11th Public Exam March 2019 Important Creative One Mark Test 1

11th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 100
    100 x 1 = 100
  1. Which one of the following statement about virus is correct?

    (a)

    Possess their own metabolic system

    (b)

    They are facultative parasites

    (c)

    They contain DNA or RNA

    (d)

    Enzymes are present

  2. The correct statement regarding Blue green algae is

    (a)

    lack of motile structures

    (b)

    presence of cellulose in cell wall

    (c)

    absence of mucilage around the thallus

    (d)

    presence of floridean starch

  3. The base plate of T4 phage has ______________ tail fibres.

    (a)

    5

    (b)

    4

    (c)

    6

    (d)

    8

  4. Study of fungus is called as __________ .

    (a)

    phycology

    (b)

    mycology

    (c)

    algology

    (d)

    biology

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

    (a)

    Pteridophytes

    (b)

    Bryophytes

    (c)

    Gymnosperm

    (d)

    Angiosperm

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

    (a)

    7

    (b)

    14

    (c)

    42

    (d)

    28

  7. Which of the following is a living fossil?

    (a)

    Spirogyra

    (b)

    Moss

    (c)

    Cycas

    (d)

    Saccharomyces

  8. Which one is used as bio - fertilizer?

    (a)

    Funaria

    (b)

    Marchantia

    (c)

    Azolla

    (d)

    Anthoceros

  9. Roots are

    (a)

    Descending, negatively geotropic, positively phototropic

    (b)

    Descending, positively geotropic, negatively phototropic

    (c)

    Ascending, positively geotropic, negatively phototropic

    (d)

    Ascending, negatively geotropic, positively phototropic

  10. Bryophyllum and Dioscorea are example for

    (a)

    Foliar bud, apical bud

    (b)

    Foliar bud, cauline bud

    (c)

    Cauline bud, apical bud

    (d)

    Cauline bud, foliar bud

  11. Match

    1 Radical buds i Agave
    2 Foliar bud ii Millingtonia
    3 Cauline bud iii Begonia
        iv Solanum
    (a)

    1 - iii, 2 - iv, 3 - i

    (b)

    1 - iii, 2 - i, 3 - ii

    (c)

    1 - ii, 2 - i, 3 - iv

    (d)

    1 - ii, 2 - iii, 3 - i

  12. Plants grow on land is called ________.

    (a)

    Aquatic

    (b)

    Amphibian

    (c)

    Terrestrial

    (d)

    Both a & b

  13. Vexillary aestivation is characteristic of the family

    (a)

    Fabaceae

    (b)

    Asteraceae

    (c)

    Solanaceae

    (d)

    Brassicaceae

  14. Gynoecium with united carpels is termed as

    (a)

    Apocarpous

    (b)

    Multicarpellary

    (c)

    Syncarpous

    (d)

    None of the above

  15. A disk-shaped stigma is called _____________.

    (a)

    Lateral style

    (b)

    Discoid

    (c)

    capitate

    (d)

    Globose

  16. They develop from mullcarpellary, syncarpous, superior ovary with hard ____________.

    (a)

    Achene

    (b)

    Cypsela

    (c)

    Caryopsis

    (d)

    Nut

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

    (a)

    Holotype

    (b)

    Neotype

    (c)

    Isotype

    (d)

    Paratype

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

    (a)

    Comparative Anatomy

    (b)

    Number of flowers produced

    (c)

    Comparative cytology

    (d)

    Evolutionary relationships

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

    (a)

    Chemotaxonomy

    (b)

    Molecular systematics

    (c)

    Serotaxonomy

    (d)

    Numerical taxonomy

  20. Bentham and Hooker described ........... species.

    (a)

    90,205

    (b)

    97,305

    (c)

    98,304

    (d)

    97,205

  21. _________outlined an artificial system of classification.

    (a)

    Father of Taxonomy

    (b)

    Carolus Linnaeus

    (c)

    Artificial system of classification

    (d)

    Natural system of classification

  22. Plants with united petals, which are either partially or completely fused in ________.

    (a)

    Dicotyledonae

    (b)

    Polypetalae

    (c)

    Gamopetalae

    (d)

    Monochlamydeae

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

    (a)

    Magnesium

    (b)

    Calcium

    (c)

    Sodium

    (d)

    Ferrous

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

    (a)

    plasma membrane

    (b)

    cytoskeleton

    (c)

    mitochondria

    (d)

    plastids

  25. 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
    (a)
    A B C D
    3 4 2 1
    (b)
    A B C D
    4 3 1 2
    (c)
    A B C D
    3 4 1 2
    (d)
    A B C D
    3 1 4 2
  26. Nucleosome contains______ histone subunits

    (a)

    6

    (b)

    8

    (c)

    4

    (d)

    10

  27. Which among the following is NOT an exception to cell theory?

    (a)

    Viruses

    (b)

    Viroids

    (c)

    Prions

    (d)

    Fungi

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

    (a)

    Anaphase

    (b)

    Metaphase

    (c)

    Prophase

    (d)

    interphase

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

    (a)

    Bivalent

    (b)

    Synapsis

    (c)

    Disjunction

    (d)

    Synergids

  30. _____________ occurs in shoot and root tips and other meristematic tissues of plants.

    (a)

    Amitosis

    (b)

    Mitosis

    (c)

    Closed Mitosis

    (d)

    Open Mitosis

  31. Recombination of homologous chromosomes is completed by the end of the stage ___________ .

    (a)

    Leptotene

    (b)

    Zygotene

    (c)

    Pachytene

    (d)

    Diplotene

  32. The most basic amino acid is

    (a)

    Arginine

    (b)

    Histidine

    (c)

    Glycine

    (d)

    Glutamine

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

    (a)

    Antibiotics

    (b)

    Pigment conferring colour to skin

    (c)

    Pigments making colours of flowers

    (d)

    Hormones

  34. _____________ help to increase the rate of reaction catalysed by enzymes.

    (a)

    Holoenzyme

    (b)

    Apoenzyme

    (c)

    Inorganic ions

    (d)

    Coenzymes

  35. _____________ include simple sugars.

    (a)

    ribosomal RNA

    (b)

    Carbohydrates

    (c)

    Lipids

    (d)

    Nucleic acids

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

    (a)

    Species

    (b)

    Taxon

    (c)

    Genus

    (d)

    Family

  37. Every unit of classification regardless of its rank is

    (a)

    Taxon

    (b)

    Variety

    (c)

    Species

    (d)

    Strain

  38. ____________is the father of modern taxonomy and found of systematics.

    (a)

    Linnaeus

    (b)

    Aristotle

    (c)

    John Ray

    (d)

    Bauhin

  39. The father of modem taxonomy is:

    (a)

    John Ray

    (b)

    Huxley

    (c)

    Darwin

    (d)

    Carolus Linnaeus

  40. Metameric segmentation is the main feature of

    (a)

    Annelida

    (b)

    Echinodermata 

    (c)

    Arthropoda

    (d)

    Coelenterata

  41. Which of the following is an egg-laying mammal

    (a)

    Delphinus

    (b)

    Macropus

    (c)

    Ornithorhynchus

    (d)

    Equus

  42. Parthenogenesis can be seen in

    (a)

    frog

    (b)

    honey bee

    (c)

    moth

    (d)

    all of these

  43. Which of the following is not an insect?

    (a)

    Cockroach

    (b)

    Spider

    (c)

    Mosquito

    (d)

    bedbug

  44. The main function of the cuboidal epithelium is

    (a)

    Protection

    (b)

    Secretion

    (c)

    Absorption

    (d)

    Both (b) and (c)

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

    (a)

    Tight junction

    (b)

    Adhering junction

    (c)

    Gap junction

    (d)

    Elastic junction

  46. Pick out the odd one:

    (a)

    Mucus

    (b)

    Saliva

    (c)

    Hormone

    (d)

    Milk

  47. Groups of cells that are similar in structure and perform a common function are called

    (a)

    tissues

    (b)

    organs

    (c)

    cells

    (d)

    organ systems

  48. Kidney of frog is

    (a)

    Archinephros

    (b)

    Pronephros

    (c)

    Mesonephros

    (d)

    Metanephros

  49. To sustain themselves, earthworms must guide their way through the soil using their powerful muscles. They gather nutrients by ingesting organic matter and soil, absorbing what they need into their bodies.
    True or False: The two ends of the earthworm can equally ingest soil.

    (a)

    True

    (b)

    False

  50. Which of the following is right?

    (a)

    Anal styles are present only in male cockroach.

    (b)

    Anal styles are present in both male and female cockroaches

    (c)

    Anal cerei are present in male cockroach only

    (d)

    Anal cerei are present in female cockroach only

  51. The secretion of colleterial glands in cockroach is to produce

    (a)

    ova

    (b)

    sperms

    (c)

    pigments

    (d)

    oothoea

  52. The sphincter of Oddi guards

    (a)

    Hepatopancreatic duct

    (b)

    Common bile duct

    (c)

    Pancreatic duct

    (d)

    Cystic duct

  53. Which of the following is not the function of liver?

    (a)

    Production of insulin

    (b)

    Detoxification

    (c)

    Storage of glycogen

    (d)

    Production of bile

  54. Who is known as the Father of gastric physiology?

    (a)

    Aristotle

    (b)

    William Beaumont

    (c)

    Alexis

    (d)

    A.C Guyton and Hall

  55. HCl is secreted by

    (a)

    Zymogen cells

    (b)

    Kupffer's cells

    (c)

    Oxyntic cells

    (d)

    Mucous cells

  56. Which of the following options best represents the enzyme composition of pancreatic juice

    (a)

    Amylase, pepsin, trypsinogen, maltase

    (b)

    Peptidase, Amylase, pepsine, renine

    (c)

    Lipase, amylase, trypsinogen, procarboxypeptidase

    (d)

    Amylase peptidase, trypsinogen, rennin

  57. Asthma is caused due to

    (a)

    bleeding in the pleural cavity

    (b)

    infection of nose

    (c)

    damage of diaphragm

    (d)

    infection of lungs

  58. Which of the following best describes the process of gas exchange in the lungs?

    (a)

    Air moves in and out of the alveoli during breathing.

    (b)

    Carbon dioxide diffuses from deoxygenated blood in capillaries into the alveolar air.

    (c)

    Oxygen and carbon dioxide diffuse down their concentration gradients between blood and alveolar air.

    (d)

    Oxygen diffuses from alveolar air into the deoxygenated blood.

  59. The lungs are protected ventrally by

    (a)

    vertebral column

    (b)

    sternum

    (c)

    ribs

    (d)

    diaphragm

  60. Which of the following is caused by bacteria

    (a)

    pneumonia

    (b)

    emphysema

    (c)

    silicosis

    (d)

    tuberculosis

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

    (a)

    Globulin

    (b)

    Fibrinogen

    (c)

    Albumin

    (d)

    Serum amylase

  62. A patient's chart reveals that he has a cardiac output of 7500mL per minute and a stroke volume of 50 mL. What is his pulse rate (in beats/min)?

    (a)

    50

    (b)

    100

    (c)

    150

    (d)

    400

  63. Cerebral infarction is called __________.

    (a)

    heart attack

    (b)

    hypertension

    (c)

    heart failure

    (d)

    stroke

  64. The wall of which part of the heart is very thick?

    (a)

    Left atrium

    (b)

    Left ventricle

    (c)

    Right atrium

    (d)

    Right ventricle

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

    (a)

    There will be no urine formation

    (b)

    There will be hardly any change in the quality : and quantity of urine formed

    (c)

    The urine will be more concentrated

    (d)

    The urine will be more dilute

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

    (a)

    cholecystokinin

    (b)

    angiotensin II

    (c)

    antidiuretic hormone

    (d)

    Pancreozymin

  67. ____________is not a waste product.

    (a)

    Guanine

    (b)

    Creatinine

    (c)

    Urea

    (d)

    Ribose

  68. Assertion (A): The decending limb of Henle's loop is permeable to water.
    Reason (R): Aquaporins are the facilitators for water permeability.

    (a)

    A and R are wrong

    (b)

    R does not explain A

    (c)

    R explains A

    (d)

    A is right R is wrong

  69. Synovial fluid is found in

    (a)

    Ventricles of the brain

    (b)

    Spinal cord

    (c)

    Immovable joint

    (d)

    Freely movable joints

  70. Appendicular skeleton is

    (a)

    girdles and their limbs

    (b)

    vertebrae

    (c)

    skull and vertebral column

    (d)

    ribs and sternum

  71. The vertebrae which get reduced in an adult are_____________
    (i) Cervical (ii) Coccyx (iii) Sacral (iv) Thoracic

    (a)

    (i) and (ii)

    (b)

    (ii) and (iii)

    (c)

    (ii) and (iv)

    (d)

    (i) and (iv)

  72. Choose the structure made of 8 bones

    (a)

    Cervical region of vertebral column

    (b)

    Tarsal

    (c)

    Cranium

    (d)

    Metacarpals

  73. The respiratory centre is present in the

    (a)

    Medulla oblongata

    (b)

    Hypothalamus

    (c)

    Cerebellum

    (d)

    Thalamus

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

    (a)

    Its pathways innervate skeletal muscles

    (b)

    Its pathways are usually voluntary

    (c)

    Some of its pathways are referred to as reflex arcs

    (d)

    Its pathways always involve four neurons

  75. Assertion (A): The inner ear acts as an organ of balance.
    Reason (R): It contains the ear ossicles.

    (a)

    A and R are wrong

    (b)

    R explains A

    (c)

    A and R are right but R does not explain A

    (d)

    A is right, R is wrong

  76. ___________ are egg shaped receptors seen in the skin.

    (a)

    Meissner's corpuscles

    (b)

    Ruffini endings

    (c)

    Pacinian corpuscles

    (d)

    Hair follicle receptors

  77. Which of the following are exclusive endocrine glands?

    (a)

    Thymus and Testis

    (b)

    Adrenal and Ovary

    (c)

    Parathyroid and Adrenal

    (d)

    Pancreas and Parathyroid

  78. Which of the following hormone is not secreted under the influence of pituitary gland?

    (a)

    Thyroxine

    (b)

    Insulin

    (c)

    Oestrogen

    (d)

    Glucocorticoids

  79. Match and identify the wrong pair

    Column I Column II
    1. Cushing's Syndrome Cortisol
    2. Addison's disease Adrenal cortex
    3. Acromegaly TSH
    4. Gigantism GH
    (a)

    1 and 3

    (b)

    2 only

    (c)

    1 and 4

    (d)

    3 only

  80. The functioning of _____________ glands regulates serum calcium levels.

    (a)

    Thyroid

    (b)

    Pituitary

    (c)

    Thymus

    (d)

    Parathyroid

  81. Which of the statement regarding Lac insect is TRUE?

    (a)

    A microscopic.resinous crawling scale insect

    (b)

    Inserts its proboscis into plant tissue suck juices and grows

    (c)

    Secretes lac from the hind end of body.

    (d)

    The male lac insect is responsible for the large-scale production of la(c)

  82. Isinglass is used in

    (a)

    Preparation

    (b)

    Clearing of wines

    (c)

    Distillation of wines

    (d)

    Preservation of wines

  83. There are _________ well defined breeds of cattle

    (a)

    24

    (b)

    26

    (c)

    20

    (d)

    18

  84. In fish breeding, induced breeding involves removal of ____________________

    (a)

    Pituitary gland

    (b)

    Thymus-gland

    (c)

    Pineal gland

    (d)

    Thyroid gland

  85. 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.

    (a)

    i, ii and iii only

    (b)

    ii, iii and iv only

    (c)

    i, ii and iv only

    (d)

    All of these

  86. 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?

    (a)

    Xylem would be on top and the phloem on the bottom

    (b)

    Phloem would be on top and the xylem on the bottom

    (c)

    Xylem would encircle the phloem

    (d)

    Phloem would encircle the xylem

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

    (a)

    They possess actively dividing cambium

    (b)

    They do not possess actively dividing cambium

    (c)

    Ceases activity of cambium

    (d)

    All are correct

  88. The common bottle cork is a product of

    (a)

    Dermatogen

    (b)

    Phellogen

    (c)

    Xylem

    (d)

    Vascular cambium

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

    (a)

    i and ii

    (b)

    ii and iii

    (c)

    iii and iv

    (d)

    i, ii, iii, iv

  90. What type of transpiration is possible in the xerophyte Opuntia?

    (a)

    Stomatal

    (b)

    Lenticular

    (c)

    Cuticular

    (d)

    All the above

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

    (a)

    Mn prevent the uptake of Fe, Mg but not Ca

    (b)

    Mn increase the uptake of Fe, Mg and Ca

    (c)

    Only increase the uptake of Ca

    (d)

    Prevent the uptake Fe, Mg, and Ca

  92. The element which is not remobilized?

    (a)

    Phosphorous

    (b)

    Potassium

    (c)

    Calcium

    (d)

    Nitrogen

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

    (a)

    2ATP + 2NADPH

    (b)

    2ATP + 3NADPH

    (c)

    3ATP + 2NADPH

    (d)

    3ATP + 3NADPH

  94. Identify true statement regarding the light reaction of photosynthesis?

    (a)

    Splitting of water molecule is associate with PS I.

    (b)

    PS I and PS II involved in the formation of NDPH + H+

    (c)

    The reaction center of PS I is Chlorophyll a with the absorption peak at 680 nm.

    (d)

    The reaction center of PS II is Chlorophyll a with the absorption peak at 700 nm.

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

    (a)

    3

    (b)

    4

    (c)

    6

    (d)

    8

  96. Assertion (A): Oxidative phosphorylation takes place during the electron transport chain in mitochondria.
    Reason (R): Succinyl CoA is phosphorylated into succinic acid by substrate phosphorylation.

    (a)

    A and R is correct. R is correct explanation of A

    (b)

    A and R is correct but R is not the correct explanation of A

    (c)

    A is correct but R is wrong

    (d)

    A and R is wrong.

  97. Which of the following reaction is not involved in Krebs cycle

    (a)

    Shifting of phosphate from 3C to 2C

    (b)

    Splitting of Fructose 1,6 bisphosphate of into two molecules 3C compounds

    (c)

    Dephosphorylation from the substrates

    (d)

    All of these

  98. Select the wrong statement from the following:

    (a)

    Formative phase of the cells retains the capability of cell division.

    (b)

    In elongation phase development of central vacuole takes place.

    (c)

    In maturation phase thickening and differentiation take place.

    (d)

    In maturation phase, the cells grow further.

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

    (a)

    Ethanol

    (b)

    Cytokinins

    (c)

    ABA

    (d)

    Auxin

  100. Seed dormancy allows the plants to

    (a)

    overcome unfavourable climatic conditions

    (b)

    develop healthy seeds

    (c)

    reduce viability

    (d)

    prevent deterioration of seeds

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