WBJEE Biology Question Paper 2011(Eng)

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WBJEE - 2011 -  Biology

1.  Glucose and amino acids are reabosorbed in the

(A) proximal tubule         (B) distal tubule          (C) collecting duct         (D) loop of Henle

 

2.   The amount of CSF in the cranial cavity

(A) 500 ml        (B) 140 ml        (C) 1 litre        (D) 1.5 ml

 

3.   Which one is imino acid ?

(A) Pepsin          (B) Proline         (C) Cysteine         (D) Renin

 

4.   The main difference between Gram positive and Gram negative bacteria is

(A) Cell membrane        (B) Cell wall         (C) Ribosome         (D) Mitochondria

 

5.    ACTH is secreted from

(A) Adrenal cortex         (B) Pituitary         (C) Adrenal Medulla         (D) Thyroid

 

6.   Which of the following is the correct pathway for propagation of cardiac impulse ?

(A) SA node → AV node → Bundle of His → Purkinje fibers

(B) AV node → Bundle of His → SA node → Purkinje fibers

(C) SA node → Purkinje fibers → AV node → Bundle of His

(D) Purkinje fibers → AV node → SA node → Bundle of His

 

7.   Inner surface of the bronchi, bronchioles and fallopian tubes are lined by

(A) cubical epithelium      (B) columnar epithelium       (C) squamous epithelium       (D) ciliated epithelium

 

8.   Electric potential of the brain is recorded by

(A) CT Scan        (B) Sphygmomanometer        (C) ECG         (D) EEG

 

9.   Which of the following is related to humoral immunity ?

(A) T-lymphocyte      (B) B-lymphocyte       (C) I-lymphocyte       (D) P-lymphocyte

 

10.  Fertilization occur in

(A) Uterus      (B) Ureter       (C) Vagina        (D) Fallopian tube

 

11.  The Gastrin is secreted from

(A) Intestine       (B) Stomach        (C) Pancreas        (D) Rectum

 

12.   The cause of cretinism is

(A) Hypothyroidism     (B) Hypoparathyroidism     (C) Hyperthyroidism      (D) Hyperparathyroidism

 

13.   Which of the following is a minerelocorticoid ?

(A) Testosterone       (B) Progesterone        (C) Adrenalin        (D) Aldosterone

 

14.   The part of the brain where the centre for hunger and thirst is located is

(A) Cerebrum       (B) Hypothalamus       (C) Cerebellum       (D) Medulla Oblongata

 

15.   The reflex arc, which is made of two neurones is known as

(A) Monosynaptic reflex arc         (B) Disynaptic reflex arc

(C) Polysynaptic refles arc           (D) Asynaptic reflex arc

 

16.   The lactase hydrolyzes lactose into

(A) Glucose      (B) Glucose and galactose      (C) Fructose      (D) Glucose and fructose

 

17.   In 24 hours, total glomerular filtrate formed in human kidney is

(A) 1.7 litres       (B) 7 litres      (C) 17 litres      (D) 170 litres

 

18.  When the oxygen supply to the tissue is inadequate, the condition is

(A) Dyspnea      (B) Hypoxia     (C) Asphyxia      (D) Apnea

 

19.   Which one of the following is not a second messenger in hormone action ?

(A) Calcium       (B) Sodium      (C) cAMP      (D) cGMP

 

20.   The name of the pace maker of the heart is

(A) Lymph node      (B) S.A. node       (C) Juxtaglumerular apparatus      (D) Semilunar valve

 

21.  What is a genophore ?

(A) DNA in prokaryotes         (B) DNA and RNA in prokaryotes

(C) DNA and protein in prokaryotes        (D) RNA in prokaryotes

 

22.   Example of a typical homopolysaccharide is

(A) Ligin       (B) Suberin        (C) Inulin       (D) Starch

 

23.   Who wrote the famous book ‘Origin of Species’ ?

(A) Lamarck        (B) Darwin        (C) De Vries       (D) Mendel

 

24.   Polyploid derived from two different species is called

(A) Autopolyploid         (B) Triploid         (C) Allopolyploid         (D) Monoploid

 

25.    Electrons used in Electron Microscope are of the wavelength

(A) 0.05 Å        (B) 0.15 Å       (C) 0.25 Å        (D) 0.30 Å

 

26.   Biolistic technique is used in

(A) Tissue culture process        (B) Gene transfer process  

(C) Hybridization process         (D) Germplasm conservation process

 

27.   Example of water soluble plant pigment is

(A) Chlorophyll-a       (B) Chlorophyll-b       (C) Anthocyanin        (D) Xanthophyll

 

28.    Structural element of Chromatin is

(A) Histone         (B) Acid protein and DNA        (C) Nuclear matrix        (D) Nucleosomes

 

29.    Inulin is a polymer of

(A) Glucose        (B) Galactose        (C) Fructose         (D) Arabinose

 

30.    Mannitol is

(A) Amino Acid         (B) Amino alcohol        (C) Sugar alcohol        (D) Sugar acid

 

31.    A flower which can be divided into two equal halves by only one plane is

(A) Zygomorphic       (B) Actinomorphic        (C) Regular        (D) Perfect

 

32.    Pieces of plant tissue used in tissue culture is called

(A) Explant        (B) Somaclone        (C) Inoculant        (D) Clone

 

33.    VAM is

(A) Symbiotic bacteria        (B) Saprophytic bacteria       (C) Saprophytic fungi       (D) Symbiotic fungi

 

34.   Ovule integument gets transformed into

(A) seed      (B) fruit wall       (C) seed coat       (D) cotyledons

 

35.   Acid rain is caused by

(A) NO<sub>2</sub>       (B) SO<sub>2</sub>      (C) SO<sub>3</sub>      (D) CO<sub>2</sub>

 

36.   Which one of the following bacterium is used for production of transgenic plants

(A) Escherichia coli     (B) Bacillus thuringiensis      (C) Staphylococcus aureus      (D) Agrobacterium tumefaciens

 

37.  A plant cell becomes turgid due to

(A) Plasmolysis      (B) Exosmosis       (C) Endosmosis       (D) Electrolysis

 

38.   Restriction enzymes are used to cut

(A) Single stranded RNA     (B) Double stranded DNA     (C) Single stranded DNA    (D) Double stranded RNA

 

39.  Spindle fibre is made up of

(A) Humulin      (B) Intermediate filament        (C) Flagellin      (D) Tubulin

 

40.  Edible part of Mushroom is

(A) Basidiocarp      (B) Primary mycelium        (C) Fungal hyphae        (D) Basidiospores

 

41.  Calcium level decreases in the blood due to hyposecretion of

(A) Parathyroid hormone         (B) Calcitonin         (C) Thyroxine        (D) Adrenaline

 

42.  Kupffer’s cells are

(A) Phagocytic     (B) Actin      (C) Myosin      (D) Fibrin

 

43.  Which centre is stimulated during increase in body temperature

(A) Anterior hypothalamus      (B) Posterior hypothalamus      (C) Limbic system      (D) Red nucleus

 

44.   Name the following having oxygen storing capacity

(A) Myoglobin     (B) Prophase II     (C) Anaphase I     (D) Metaphase II

 

45.  Longest phase of meiosis

(A) Prophase I     (B) Prophase II      (C) Anaphase I     (D) Metaphase II

 

46.  Tetany is caused by

(A) Hyperparathyroidism     (B) Hypoparathyroidism    (C) Hyperthyroidism    (D) Hypothyroidism

 

47.  Which the following is a gastrointestine hormone ?

(A) Prolactin     (B) Enterokinase     (C) GH    (D) FSH

 

48.  Name the hormone that has no role in menstruation.

(A) LH      (B) FSH        (C) GH       (D) TSH

 

49.  Which of the following substances can cure Parkinson’s disease ?

(A) GABA     (B) Acetylcholine      (C) Dopamine       (D) Glutamic acid

 

50.   Movement of tongue muscle is controlled by

(A) facial nerve       (B) trigeminal nerve      (C) hypoglossal nerve       (D) vagus nerve

 

51.  Which function will be lost due to damage of occipital lobe ?

(A) Hearing       (B) Speech        (C) Vision        (D) Memory

 

52.   Meissner’s corpuscles occur in

(A) Brain      (B) Nerve cells      (C) Skin      (D) Tongue

 

53.  Osteomalacia is a deficiency disease of

(A) Infants due to protein energy malnutrition         (B) Adults due ot protein energy malnutrition

(C) Adults due to Vitamin D deficiency                   (D) Infants due to Vitamin K deficiency

 

54.  The gene of sickle cell anaemia is inherited by

(A) Blood cells        (B) Bone cells        (C) Sex chromosomes         (D) Autosomes

 

55.  Ptyalin is inactivated by a component of gastric juice known as

(A) Pepsin       (B) Mucus      (C) Rennin      (D) HCl

 

56.   Which one of the following human cells do not contain mitochondria ?

(A) Nerve cell     (B) Red blood cell     (C) Liver cell     (D) White blood cell

 

57.   In which stage of the first meiotic division two sister chromatids are formed ?

(A) Leptotene      (B) Zygotene      (C) Pachytene      (D) Diplotene

 

58.   Which one of the following triplet codons is a chain termination codon ?

(A) UGU       (B) AAU      (C) UUG      (D) UAG

 

59.   How many pairs of contrasting characters in pea pod were chosen by Mendel ?

(A) 3      (B) 5       (C) 7      (D) 9

 

60.   If a cross between two individuals produces offsprings with 50% dominant character (A) and 50% recessive character (a) the genotype of parents are

(A) Aa × Aa        (B) Aa × aa        (C) AA × aa        (D) AA × Aa

 

61.   Structural lipids of cell membrane

(A) Simple lipid        (B) Chromolipids        (C) Steroid       (D) Phospholipids

 

62.   Which one of the following is polysaccharide ?

(A) Glycogen        (B) Sucrose        (C) Lactose       (D) Maltose

 

63.   What will be the codons in m-RNA if the DNA codes are ATG-CAG ?

(A) TAC – GTC      (B) UAC – GUC      (C) UCA – TUA      (D) TCA – GTC

 

64.   Which of the following species is restricted to a specific area ?

(A) Sibling species     (B) Allopatric species     (C) Sympatric species     (D) Endemic species

 

65.   Which of the following is NOT correctly matched ?

(A) Sycon — Canal system     (B) Star fish — Radial symmetry     (C) Ascaris — Flame cell    (D) Prawn — Haemocoel

 

66.   Which one of the following animal phyla does not possess a coelom ?

(A) Platyhelminthes        (B) Annelida        (C) Mollusca        (D) Echinodermata

 

67.   Cardiac muscles are

(A) Striated and voluntary    (B) Striated and involuntary     (C) Smooth and voluntary    (D) Smooth and involuntary

 

68.   Which one of the following immunoglobulins is found as pentamer ?

(A) IgG       (B) IgM       (C) IgA       (D) IgE

 

69.   Which one of the following cells is not a phagocytic cell ?

(A) Macrophage       (B) Monocyte        (C) Neutrophil        (D) Basophil

 

70.   Which one of the following is the most priitive ancestor of man ?

(A) Homo habilis        (B) Australopithecus       (C) Rampithecus punjabicus        (D) Homo neanderthalensis

 

71.   A female Anopheles mosquito can be recognized by

(A) Proboscis and palpi are long and more or less of equal length

(B) Proboscis long and palpi short

(C) Proboscis short and palpi long

(D) Both proboscis and palpi are short

 

72.   The anterior V-spot in microfilaria of Wuchereria represents

(A) Nerve ring        (B) Cervical papilla        (C) Excretory system         (D) Reproductive

 

73.   In a population, unrestricted reproductive capacity is called

(A) Biotic potential        (B) Fertility        (C) Carrying capacity        (D) Birth rate

 

74.    When the two ecosystems overlap each other, the area is called

(A) Habitat        (B) Niche         (C) Ecotone          (D) Ecotype

 

75.    Pyramid of energy in ecosystems is

(A) Always upright      (B) Always inverted         (C) Mostly upright        (D) Mostly inverted

 

76.    Which one of the following is mainly responsible for green house effect ?

(A) SO<sub>2</sub>      (B) CO<sub>2</sub>      (C) CO        (D) O<sub>2</sub>

 

77.    Which one of the following is an exotic carp species ?

(A) Barbus stigma       (B) Cyprinus carpio       (C) Labeo bata      (D) Cirrhinus mrigala

 

78.    Which of following two hormones are essential for induced breeding of fishes ?

(A) TSH and ACTH      (B) Oestrogen and progesterone      (C) FSH and LH      (D) Vassopressin and oxytocin

 

79.   Which stage of malarial parasite is infective to man ?

(A) Gametocyte      (B) Merozoite        (C) Cryptomerozoite        (D) Sporozoite

 

80.  The scientific name of the moth which produce tasar is

(A) Bombyx mori      (B) Antheraea mylitta      (C) Antheraea assamensis      (D) Philosomia ricini

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