  Briefly discuss on five kingdom classification. Add a note on merits and demerits.

• 2)

  List out the bacteria used in Dairy industry.

• 3)

  What is Fimbriae or Pili?

• 4)

  List out the Animal diseases caused by Bacteria.

• 5)

  What are Gram-Negative bacteria?

11th Standard Biology - Zoology - Chemical Coordination and Integration Model Question Paper - by Priya - Dindigul - Oct 01, 2019 - View & Read

• 1)

  The maintenance of constant internal environment is referred as ______.

• 2)

  Serum calcium level is regulated by _____.

• 3)

  Which of the following gland is related with immunity?

• 4)

  Hypersecretion of GH in children leads to _____.

• 5)

  ADH refers to_________________

11th Standard Biology - Zoology - Neural Control and Coordination Model Question Paper - by Priya - Dindigul - Oct 01, 2019 - View & Read

• 1)

  Which structure in the ear converts pressure waves to action potentials?

• 2)

  During synaptic transmission of nerve impulse, neurotransmitter (P) is released from synaptic vesicles by the action of ions (Q). Choose the correct P and Q.

• 3)

  Which part of the human brain is concerned with the regulation of body temperature?

• 4)

  The abundant intracellular cation is _____.

• 5)

  All of the following are associated with the myeline sheath except.

11th Zoology - Excretion Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  What is the nitrogenous waste produced by amphibian larvae and by the adult animal?

• 2)

  Differentiate cortical from medullary nephrons

• 3)

  What vessels carry blood to the kidneys? Is this blood arterial or venous?

• 4)

  Which vessels drain filtered blood from the kidneys?

• 5)

  Name the three main hormones that are involved in the regulation of the renal function?

Class 11th Zoology - Locomotion and Movement Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  Name the filaments present in the sarcomere.

• 2)

  Name the contractile proteins present in the skeletal muscle

• 3)

  Which is the only jointless bone in human body?

• 4)

  How is tetany caused?

• 5)

  How is rigor mortis happen?

Class 11th Zoology - Neural Control and Coordination Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  Why is the blind spot called so?

• 2)

  Why are we getting running nose while crying?

• 3)

  The action potential occurs in response to a threshold stimulus; but not at subthreshold stimuli. What is the name of the principle involved?

• 4)

  Cornea transplant in humans is almost never rejected. State the reason.

• 5)

  Name the meninges.

11th Standard - Zoology - Chemical Coordination and Integration Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  Comment on homeostasis.

• 2)

  Write the role of oestrogen in ovulation.

• 3)

  Specify the symptoms of acromegaly

• 4)

  Write the functions of (CCK) Cholecystokinin.

• 5)

  Name the anatomical layers of pituitary gland

11th Standard - Zoology - Trends in Economic Zoology Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  Name the three castes in a honey bee colony

• 2)

  Name the following.
  i. The largest bee in the colony.
  ii. The kind of flight which the new virgin queen takes along with the drones out of the hive.

• 3)

  Name any two trees on which lac insects grows.

• 4)

  Mention the advantages of MOET.

• 5)

  Write the peculiar characters of duck.

11th Standard Botany - Tissue and Tissue System Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  Why the cells of sclerenchyma and tracheids become dead?

• 2)

  Give examples of fruits which have sclereids

• 3)

  What is special about Gnetum.

• 4)

  What are albuminous cells?

• 5)

  Explain Bast fibres?

11th Standard Botany - Secondary Growth Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  In a forest, if the bark of a tree is damaged by the horn of a deer, How will the plant overcome the damage?

• 2)

  In which season the vessels of angiosperms are larger in size, why?

• 3)

  Central part of the wood is always dark. Why?

• 4)

  Differentiate Porous or Hard wood and Non porous or Soft wood ?

• 5)

  What are pseudo or false annual rings?

Class 11th Botany - Transport in Plants Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  If the concentration of salt in the soil is too high and the plants may wilt even if the field is thoroughly irrigated. Explain

• 2)

  How phosphorylase enzyme open the stomata in starch sugar interconversion theory?

• 3)

  List out the non-photosynthetic parts of a plant that need a supply of sucrose?

• 4)

  Differentiate channel protein and carrier protein.

• 5)

  What is facilitated diffusion?

11th Standard Botany - Mineral Nutrition Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  Plant A in a nutrient medium shows whiptail disease. Plant B in a nutrient medium shows a little leaf disease. Identify mineral deficiency of plant A and B?

• 2)

  Write the role of nitrogenase enzyme in nitrogen fixation? 

• 3)

  Can the deficiency diseases be transmitted from one plant to another?

• 4)

  A farmer adds Azotobacter culture to the soil before sowing maize. How does it increase the yield of maize?

• 5)

  Give examples of Actively mobile minerals

11th Standard Botany - Photosynthesis Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  Two groups (A & B) of bean plants of similar size and same leaf area were placed in identical conditions. Group A was exposed to light of wavelength 400-450nm & Group B to light of wavelength of 500-550nm. Compare the photosynthetic rate of the 2 groups giving reasons.

• 2)

  A tree is believed to be releasing oxygen during night time. Do you believe the truthfulness of this statement? Justify your answer by giving reasons?

• 3)

  When there is plenty of light and higher concentration of O₂, what kind of pathway does the plant undergo? Analyse the reasons.

• 4)

  What is non-oxygenic photosynthesis?

• 5)

  What are Quantasomes?

11th Botany - Respiration Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  Respiratory quotient is zero in succulent plants. Why?

• 2)

  Which pathway of respiration is common in all living organisms? Where does it occur inside the cell and what are the products?

• 3)

  Explain the RQ of respiratory substrates in case of anaerobic respiration.

• 4)

  We find it difficult to breathe at night under a tree? Why?

• 5)

  How did Blackman classify respiration?

11th Botany - Plant Growth and Development Two Marks Questions - by Question Bank Software - Sep 28, 2019 - View & Read

• 1)

  What are the parameters used to measure growth of plants?

• 2)

  Mention the phases of growth in plants?

• 3)

  Name any two synthetic auxins?

• 4)

  How does ABA show Antagonistic effect?

• 5)

  What is a florigen?

11th Zoology - Body Fluids and Circulation Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

• 1)

  Distinguish between mitral valve and semi lunar valve.

• 2)

  Right ventricular wall is thinner than the left ventricular wall. Why?

• 3)

  Name the different types of extracellular fluids in our body.

• 4)

  Name the two opposing pressures which helps in formation of tissue fluid.

• 5)

  Name the two sources of blood supply to the liver.

11th Zoology - Respiration Two Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

• 1)

  Name the respiratory organs of flatworm, earthworm, fish, prawn, cockroach and cat.

• 2)

  Name the enzyme that catalyses the bicarbonate formation in RBCs.

• 3)

  Air moving from the nose to the trachea passes through a number of structures. List in order of the structures.

• 4)

  Which structure seals the larynx when we swallow?

• 5)

  Resistance in the airways is typically low. Why? Give two reasons.

11th Zoology - Digestion and Absorption Three Marks Questions - by Question Bank Software - Sep 27, 2019 - View & Read

• 1)

  Why are villi present in the intestine and not in the stomach?

• 2)

  What is epiglottis?

• 3)

  What does GERD stand for? What is it commonly known as?

• 4)

  What is succus entericus?

• 5)

  Name the salivary glands.

11th Zoology - Organ and Organ Systems in Animals Two Marks Questions - by Question Bank Software - Sep 26, 2019 - View & Read

• 1)

  What are earthworm casts?

• 2)

  Why do you call cockroach a pest?

• 3)

  Name the visual units of the compound eyes of cockroach.

• 4)

  What is the significance of prostate glands in earthworm?

• 5)

  What is direct development?

11th Zoology - Tissue Level of Organisation Two Marks Questions - by Question Bank Software - Sep 26, 2019 - View & Read

• 1)

  Some epithelia are pseudostratified. What does this mean?

• 2)

  Differentiate white adipose tissue from brown adipose tissue.

• 3)

  Why blood is considered as a typical connective tissue?

• 4)

  Name two auto immune connective tissue disorders.

• 5)

  How are muscles classified?

11th Standard Biology - Bio - Zoology - Locomotion and Movement Model Question Paper - by Priya - Dindigul - Sep 26, 2019 - View & Read

• 1)

  Muscles are derived from _____.

• 2)

  The pigment present in the muscle fibre to store oxygen is _____.

• 3)

  The region between two successive Z-discs is called a ______.

• 4)

  Inflammation of joints due to accumulation of uric acid crystals is called as _____.

• 5)

  The pointed portion of the elbow is ______.

11th Zoology - Kingdom Animalia Two Marks Questions - by Question Bank Software - Sep 26, 2019 - View & Read

• 1)

  What are the four characteristics common to most animals?

• 2)

  Compare closed and open circulatory system.

• 3)

  Choose the term that does not belong in the following group and explain why it does not belong? Notochord, cephalisation, dorsal nerve cord and radial symmetry.

• 4)

  What are flame cells?

• 5)

  What is Pseudocoel?

11th Zoology - Living World Two Marks Questions - by Question Bank Software - Sep 26, 2019 - View & Read

• 1)

  Differentiate between probiotics and pathogenic bacteria.

• 2)

  Why mule is sterile in nature?

• 3)

  What is biodiversity?

• 4)

  Define Taxonomy.

• 5)

  How did Aristotle classify animals?

11th Biology - Bio - Zoology - Excretion Model Question Paper - by Priya - Dindigul - Sep 26, 2019 - View & Read

• 1)

  Concentration of urine depends upon which part of the nephron ______.

• 2)

  The end product of Ornithine cycle is _____.

• 3)

  Podocytes are the cells present on the ______.

• 4)

  Kidney stones are produced due to deposition of uric acid and ______.

• 5)

  Malpighian tubules remove excretory products from _____.

11th Botany - Biomolecules Two Marks Questions - by Question Bank Software - Sep 26, 2019 - View & Read

• 1)

  Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown & one blank component " X" in it.
  

  Category	Compound
  Cholesterol	Guanine
  Amino acid	NH2
  Nucleotide	Adenine
  Nucleoside	Uracil

• 2)

  Distinguish between nitrogenous base and a base found in inorganic chemistry.

• 3)

  What is a prosthetic group?

• 4)

  What is meant by activation energy?

• 5)

  Distinguish between Reducing sugars and Nonreducing sugars.

11th Botany - Cell Cycle Two Marks Questions - by Question Bank Software - Sep 26, 2019 - View & Read

• 1)

  Write any three significance of mitosis.

• 2)

  Who coined the word "Cell" and "protoplasm"?

• 3)

  Mentions any two roles of nucleus.

• 4)

  Define the term haploid.

• 5)

  Define the term Cytokinesis

11th Standard Botany - Cell - The Unit of Life Two Marks Questions - by Question Bank Software - Sep 21, 2019 - View & Read

• 1)

  Bring out the significance of Transmission Electron Microscope.

• 2)

  State the protoplasm theory.

• 3)

  What is a Telomere?

• 4)

  What is Holocentric Chromosomes?

• 5)

  What are nucleolar organisers?

11th Botany - Taxonomy and Systematic Botany Two Marks Questions - by Question Bank Software - Sep 21, 2019 - View & Read

• 1)

  Where will you place the plants which contains two cotyledons with cup shaped thalamus?

• 2)

  Define Taxonomy.

• 3)

  What is ICBN?

• 4)

  What is the other name for serotaxonomy?

• 5)

  Name the different molecular markers used in Molecular taxonomy.

11th Biology - Term 1 Model Question Paper - by Priya - Dindigul - Sep 21, 2019 - View & Read

• 1)

  Which of following represents gametophytic generation in pteridophytes?

• 2)

  Example for negatively geotropic roots __________

• 3)

  Gynoecium with united carpels is termed as ______.

• 4)

  Flowers are zygomorphic in ______.

• 5)

  The correct sequence in cell cycle is ______.

11th Botany - Reproductive Morphology Two Marks Question - by Question Bank Software - Sep 19, 2019 - View & Read

• 1)

  Find out the floral formula for a bisexual flower with bract, regular, pentamerous, distinct calyx and corolla, superior ovary without bracteole.

• 2)

  Give the technical terms for the following.
  (a) A sterile stamen
  (b) Stamens are united in one bunch
  (c) Stamens are attached to the petals

• 3)

  What is Coenanthium?

• 4)

  What is dehiscence?

• 5)

  What is a bisexual flower?

11th Standard Botany - Vegetative Morphology Two Marks Question - by Question Bank Software - Sep 19, 2019 - View & Read

• 1)

  How root climbers differ from stem climbers?

• 2)

  Compare sympodial branching with monopodial branching.

• 3)

  What is primary root?

• 4)

  Define Root cap.

• 5)

  Name the various regions of the root.

11th Standard Botany - Plant Kingdom Two Marks Question - by Question Bank Software - Sep 19, 2019 - View & Read

• 1)

  What is plectostele? Give example.

• 2)

  What do you infer from the term pycnoxylic?

• 3)

  Mention two characters shared by gymnosperms and angiosperms.

• 4)

  Name the methods of asexual reproduction seen in algae.

• 5)

  Name a foliaceous alga and colonial non motile alga.

11th Standard Botany - Living World Two Marks Question - by Question Bank Software - Sep 19, 2019 - View & Read

• 1)

  Differentiate Homoiomerous and Heteromerous lichens.

• 2)

  Write the distinguishing features of Monera.

• 3)

  Why do farmers plant leguminous crops in crop rotations/mixed cropping?

• 4)

  What is Homeostasis?

• 5)

  How was the word virus derived?

11th Biology - Term 1 Five Mark Model Question Paper - by Question Bank Software - Sep 16, 2019 - View & Read

• 1)

  Give a general account on lichens.

• 2)

  Explain the different types of fleshy fruit with suitable example.

• 3)

  Difference between plant cell and animal cell.

• 4)

  Write about Pachytene and Diplotene of Prophase I.

• 5)

  Write the characteristic features of DNA.

11th Biology Quarterly Model Question Paper - by Question Bank Software - Sep 13, 2019 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Identify the incorrect statement about the Gram positive bacteria.

• 3)

  ___________ are considered as pollution indicators.

• 4)

  A multicellular organism grows by ____________

• 5)

  ______________ is a basic unit of life.

11th Standard Botany - Plant Growth and Development Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  Select the wrong statement from the following:

• 2)

  If the diameter of the pulley is 6 inches, length of pointer is 10 inches and distance travelled by pointer is 5 inches. Calculate the actual growth in length of plant.

• 3)

  ________ is the powerful growth inhibitor

• 4)

  Select the correctly matched one

  A) Human urine	i) Auxin –B
  B) Corn gram oil	ii) GA3
  C) Fungus	iii) Abscisic acid II
  D) Herring fish sperm	iv) Kinitin
  E) Unripe maize grains	v) Auxin A
  F) Young cotton bolls	vi) Zeatin

• 5)

  Seed dormancy allows the plants to

11th Botany - Respiration Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  Respiratory quotient is zero in succulent plants. Why?

• 2)

  What are enzymes involved in phosphorylation and dephosphorylation reactions in EMP pathways?

• 3)

  Explain the reactions taking place in mitochondrial inner membrane.

• 4)

  How will you calculate net products of one sucrose molecule upon complete oxidation during aerobic respiration as per recent view?

11th Botany - Photosynthesis Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  Assertion (A): Increase in proton gradient inside lumen responsible for ATP synthesis
  Reason (R): Oxygen evolving complex of PS I located on thylakoid membrane facing Stroma, releases H⁺ ions

• 2)

  The correct sequence of flow of electrons in the light reaction is _______.

• 3)

  Identify true statement regarding light reaction of photosynthesis.

• 4)

  Two groups (A & B) of bean plants of similar size and same leaf area were placed in identical conditions. Group A was exposed to light of wavelength 400-450nm & Group B to light of wavelength of 500-550nm. Compare the photosynthetic rate of the 2 groups giving reasons.

• 5)

  When there is plenty of light and higher concentration of O₂, what kind of pathway does the plant undergo? Analyse the reasons.

11th Botany - Mineral Nutrition Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  The element which is not remobilized?

• 2)

  Identify the correct statement
  i. Sulphur is essential for amino acids Cystine and Methionine
  ii. Low level of N, K, S and Mo affect the cell division
  iii. Non-leguminous plant Alnus which contain bacterium Frankia
  iv. Denitrification carried out by nitrosomonas and nitrobacter.

• 3)

  Write the role of nitrogenase enzyme in nitrogen fixation? 

• 4)

  The nitrogen is present in the atmosphere in huge amount but higher plants fail to utilize it. Why?

• 5)

  Explain the insectivorous mode of nutrition in angiosperms?

11th Botany - Transport in Plants Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  Munch hypothesis is based on _______.

• 2)

  How phosphorylase enzyme open the stomata in starch sugar interconversion theory?

• 3)

  List out the non-photosynthetic parts of a plant that need a supply of sucrose?

• 4)

  What are the parameters which control water potential?

• 5)

  An artificial cell made of selectively permeable membrane immersed in a beaker (in the figure). Read the values and answer the following questions?
  
  a. Draw an arrow to indicate the direction of water movement
  b. Is the solution outside the cell isotonic, hypotonic or hypertonic?
  c. Is the cell isotonic, hypotonic or hypertonic?
  d. Will the cell become more flaccid, more turgid or stay in original size?
  e. With reference to artificial cell state, the process is endosmosis or exosmosis? Give reasons.

11th Botany - Secondary Growth Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  Usually, the monocotyledons do not increase their girth, because ____.

• 2)

  The common bottle cork is a product of______.

• 3)

  What is the fate of primary xylem in a dicot stem showing extensive secondary growth?

• 4)

  In which season the vessels of angiosperms are larger in size, why?

• 5)

  A transverse section of the trunk of a tree shows concentric rings which are known as growth rings. How are these rings formed? What are the significance of these rings?

11th Standard Botany - Tissue and Tissue System Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  In Gymnosperms, the activity of sieve cells are controlled by _____.

• 2)

  When a leaf trace extends from a vascular bundle in a dicot stem, what would be the arrangement of vascular tissues in the veins of the leaf?

• 3)

  Grafting is successful in dicots but not in monocots because the dicots have _______.

• 4)

  Why the cells of sclerenchyma and tracheids become dead?

• 5)

  What are Sieve tubes ? Explain.

11th Standard Zoology - Trends in Economic Zoology Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  Silk is obtained from ________

• 2)

  Rearing of honey bee is called __________

• 3)

  Prawn belongs to the class ______.

• 4)

  Inland fisheries are _____.

• 5)

  Choose the correctly matched pair.

11th Standard Zoology - Chemical Coordination and Integration Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  The maintenance of constant internal environment is referred as ______.

• 2)

  Which of the following gland is related with immunity?

• 3)

  Hypersecretion of GH in children leads to _____.

• 4)

  Which one of the following statement is correct

• 5)

  Comment on homeostasis.

11th Standard Zoology - Neural Control and Coordination Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  Which structure in the ear converts pressure waves to action potentials?

• 2)

  During synaptic transmission of nerve impulse, neurotransmitter (P) is released from synaptic vesicles by the action of ions (Q). Choose the correct P and Q.

• 3)

  Assertion(A): The imbalance in concentration of Na⁺, K⁺ and proteins generates action potential.
  Reason(R): To maintain the unequal distribution of Na⁺ and K⁺, the neurons use electrical energy.

• 4)

  Which of the following statement concerning the somatic division of the peripheral neural system is incorrect?

• 5)

  Why is the blind spot called so?

11th Zoology - Locomotion and Movement Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  Muscles are derived from _____.

• 2)

  The pigment present in the muscle fibre to store oxygen is _____.

• 3)

  The protein present in the thick filament is _____.

• 4)

  ATPase enzyme needed for muscle contraction is located in ______.

• 5)

  The pointed portion of the elbow is ______.

11th Standard Zoology - Excretion Book Back Questions - by Question Bank Software - Sep 12, 2019 - View & Read

• 1)

  Concentration of urine depends upon which part of the nephron ______.

• 2)

  The end product of Ornithine cycle is _____.

• 3)

  Kidney stones are produced due to deposition of uric acid and ______.

• 4)

  Malpighian tubules remove excretory products from _____.

• 5)

  Differentiate cortical from medullary nephrons

TN 11th Standard Biology Official Model Question Paper 2019 - 2020 - by Question Bank Software - Sep 10, 2019 - View & Read

11th Standard Zoology - Body Fluids and Circulation Book Back Questions - by Question Bank Software - Sep 09, 2019 - View & Read

• 1)

  What is the function of lymph?

• 2)

  Which one of the following plasma proteins is involved in the coagulation of blood?

• 3)

  Which of these functions could or could not be carried out by a red blood cell?

• 4)

  Blood group is due to the presence or absence of surface _______.

• 5)

  A person having both antigen A and antigen B on the surface of RBCs belongs to blood group _____.

11th Standard Zoology - Respiration Book Back Questions - by Question Bank Software - Sep 09, 2019 - View & Read

• 1)

  Breathing is controlled by _____.

• 2)

  The respiratory structures of insects are _____.

• 3)

  The Oxygen Dissociation Curve is ______.

• 4)

  During inspiration, the diaphragm _____.

• 5)

  CO₂ is transported through blood to lungs as _____.

11th Standard Zoology - Digestion and Absorption Book Back Questions - by Question Bank Software - Sep 09, 2019 - View & Read

• 1)

  Choose the incorrect sentence from the following:

• 2)

  What is chyme_______ ?

• 3)

  Which of the following hormones stimulate the production of pancreatic juice and bicarbonate?

• 4)

  Which one is incorrectly matched?

• 5)

  Absorption of glycerol, fatty acids and monoglycerides takes place by ______.

11th Standard Zoology - Organ and Organ Systems in Animals Book Back Questions - by Question Bank Software - Sep 09, 2019 - View & Read

• 1)

  The clitellum is a distinct part in the body of earthworm Lampito mauritii, it is found in?

• 2)

  The type of vision in Cockroach is ______.

• 3)

  Buccopharyngeal respiration in frog ______.

• 4)

  Choose the wrong statement among the following :

• 5)

  Which of the following are the sense organs of Cockroach?

11th Standard Botany - Biomolecules Book Back Questions - by Question Bank Software - Sep 09, 2019 - View & Read

• 1)

  The most basic amino acid is

• 2)

  An example of feedback inhibition is

• 3)

  Enzymes that catalyse interconversion of optical, geometrical or positional isomers are ______________

• 4)

  Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge:

• 5)

  Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown & one blank component " X" in it.
  

  Category	Compound
  Cholesterol	Guanine
  Amino acid	NH2
  Nucleotide	Adenine
  Nucleoside	Uracil

11th Botany - Taxonomy and Systematic Botany Book Back Questions - by Question Bank Software - Sep 06, 2019 - View & Read

• 1)

  Specimen derived from non-original collection serves as the nomenclature type, when original specimen is missing. It is known as ________ .

• 2)

  Phylogenetic classification is the most favoured classification because it reflects _______.

• 3)

  The taxonomy which involves the similarities & dissimilarities among the immune system of different taxa is termed as ______.

• 4)

  Perianth is present in_______.

• 5)

  Flowers are zygomorphic in ______.

11th Standard Botany - Cell - The Unit of Life Book Back Questions - by Question Bank Software - Sep 06, 2019 - View & Read

• 1)

  The two subunits of ribosomes remain united at critical ion level of _______.

• 2)

  Sequences of which of the following is used to know the phylogeny.

• 3)

  Many cells function properly and divide mitotically even though they do not have.

• 4)

  Keeping in view the fluid mosaic model for the structure of cell membrane which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other.

• 5)

  Match the columns and identify the correct option:

  	Column I		Column II
  A	Thylakoids	1.	Disc-shaped sacs in Golgi apparatus
  B.	Cristae	2.	Condensed structure of DNA
  C.	Cisternae	3.	Flat membranous sacs in stroma
  D	Chromatin	4.	Infoldings in mitochondria

11th Standard Botany - Cell Cycle Book Back Questions - by Question Bank Software - Sep 06, 2019 - View & Read

• 1)

  The correct sequence in cell cycle is ______.

• 2)

  If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as _____.

• 3)

  Anaphase promoting complex APC is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in human cell, which of the following is expected to occur?

• 4)

  In S phase of the cell cycle ______.

• 5)

  Centromere is required for ______.

11th Standard Botany - Reproductive Morphology Book Back Questions - by Question Bank Software - Sep 04, 2019 - View & Read

• 1)

  Vexillary aestivation is characteristic of the family _____.

• 2)

  Gynoecium with united carpels is termed as ______.

• 3)

  Aggregate fruit develops from _____.

• 4)

  In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be ______.

• 5)

  A true fruit is the one where ______.

11th Standard Zoology - Tissue Level of Organisation Book Back Questions - by Question Bank Software - Sep 04, 2019 - View & Read

• 1)

  The main function of the cuboidal epithelium is ______.

• 2)

  The ciliated epithelium lines the _______.

• 3)

  What type of fibres are found in connective tissue matrix?

• 4)

  Prevention of substances from leaking across the tissue is provided by ______.

• 5)

  Non-shivering thermogenesis in neonates produces heat through _______.

11th Standard Botany - Vegetative Morphology Book Back Questions - by Question Bank Software - Sep 03, 2019 - View & Read

• 1)

  Roots are ______.

• 2)

  When the root is thick and fleshy, but does not taken a definite shape, it said to be _________

• 3)

  Example for negatively geotropic roots __________

• 4)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 5)

  Bryophyllum and Dioscorea are example for ______.

11th Standard Zoology - Kingdom Animalia Book Back Questions - by Question Bank Software - Sep 02, 2019 - View & Read

• 1)

  The symmetry exhibited in cnidarians is ______.

• 2)

  The excretory cells that are found in platyhelminthes are _____.

• 3)

  Metameric segmentation is the main feature of ______.

• 4)

  In Pheretima locomotion occurs with help of ______.

• 5)

  Which of the following have the highest number of species in nature?

11th Standard Botany - Plant Kingdom Book Back Questions - by Question Bank Software - Sep 02, 2019 - View & Read

• 1)

  Which of the plant group has gametophyte as a dominant phase?

• 2)

  Which of following represents gametophytic generation in pteridophytes?

• 3)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

• 4)

  In gymnosperm endosperm is formed_______.

• 5)

  Differentiate haplontic and diplontic life cycle.

11th Standard Zoology - Living World Book Back Questions - by Question Bank Software - Aug 31, 2019 - View & Read

• 1)

  A living organism is differentiated from non-living structure based on _______.

• 2)

  A group of organisms having similar traits of a rank is _______.

• 3)

  Every unit of classification regardless of its rank is _____.

• 4)

  Which of the following is not present in same rank?

• 5)

  What taxonomicaid gives comprehensive information about a taxon?

11th Standard Botany - Living World Book Back Questions - by Question Bank Software - Aug 30, 2019 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Identify the incorrect statement about the Gram positive bacteria.

• 3)

  Identify the Archaebacterium.

• 4)

  The correct statement regarding Blue green algae is ______.

• 5)

  Identify the correctly matched pair.

11th Standard Zoology - Kingdom Animalia One Mark Question with Answer Key - by Question Bank Software - Aug 29, 2019 - View & Read

• 1)

  The symmetry exhibited in cnidarians is ______.

• 2)

  Sea anemone belongs to phylum ________.

• 3)

  The excretory cells that are found in platyhelminthes are _____.

• 4)

  Parenchymula is the larval stage of Phylum _______________

• 5)

  Identify the feature that is unique to planaria

11th Standard Zoology - Living World One Mark Question and Answer - by Question Bank Software - Aug 29, 2019 - View & Read

• 1)

  A living organism is differentiated from non-living structure based on _______.

• 2)

  A group of organisms having similar traits of a rank is _______.

• 3)

  Every unit of classification regardless of its rank is _____.

• 4)

  Choose the odd one out.

• 5)

  Book written by Darwin_____________

11th Standard Botany - Cell Cycle One Mark Question and Answer - by Question Bank Software - Aug 28, 2019 - View & Read

• 1)

  The correct sequence in cell cycle is ______.

• 2)

  If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as _____.

• 3)

  Synapsis occur between ______.

• 4)

  In meiosis crossing over is initiated at ______.

• 5)

  Colchicine prevents the mitosis of the cells at which of the following stage ______.

11th Botany - Cell - The Unit of Life One Mark Questions with Answer Key - by Question Bank Software - Aug 27, 2019 - View & Read

• 1)

  The two subunits of ribosomes remain united at critical ion level of _______.

• 2)

  Sequences of which of the following is used to know the phylogeny.

• 3)

  Keeping in view the fluid mosaic model for the structure of cell membrane which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other.

• 4)

  The term animalcules was used by______.

• 5)

  A patch stop carrier is a part of_______

11th Botany - Taxonomy and Systematic Botany One Mark Question with Answer - by Question Bank Software - Aug 27, 2019 - View & Read

• 1)

  Specimen derived from non-original collection serves as the nomenclature type, when original specimen is missing. It is known as ________ .

• 2)

  Phylogenetic classification is the most favoured classification because it reflects _______.

• 3)

  Perianth is present in_______.

• 4)

  Flowers are zygomorphic in ______.

• 5)

  ...................... was the first to use the term 'Systematics'.

11th Standard Botany - Reproductive Morphology One Mark Question and Answer - by Question Bank Software - Aug 27, 2019 - View & Read

• 1)

  Vexillary aestivation is characteristic of the family _____.

• 2)

  A true fruit is the one where ______.

• 3)

  Specialised inflorescence is seen in __________

• 4)

  Cymule means __________

• 5)

  _______ is called 'Raceme of cymes.'

11th Botany - Vegetative Morphology One Mark Question with Answer - by Question Bank Software - Aug 26, 2019 - View & Read

• 1)

  Roots are ______.

• 2)

  Example for negatively geotropic roots __________

• 3)

  Bryophyllum and Dioscorea are example for ______.

• 4)

  The growing tip of the root _____.

• 5)

  _____ is a biennial.

11th Botany - Plant Kingdom One Mark Question Paper - by Question Bank Software - Aug 24, 2019 - View & Read

• 1)

  Which of the plant group has gametophyte as a dominant phase?

• 2)

  Which of following represents gametophytic generation in pteridophytes?

• 3)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

• 4)

  In gymnosperm endosperm is formed_______.

• 5)

  __ is a alga found on shell of molluscs.

11th Botany - Living World One Mark Question Paper - by Question Bank Software - Aug 23, 2019 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Identify the Archaebacterium.

• 3)

  Identify the correctly matched pair.

• 4)

  Basidiomycetes do not possess this feature.

• 5)

  A plant growth promoter got from fungi is ___________

11th Zoology - Living World Model Question Paper - by Question Bank Software - Aug 20, 2019 - View & Read

• 1)

  A living organism is differentiated from non-living structure based on _______.

• 2)

  Cladogram considers the following characters _______.

• 3)

  Three domain classification was proposed by_______________

• 4)

  Choose the odd one out.

• 5)

  Book written by Darwin_____________

11th Botany - Cell - The Unit of Life Model Question Paper - by Question Bank Software - Aug 19, 2019 - View & Read

• 1)

  The two subunits of ribosomes remain united at critical ion level of _______.

• 2)

  Keeping in view the fluid mosaic model for the structure of cell membrane which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other.

• 3)

  _________ provides 3 dimensional images of surface of microscopic objects.

• 4)

  The term protoplasm was coined by______.

• 5)

  Janus Green is used to stain____

11th Botany - Taxonomy and Systematic Botany Model Question Paper - by Question Bank Software - Aug 12, 2019 - View & Read

• 1)

  Specimen derived from non-original collection serves as the nomenclature type, when original specimen is missing. It is known as ________ .

• 2)

  The taxonomy which involves the similarities & dissimilarities among the immune system of different taxa is termed as ______.

• 3)

  Flowers are zygomorphic in ______.

• 4)

  ...................... was the first to use the term 'Systematics'.

• 5)

  19^th International Botanical Congress was held in .............

11th Standard Biology First Mid Term Model Question Paper - by Question Bank Software - Aug 01, 2019 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  ______________ is a thermophilic gram negative bacteria.

• 3)

  Life on earth exists within a complex structure called_________.

• 4)

  Five kingdom system of classification suggested by R.H. Whittaker is not based on

• 5)

  Actinomycetes comes under _________ kindgom.

11th Standard Botany - Reproductive Morphology Model Question Paper - by Question Bank Software - Jul 31, 2019 - View & Read

• 1)

  Vexillary aestivation is characteristic of the family _____.

• 2)

  Aggregate fruit develops from _____.

• 3)

  A true fruit is the one where ______.

• 4)

  Specialised inflorescence is seen in __________

• 5)

  Cymule means __________

11th Standard Botany - Vegetative Morphology Important Question Paper - by Question Bank Software - Jul 26, 2019 - View & Read

• 1)

  Roots are ______.

• 2)

  Bryophyllum and Dioscorea are example for ______.

• 3)

  _____ is a biennial.

• 4)

  _____ is an example for Lianas.

• 5)

  Ternate phyllotaxy is seen in _____

+1 Standard Botany Plant Kingdom Important Question Paper - by Question Bank Software - Jul 24, 2019 - View & Read

• 1)

  Which of the plant group has gametophyte as a dominant phase?

• 2)

  Which of following represents gametophytic generation in pteridophytes?

• 3)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

• 4)

  __ is a alga found on shell of molluscs.

• 5)

  ______is a halophytic alga.

11th Biology - Unit 1 - Living World Important Question - by Question Bank Software - Jul 18, 2019 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Identify the incorrect statement about the Gram positive bacteria.

• 3)

  Basidiomycetes do not possess this feature.

• 4)

  A plant growth promoter got from fungi is ___________

• 5)

  Monotropa derives nutrition by ___________

11th Standard Biology Public Exam March 2019 Important Creative 3 Mark Questions and Answers - by Gowtham - Mar 15, 2019 - View & Read

• 1)

  Mention the potential applications of fungi in agriculture.

• 2)

  What are the three main symmetry of viruses?

• 3)

  What is Viroid?

• 4)

  Draw a T₄ bacteriophage and label the parts.

• 5)

  Mention the economic importance of lichens.

11th Standard Biology Public Exam March 2019 Important Creative One Mark Test 1 - by Gowtham - Mar 15, 2019 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  The correct statement regarding Blue green algae is ______.

• 3)

  The base plate of T₄ phage has ______________ tail fibres.

• 4)

  Study of fungus is called as __________ .

• 5)

  Which of the plant group has gametophyte as a dominant phase?

Plus One Biology Public Exam March 2019 One Mark Question Paper - by Gowtham - Mar 12, 2019 - View & Read

• 1)

  Identify the incorrect statement about the Gram positive bacteria.

• 2)

  Identify the Archaebacterium.

• 3)

  Lichen which grown on rock is ________.

• 4)

  Mycobacterium is a ___________ .

• 5)

  Which of the plant group has gametophyte as a dominant phase?

11th Standard Biology Public Exam March 2019 Important One Mark Questions - by Gowtham - Mar 12, 2019 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  The correct statement regarding Blue green algae is ______.

• 3)

  Mycoplasma is very small and its ranges from __________.

• 4)

  Lichen which grow on wood is called _________.

• 5)

  Which of following represents gametophytic generation in pteridophytes?

11th Standard Biology Public Exam March 2019 Important Creative Questions and Answers - by Gowtham - Mar 12, 2019 - View & Read

• 1)

  Differentiate Homoiomerous and Heteromerous lichens.

• 2)

  Write the distinguishing features of Monera.

• 3)

  What is Homeostasis?

• 4)

  What are coprophilic Fungi?

• 5)

  Define Anabolism.

11th Standard Biology Public Exam March 2019 Important 5 Marks Questions - by Gowtham - Mar 12, 2019 - View & Read

• 1)

  Give a general account on lichens.

• 2)

  Describe the structure of Tobacco Mosaic Virus.

• 3)

  What are Mycorrhizae? Explain the types.

• 4)

  Describe the structure of Gram positive and Gram negative bacterial cell wall using diagram.

• 5)

  List out the Economic importance of Gymnosperms.

Plus One Biology Public Exam March Model Question Paper and Answers 2019 - by Gowtham - Mar 04, 2019 - View & Read

• 1)

  The genome of viroid is ______ .

• 2)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 3)

  Imperfect flowers will have __________ essential whorl(s).

• 4)

  The term_____________________was introduced by Waldeyerin 1888.

• 5)

  A living organism is differentiated from non-living structure based on _______.

11th Standard Biology Public Exam Official Question Paper 2019 - by Gowtham - Mar 04, 2019 - View & Read

• 1)

  Vaccination for small pox was discovered by ________________

• 2)

  Example for negatively geotropic roots __________

• 3)

  Single seeded dry fruit developing from single carpel with superior ovary ______________.

• 4)

  ______________________images of structures observed through microscopes can be further magnified.

• 5)

  Cladogram considers the following characters _______.

11th Standard Biology Plant Kingdom Important Questions - by Gowtham - Mar 04, 2019 - View & Read

• 1)

  Which of following represents gametophytic generation in pteridophytes?

• 2)

  In gymnosperm endosperm is formed_______.

• 3)

  Scalariform conjugation is seen in ________

• 4)

  _________is a green alga employed in Biofuel production.

• 5)

  Which one of the following is belongs to the members of phaeophyceae? (or) The members of phaeophyceae are commonly called ____

11th Standard Biology Third Revision Test Question Paper 2019 - by Gowtham - Feb 26, 2019 - View & Read

• 1)

  How many organisms in the list below are autotrophs?
  1. Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces,
  2. Trypanosoma, Porphyra, Wolffia.

• 2)

  Example for negatively geotropic roots __________

• 3)

  Arrangement of sepals and petals in flower bud is called ________.

• 4)

  Lysosomes release their enzymes outer side the cell to digest other cells _________________

• 5)

  Who coined the term biodiversity?

11th Standard Biology Public Model Exam 2019 - by Gowtham - Feb 18, 2019 - View & Read

• 1)

  The T4 Phage is ________ shaped,

• 2)

  Bryophyllum and Dioscorea are example for ______.

• 3)

  Inflorescence developed directly from a woody trunk_____________.

• 4)

  Phase plate is a circular component with circular annular etching in___________________________

• 5)

  Cladogram considers the following characters _______.

11th Standard Biology Second Revision Test 2019 - by Gowtham - Feb 18, 2019 - View & Read

• 1)

  The term "Bacteriophage" is coined by ____________.

• 2)

  When the root is thick and fleshy, but does not taken a definite shape, it said to be _________

• 3)

  Fused tepaIs are called ______________.

• 4)

  Which organelle is associated in the formation of basal granules, cillia and flagella?

• 5)

  A living organism is differentiated from non-living structure based on _______.

11th Stateboard Biology Vegetative Morphology Important Questions - by Gowtham - Feb 15, 2019 - View & Read

• 1)

  Roots are ______.

• 2)

  In Nymphaea the stem is a ___________

• 3)

  The stem is modified to cladode and leaves are modified as scales in ____

• 4)

  Root that grow from any part of the plant body other than the radicle are called _____

• 5)

  Stilt roots are seen in _____

11th Standard Biology Half Yearly Exam 2018 - by Gowtham - Jan 14, 2019 - View & Read

11th Biology Half Yearly Model Question Paper and Answer - by Gowtham - Dec 27, 2018 - View & Read

• 1)

  Food poisoning is caused by ______________

• 2)

  Example for negatively geotropic roots __________

• 3)

  Tubular corolla with a single strap-shaped limb ________________.

• 4)

  __________________ribosomes are present in the outer surface of the endoplasmic reticulum.

• 5)

  A living organism is differentiated from non-living structure based on _______.

HSC First year Biology Important Question Paper and Answer - by Gowtham - Dec 27, 2018 - View & Read

• 1)

  ___________ sps is an endophyte in coralloid roots of Cycas.

• 2)

  Bryophyllum and Dioscorea are example for ______.

• 3)

  Match the following

  A)Samara	i)Strawberry
  B)Utricle	ii)Acer
  C)Cremocarp	iii)Abutilon
  D)Carcerulus	iv)Helianthus
  E)Achene	v)Chenopodium
  F)Cypsela	vi)Carrot

• 4)

  The carbohydrate molecules of cell membrane are ___________

• 5)

  Every unit of classification regardless of its rank is _____.

11th Standard Biology Biomolecules Important Questions - by Gowtham - Dec 14, 2018 - View & Read

• 1)

  The most basic amino acid is

• 2)

  Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge:

• 3)

  Sanger first sequenced the protein called ____________.

• 4)

  Which one of the following pairs is correctly matched?

• 5)

  Which of the following is not a disaccharide?

Living World Important Questions from 12th Biology - by Gowtham - Dec 06, 2018 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Identify the correctly matched pair.

• 3)

  Monotropa derives nutrition by ___________

• 4)

  Living things are made of ___________

• 5)

  ______________ is a basic unit of life.

11th Biology 5 Marks Revision Test - by Gowtham - Dec 04, 2018 - View & Read

• 1)

  Give a general account on lichens.

• 2)

  Write the similarities and difference between
  a. Radical buds and foliar buds
  b. Phylloclade and cladode

• 3)

  Give the floral characters of Clitoria ternatea.

• 4)

  Draw the ultra structure of plant cell.

• 5)

  Write about Pachytene and Diplotene of Prophase I.

11th Biology Model Exam Question paper - by Gowtham - Dec 04, 2018 - View & Read

• 1)

  Identify the Archaebacterium.

• 2)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

• 3)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 4)

  In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be ______.

• 5)

  The taxonomy which involves the similarities & dissimilarities among the immune system of different taxa is termed as ______.

11th Biology Half Yearly Model Question Paper 1 - by Gowtham - Nov 29, 2018 - View & Read

• 1)

  The correct statement regarding Blue green algae is ______.

• 2)

  Read the following statements. ( A to E ) and select the option with all correct statements.
  A) Mosses and Lichens are the first organisms to colonise a bare rock.
  B) Selaginella is a homosporous pteridophyte.
  C) Coralloid roots in Cycas have VAM.
  D) Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.
  E) In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

• 3)

  Bryophyllum and Dioscorea are example for ______.

• 4)

  Aggregate fruit develops from _____.

• 5)

  The taxonomy which involves the similarities & dissimilarities among the immune system of different taxa is termed as ______.

11th Standard Biology Important Question Paper - by Periyar Matric Higher Secondary School - Oct 24, 2018 - View & Read

• 1)

  Read the following sentences and identify the correctly matched sentences.
  i. In exarch condition, the protoxylem lies outside of metaxylem.
  ii. In endarch condition, the protoxylem lie towards the centre.
  iii. In centarch condition, metaxylem lies in the middle of the protoxylem.
  iv. In mesarch condition, protoxylem lies in the middle of the metaxylem.

• 2)

  When a leaf trace extends from a vascular bundle in a dicot stem, what would be the arrangement of vascular tissues in the veins of the leaf?

• 3)

  The common bottle cork is a product of______.

• 4)

  What is the fate of primary xylem in a dicot stem showing extensive secondary growth?

• 5)

  In a fully turgid cell _____.

11th Standard Biology Unit- 8 Important Questions - by Periyar Matric Higher Secondary School - Oct 24, 2018 - View & Read

• 1)

  Concentration of urine depends upon which part of the nephron ______.

• 2)

  If Henle's loop were absent from mammalian nephron, which one of the following is to be expected?

• 3)

  A person who is on a long hunger strike and is surviving only on water, will have

• 4)

  What will happen if the stretch receptors of the urinary bladder wall are totally removed?

• 5)

  The end product of Ornithine cycle is _____.

11th Standard Biology Unit - 7 Important Questions - by Periyar Matric Higher Secondary School - Oct 24, 2018 - View & Read

• 1)

  Which one of the following plasma proteins is involved in the coagulation of blood?

• 2)

  Which of these functions could or could not be carried out by a red blood cell?

• 3)

  Which of the following is not involved in blood clotting?

• 4)

  Lymph is colourless because ____.

• 5)

  Blood group is due to the presence or absence of surface _______.

11th Biology Model Question Paper 2 - by Gowtham - Sep 22, 2018 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Identify the incorrect statement about the Gram positive bacteria.

• 3)

  Identify the Archaebacterium.

• 4)

  The respiratory pigment in cockroach is _____.

• 5)

  Exoskeleton of which phylum consists of chitinous cuticle?

11th Biology Important Question Paper - by Gowtham - Sep 22, 2018 - View & Read

• 1)

  Vexillary aestivation is characteristic of the family _____.

• 2)

  Gynoecium with united carpels is termed as ______.

• 3)

  Perianth is present in_______.

• 4)

  Flowers are zygomorphic in ______.

• 5)

  Duplicate specimen of the holotype collected from same population _____________.

11th Biology Important Three Marks Question Paper - by Gowtham - Sep 22, 2018 - View & Read

• 1)

  What are Corolloid roots?  

• 2)

  What is the contribution of prof. Birbal Sahni? 

• 3)

  Mention three salient features of Brown algae.

• 4)

  The term 'form genera' is used to name fossil plants - Explain.

• 5)

  Describe the structure of pteridophytes.

11th Biology One Mark Important Question Paper - by Gowtham - Sep 22, 2018 - View & Read

• 1)

  The growing tip of the root _____.

• 2)

  _____ is an example for Lianas.

• 3)

  ______ is a submerged aquatic plant.

• 4)

  The root in Dahlia is described as ___

• 5)

  Stilt roots are also called _____

11th Biology Model Question Paper 1 - by Gowtham - Sep 15, 2018 - View & Read

• 1)

  The most basic amino acid is

• 2)

  Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge:

• 3)

  A living organism is differentiated from non-living structure based on _______.

• 4)

  A group of organisms having similar traits of a rank is _______.

• 5)

  Every unit of classification regardless of its rank is _____.

Important One Mark Question Paper In 11th Biology - by Gowtham - Aug 06, 2018 - View & Read

• 1)

  The correct statement regarding Blue green algae is ______.

• 2)

  Identify the correctly matched pair.

• 3)

  Who coined the word Bacterium?

• 4)

  In the year 1911, the classification of viruses is given by ____________.

• 5)

  Which of following represents gametophytic generation in pteridophytes?

Living World Important Question Paper In 11th Zoology - by Gowtham - Aug 03, 2018 - View & Read

• 1)

  Every unit of classification regardless of its rank is _____.

• 2)

  Which of the following is not present in same rank?

• 3)

  What taxonomicaid gives comprehensive information about a taxon?

• 4)

  Who coined the term biodiversity?

• 5)

  Cladogram considers the following characters _______.

Cell Cycle Important Question Paper In 11th Biology - by Gowtham - Aug 02, 2018 - View & Read

• 1)

  The correct sequence in cell cycle is ______.

• 2)

  If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as _____.

• 3)

  Anaphase promoting complex APC is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in human cell, which of the following is expected to occur?

• 4)

  In S phase of the cell cycle ______.

• 5)

  Centromere is required for ______.

Biomolecules Important Question Paper In 11th Biology - by Gowtham - Aug 02, 2018 - View & Read

• 1)

  The most basic amino acid is

• 2)

  An example of feedback inhibition is

• 3)

  Enzymes that catalyse interconversion of optical, geometrical or positional isomers are ______________

• 4)

  Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge:

• 5)

  Membrane lipids are ____________.

Cell: The Unit Of Life Important Question Papetr In 11th Biology - by Gowtham - Aug 01, 2018 - View & Read

• 1)

  The two subunits of ribosomes remain united at critical ion level of _______.

• 2)

  Sequences of which of the following is used to know the phylogeny.

• 3)

  Many cells function properly and divide mitotically even though they do not have.

• 4)

  Keeping in view the fluid mosaic model for the structure of cell membrane which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other.

• 5)

  Match the columns and identify the correct option:

  	Column I		Column II
  A	Thylakoids	1.	Disc-shaped sacs in Golgi apparatus
  B.	Cristae	2.	Condensed structure of DNA
  C.	Cisternae	3.	Flat membranous sacs in stroma
  D	Chromatin	4.	Infoldings in mitochondria

Important Question Paper In 11th Biology - by Gowtham - Aug 01, 2018 - View & Read

• 1)

  Specimen derived from non-original collection serves as the nomenclature type, when original specimen is missing. It is known as ________ .

• 2)

  Phylogenetic classification is the most favoured classification because it reflects _______.

• 3)

  The taxonomy which involves the similarities & dissimilarities among the immune system of different taxa is termed as ______.

• 4)

  Perianth is present in_______.

• 5)

  Flowers are zygomorphic in ______.

Reproductive Morphology Important Question Paper In 11th Biology - by Gowtham - Aug 01, 2018 - View & Read

• 1)

  Vexillary aestivation is characteristic of the family _____.

• 2)

  Gynoecium with united carpels is termed as ______.

• 3)

  Aggregate fruit develops from _____.

• 4)

  In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be ______.

• 5)

  A true fruit is the one where ______.

Vegetative Morphology Important Question Paper In 11th Biology - by Gowtham - Jul 28, 2018 - View & Read

• 1)

  Roots are ______.

• 2)

  When the root is thick and fleshy, but does not taken a definite shape, it said to be _________

• 3)

  Example for negatively geotropic roots __________

• 4)

  Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

• 5)

  Bryophyllum and Dioscorea are example for ______.

11th Biology Plant Kingdom Important Question Paper - by Gowtham - Jul 28, 2018 - View & Read

• 1)

  Which of the plant group has gametophyte as a dominant phase?

• 2)

  Which of following represents gametophytic generation in pteridophytes?

• 3)

  The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be _________

• 4)

  In gymnosperm endosperm is formed_______.

• 5)

  Identify the odd one based on vegetative reproduction in algae.

Living World Important Question Paper In 11th Biology - by Gowtham - Jul 26, 2018 - View & Read

• 1)

  Which one of the following statement about virus is correct?

• 2)

  Identify the incorrect statement about the Gram positive bacteria.

• 3)

  Identify the Archaebacterium.

• 4)

  The correct statement regarding Blue green algae is ______.

• 5)

  Identify the correctly matched pair.

11th Bio-botany One Marks Question Paper - by Gowtham - Jul 23, 2018 - View & Read

• 1)

  Identify the incorrect statement about the Gram positive bacteria.

• 2)

  Identify the correctly matched pair.

• 3)

  Monotropa derives nutrition by ___________

• 4)

  Living organisms constitute __________

• 5)

  TMV has a molecular weight of _____________ Daltons.