11th Standard Biology Study material & Free Online Practice Tests - View and download Sample Question Papers with Solutions for Class 11 Session 2019 - 2020 TN Stateboard

Biology Question Papers

11th Standard Botany - Cell - The Unit of Life Two Marks Questions - by Banu - Tiruvallur - View & Download

  • 1)

    Bring out the significance of phase contrast microscopy.

  • 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 Banu - Tiruvallur - View & Download

  • 1)

    Where will you place the plants which contain 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 Botany - Reproductive Morphology Two Marks Question - by Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 1)

    How root climbers differ from stem climber?

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 1)

    Give a general account on lichens.

  • 2)

    Explain the different types of fleshy fruit with suitable example.

  • 3)

    Difference between plant 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 1)

    Select the wrong statement from the following:

  • 2)

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

  • 3)

    In unisexual plants, sex can be changed by the application of

  • 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 Banu - Tiruvallur - View & Download

  • 1)

    Respiratory quotient is zero in succulent plants. Why?

  • 2)

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

  • 3)

    Explain the reactions taking place in the 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 Banu - Tiruvallur - View & Download

  • 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 the 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 the light of wavelength 400-450nm & Group B to the light of the wavelength of 500- 550nm. Compare the photosynthetic rate of the 2 groups giving reasons.

  • 5)

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

11th Botany - Mineral Nutrition Book Back Questions - by Banu - Tiruvallur - View & Download

  • 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 Alnuswhich 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 Banu - Tiruvallur - View & Download

  • 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 needs 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 Banu - Tiruvallur - View & Download

  • 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 root 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 is the significance of these rings?

11th Standard Botany - Tissue and Tissue System Book Back Questions - by Banu - Tiruvallur - View & Download

  • 1)

    In Gymnosperms, the activity of sieve tubes 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 1)

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

  • 2)

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

  • 3)

    Assertion: The imbalance in concentration of Na+, K+ and proteins generates action potential.
    Reason: 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

11th Standard Zoology - Body Fluids and Circulation Book Back Questions - by Banu - Tiruvallur - View & Download

  • 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 the following WBCs are found in more numbers

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 1)

    Specimen derived from non-original collection serves as the nomenclatural 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 and dissimilarities among the immune system of different taxa is termed as

  • 4)

    Which of the following is a flowering plant with nodules containing filamentous nitrogen fixing micro-organisms?

  • 5)

    Flowers are zygomorphic in

11th Standard Botany - Cell - The Unit of Life Book Back Questions - by Banu - Tiruvallur - View & Download

  • 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 lipid 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 1)

    The main function of the cuboidal epithelium is

  • 2)

    The ciliated epithelium lines the

  • 3)

    What type of fibres 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 1)

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

  • 2)

    Which of following represent generation in pteridophytes?

  • 3)

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

  • 4)

    Endosperm in Gymnosperm is formed

  • 5)

    Differentiate halpontic and diplontic life cycle.

11th Standard Zoology - Living World Book Back Questions - by Banu - Tiruvallur - View & Download

  • 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 on same rank?

  • 5)

    Which taxonomic aid gives comprehensive information about a taxon?

11th Standard Botany - Living World Book Back Questions - by Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 lipid 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 Banu - Tiruvallur - View & Download

  • 1)

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

  • 2)

    Phylogenetic classification is the most favoured classification because it reflects

  • 3)

    Which of the following is a flowering plant with nodules containing filamentous nitrogen fixing micro-organisms?

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 1)

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

  • 2)

    Which of following represent generation in pteridophytes?

  • 3)

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

  • 4)

    Endosperm in Gymnosperm is formed

  • 5)

    __ is a alga found on shell of molluscs.

11th Botany - Living World One Mark Question Paper - by Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 lipid 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 Banu - Tiruvallur - View & Download

  • 1)

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

  • 2)

    The taxonomy which involves the similarities and 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)

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

11th Standard Biology First Mid Term Model Question Paper - by Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 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 Banu - Tiruvallur - View & Download

  • 1)

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

  • 2)

    Which of following represent 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 Banu - Tiruvallur - View & Download

  • 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 - View & Download

  • 1)

    Mention the potential applications of fungi in agriculture.

  • 2)

    What are the three main symmetry of viruses?

  • 3)

    What is Viroid? Who discovered it?

  • 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 - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 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 represent generation in pteridophytes?

11th Standard Biology Public Exam March 2019 Important Creative Questions and Answers - by Gowtham - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 1)

    Which of following represent generation in pteridophytes?

  • 2)

    Endosperm in Gymnosperm 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 - View & Download

  • 1)

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

  • 2)

    Example for negatively geotropic roots

  • 3)

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

  • 4)

    Lysosomes release theirenzymes outer side the cell to digestother cells _________________

  • 5)

    Who coined the term biodiversity

11th Standard Biology Public Model Exam 2019 - by Gowtham - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 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 - View & Download

11th Biology Half Yearly Model Question Paper and Answer - by Gowtham - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 1)

    Give a general account on lichens.

  • 2)

    Write the similarities and differences between
    (i) Avicennia and Trapa.
    (ii) Banyan and Silk cotton.
    (iii) Fusiform and Napiform root.

  • 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 - View & Download

  • 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 and dissimilarities among the immune system of different taxa is termed as

11th Biology Half Yearly Model Question Paper 1 - by Gowtham - View & Download

  • 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 and dissimilarities among the immune system of different taxa is termed as

11th Standard Biology Important Question Paper - by Periyar Matric Higher Secondary School - View & Download

  • 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 towords 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 root showing extensive secondary growth?

  • 5)

    In a fully turgid cell

11th Standard Biology Unit- 8 Important Questions - by Periyar Matric Higher Secondary School - View & Download

  • 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 - View & Download

  • 1)

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

  • 2)

    Which of the following WBCs are found in more numbers

  • 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 - View & Download

  • 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 - View & Download

  • 1)

    Vexillary aestivation is characteristic of the family

  • 2)

    Gynoecium with united carpels is termed as

  • 3)

    Which of the following is a flowering plant with nodules containing filamentous nitrogen fixing micro-organisms?

  • 4)

    Flowers are zygomorphic in

  • 5)

    Duplicate specimen of the holotype collected from same population _____________.

11th Biology Important Three Marks Question Paper - by Gowtham - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 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 represent generation in pteridophytes?

Living World Important Question Paper In 11th Zoology - by Gowtham - View & Download

  • 1)

    Every unit of classification regardless of its rank is

  • 2)

    Which of the following is not present on same rank?

  • 3)

    Which taxonomic aid 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 - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 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 lipid 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 - View & Download

  • 1)

    Specimen derived from non-original collection serves as the nomenclatural 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 and dissimilarities among the immune system of different taxa is termed as

  • 4)

    Which of the following is a flowering plant with nodules containing filamentous nitrogen fixing micro-organisms?

  • 5)

    Flowers are zygomorphic in

Reproductive Morphology Important Question Paper In 11th Biology - by Gowtham - View & Download

  • 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 - View & Download

  • 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 - View & Download

  • 1)

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

  • 2)

    Which of following represent generation in pteridophytes?

  • 3)

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

  • 4)

    Endosperm in Gymnosperm is formed

  • 5)

    Identify the odd one based on vegetative reproduction in algae.

Living World Important Question Paper In 11th Biology - by Gowtham - View & Download

  • 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 - View & Download

  • 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.

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