Paper : C.S.E. ZOOLOGY SAMPLE QUESTION PAPER FOR PRELIMINARY EXAMINATION

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Two Hours Maximum Marks: 300

41. The osphradium in Pila sp. is the organ responsible for
(a) Tactile activity (b) Equilibrium
(c) Sensing light (d) Chemor-->ception

42. Which of the following is a reptilian feature of a prototherian mammal?
(a) Absence of pinna
(b) Presence of cloaca
(c) Vertebrate without epiphysis
(d) Single and uncoiled cochlea

43. Which of the following functions is served by prototrichs in Calotes?:.
(a) Defence (b) Sensory
(c) Capturing prey (d) Thermoregulation'

44. Which one of the following is the main constituent of Pearl?
(a) Calcium carbonate (b) Magnesium carbonate
(c) Calcium oxide (d) Magnesium sulphate

45. Which one of the following reptiles is an edentate?
(a) Chamaeleon (b) Garden lizard
(c) Gecko (d) Turtle

46. Avian respiratory system is characterised by the presence of membranous air-sacs. Such structure is also observed as a part. of respiratory system in some non-avian vertebrates. Which one of the following possesses such airsacs?

(a) Dolphin (b) Toad
(c) Chamaeleon (d) Pterpus

47. Consider the following:
1. Endothelium of foetal blood capillaries.
2. Connective tissue sun-ounding foetal blood capillaries.
3. Foetal epithelium.
4. Maternal epithelium.
5. Connective tissue surrounding maternal blood capillaries.
6. Endothelium of maternal blood capillaries.

In the case of humans, the placenta comprises which of the above?
(a) 1, 2, 3, 4, 5 and 6 (b) 1, 5 and 6
(c) 1 and 2 (d) 2 and 6

48. Consider the following statements:
1. In the cranium of Rana, parietal fossa is present.
2. In the cranium of Columba, parietal foramen is absent. J Which of the statements given above is/are correct?

(a) 1 only. (b) 2 only
(c) Both I and 2 (d) Neither 1 nor 2

49. Which one of the following is not under the direct control of pituitary gland with respect to the regulation of its secretory function?

(a) Adrenal cortex (b) Adrenal medulla
(c) Thyroid (d) Testis

50. If the glomerular capillary pressure is 60 mm Hg, the pressure in Bowman's space 10 mm Hg and osmotic pressure 30 mm Hg, what would be the effective filtration pressure?
(a) 20 mm Hg (b) 40 mm Hg
(c) 60 mm Hg (d) 80 mm Hg

51. Which one of the following increases the uptake of sodium ions and water in the kidney with simultaneous elimination of potassium ions?
(a) Vasopressin (b) Renin
(c) Parathormone (d) Aldosterone

52. Consider the following statements:
Parasympathetic nervous system is characterized by 

1. Acetylcholine as neurotransmitter.
2. 'Fight or flight' activities.
3. Longer preganglionic fibres.
4. Longer postganglionic fibres.
5. Arising from cranio-sacral portion.

Which of the statements given above are correct?
(a) 1, 2 and 3 (b) 2 and 4
(c) 1,3 and 5 (d) 2,3 and 5

54. Which one of the following categories of enzymes converts triglycerides into glycerol and fatty acids?

(a) Hydrolase (b) Lyase
(c) Oxidoreductase (d) Transferase

55. Consider the following statements with reference to the only ape found in India i.e. Hylobates hoolock:

1. In India, it lives only in north-eastern region.
2. Its arms are more than double the length of its legs measured from hip heel.
3. It is purely herbivorous.

Which of the statements given above is/are correct?'
(a) 1 only (b) 1 and 2
(c) 2 and 3 (d) 1, 2 and 3

56. Which one of the following pairs is not correctly matched?
Wildlife Sanctuary State

(a) Eturnagaram - Tamil Nadu
(b) Bhagvan Mahavir - Goa
(c) Nandini - Jammu & Kashmir
(d) Narayan Sarovar - Gujarat

57. The sequence of transfer of electrons during biological oxidation of a substrate in mitochondrian is

(a) NAD -> Cytochrome a  -> Cytochrome c  -> O2,
(b) FAD  -> Cytochrome c  -> Cytochrome b  -> NAD  -> O2
(c) NAD  -> FAD  -> Cytochrome b  -> Cytochrome c  -> Cytochrome a3  -> O2
(d) FAD  -> NAD  -> Cytochrome c  -> Cytochrome a 3  -> O2

58. Consider the following statements:
Vitamin A deficiency in humans can lead to

1. atrophy of epithelial cells.
2. damage to intestinal mucosa.
3. defects in the dentine of teeth.

Which of the statements given is / are correct?
(a) 1 only (b) 1 and 2
(c) 2 and 3 (d) 1, 2 and 3

59. Which one of the following is a non-essential amino acid in the case of human beings?
(a) Arginine (b) Histidine
(c) Leucihe (d) Serine

61. Which one of the following is the most fundamental characteristic of the excitatory post-synaptic potential?

(a) Decreasing sodium ions
(b) Incresed permeability to ions
(c) Polarisation of membrane
(d) Incresed loss of potassium ions

Consider the following statements:
1. Adenosine triphosphate is made up of base adenine, sugar xylose and three phosphate groups.
2. Adenosine triphosphate has three ionizable protons in its condensed phosphate groups.

Which of he statements given above -is/are correct?
(a) 1 only (b) 2 only
(c) Both 1 and 2 (d) Neither I nor 2

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