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TRB – P.G. ASSISTANT EXAM – 02.07.2017 07 – ZOOLOGY TENTATIVE KEY ANSWERS (REVISED) Booklet Series – A

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1. B) Z-DNA – Right handed helix 2. C) Phospho-diester bonds 3. C) Sereocilia do not contain microtubules 4. C) RNAse H 5. B) IAIO 6. B) Invertase -Sucrose 7. C) Pepsin - Gastric gland-protein 8. C) Vermiform appendix is made up of

lymphatic tissue 9. A) Q10= (K2/K1)[10/(T2-T1)]. 10. D) Ventricular repolarisation 11. D) Intestine 12. B) Mammals 13. B) Sporozoites, schizont, merozoites,

meta cryptozoites 14. B) Cysticercus 15. C) Seminal vesicle is found in male

pigeon 16. B) Pantothenic acid 17. B) faster and more exergonic than

reaction 2 18. B) (iv) (iii) (ii) (i) 19. A) (a) 2015;2011 (b) 640 20. A) HO; X2 value is less than the table

value 21. B) Cladogenesis / divergent evolution 22. D) Division of labour 23. B) Kinesis 24. C) Members of different subspecies don’t

interbreed even when brought together 25. C) (a) and (c) 26. C) epinephrine 27. B) Arrhenotoky 28. D) Both (A) and (B) are false 29. A) IgE 30. D) (iv) (i) (v) (ii) (iii) 31. B) (iv) (iii) (i) (ii) (v) 32. C) Founder effect 33. C) Orthologous 34. B) Slow 35. B) Palearctic and Oriental regions 36. C) (a) and (c) only 37. C) HOX

38. B) Cowper’s gland / No Answer 39. C) Uterus 40. C) Fovea centralis 41. B) (b) only 42. A) (d) and (c) only 43. B) a-Stabilizing; b- Disruptive 44. B) (v) (iii) (iv) (i) (ii) 45. A) Ranthambore National Park 46. A) Lotka – Volterra model 47. C) Epilimnion and Hypolimnion 48. B) (A) and (R) are true; (R) is the correct

explanation for (A). 49. C) CD16 50. B) Type II Hypersensitivity reaction 51. A) Homo erectus 52. C) water vapour, methane, ammonia,

hydrogen 53. A) Mundanthurai 54. C) Tadytelic rate 55. A) Silurian - Palaeozoic 56. B) Parasitic food chain 57. A) Littoral zone 58. A) Koel and crow 59. C) Ramsar, Iran 60. A) (iii) (v) (iv) (ii) (i) 61. D) Mitochondria 62. A) Arginine 63. C) Rough endoplasmic reticulum 64. C) rRNA + Proteins 65. C) 23 S rRNA 66. B) Crossing-over occurs within the alleles

of a same series 67. B) Synapsis – duplication – crossing over

– terminalization. 68. D) Purelines and homozygotes 69. B) α - 1 antitrypsin 70. B) (iv) (ii) (i) (iii) 71. D) Conversion of ATP into ADP 72. B) Prosencephalon, Deuteroncephalon,

Mesencephalan, Rhombeacephalon 73. A) (A) and (R) are true; (R) is the correct

explanation for (A). 74. A) (iv) (iii) (v) (i) (ii)

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HOLYCROSS STUDY POINT, DHARMAPURI (9791371444, 8675920888,)

TRB – P.G. ASSISTANT EXAM – 02.07.2017 07 – ZOOLOGY TENTATIVE KEY ANSWERS (REVISED) Booklet Series – A

9500881414 / bioashok2007@gmail.com / bioashok.blogspot.in

75. C) TNF-α 76. C) Tunicin 77. C) Schistosoma 78. D) Tornaria and Redia 79. B) Plasmodium falciparum 80. A) Metagenesis 81. B) Ribose ; Dihydroxyacetone 82. C) 16 83. C) Hendersen – Hasselbach equation 84. D) Carnitine 85. B) It has high dielectric constant 86. A) John Belling 87. C) Phenylalanine hydroxylase and PKU 88. D) Green, white and variegated progeny 89. C) Terminalisation of chiasma 90. B) Caedobacter taenospiralis 91. A) (p) r=0, (q) r=close to +1 or -1 92. B) The variables (X and Y) are positively

correlated 93. C) r=0.815 94. C) Class frequency 95. B) 33 96. D) Anabas 97. B) (iv) (iii) (ii) (i) 98. C) (iii) (iv) (v) (ii) (i) 99. C) 173.6 cm 100. C) Z -DNA 101. D) r = +1 102. A) A-27O B- 162O AB-72O O-99O 103. B) The variables in t-distribution range

from -1 to +1 104. A) Shrinks due to exosmosis 105. A) Symport 106. B) Duodenum 107. B) as bicarbonates 108. A) Stenohaline 109. B) actin and ATP 110. B) Vitamin E 111. A) Abdul Ghaffar Khan 112. C) Grade skipping 113. B) Personality Profile 114. C) Flash-card 115. A) trans-situational

116. C) Sri Aurobindo 117. A) 21 May 2015 118. B) Rogers and Shoemaker 119. B) Socialist, Secular and Integrity 120. A) 1980 121. C) 1979 122. D) Autonomous Schools : A reality 123. A) Mand 124. D) reinforcement in perceptual learning 125. B) Sequence 126. A) 1996 127. B) 1974 128. A) Presentation Portfolio 129. A) Social Cognition 130. B) Classical Conditioning 131. C) Making the system work better 132. D) Noam Chomsky 133. B) Ogden Lindsley 134. D) Recognition and Reconstruction 135. D) May, 1961 136. B) Stimulus discrimination 137. C) Empiricism 138. C) Traits 139. A) E.L. Thorndike 140. D) Robert White 141. A) Silver Iodide 142. B) Centrifugation 143. A) (iii) (i) (ii) (iv) 144. D) Foot Ball 145. B) Aurangzeb 146. D) (iv) (iii) (i) (ii) 147. C) (iv) (ii) (i) (iii) 148. B) Chola 149. C) Blue 150. C) Sikkim

Expected cut-off = 87 ± 5 All the Best

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