PRACTICE PAPER for M B
ANSWER KEY PHYSICS
1. (c) •J (a) 3. (a) 4. (b) 5. (b) 6. (a) 7. (c) 8. (c) 9. (c) 10. (a) 11. (a) 12. (a) 13. (c) 14. (d) 15. (d) 16. (a) 17. (b) 18. (c) 19. (c) 20. (a)
21. (d) 22. (b) 23. (d) 24. (c) 25. (b) 26. (a) 27. (d) 28. (b) 29. (b) 30. (b) 31. (a) 32. (d) 33. (c) 34. (b) 35. (d) 36. (a) 37. (b) 38. (c) 39. (d) 40. (a) 41. (a) 42. (d) 43. (a) 44. (c) 45. (b) 46. (a) 47. (a) 48. (a) 49. (b) 50. (a)
CHEMISTRY
51. (b) (d) 53. (c) 54. (b) • 55. (d) 56. (a) 57. (d) 58. (a) 59. (a) 60. (C) 61. (a) 62. (d) 63. (d) 64. (a) 65. (a) 66. (C) 67. (c) 68. (c) 69. (b) 70. (a) 71. (d) 72. (b) 73. (d) 74. (a) 75. (b) 76. (d) 77. (b) 78. (a) 79. (c) 80. (d) 81. (b) 82. (b) 83. (d) 84. (c) 85. (b) 86. (d) 87. (b) 88. (c) 89. (b) 90. (d) 91. (c) 92. (b) 93. (d) 94. (c) 95. (b) 96. (b) 97. (a) 98. (a) 99. (a) 100.(a)
I BIOLOGY
101.(c) 102.(C) 103.(C) 104.(b) 105.(a) 106.(b) 107.(C) 108.(b) 109.(C) H0.(c) (b) 112(a) 113.(d) 114.(b) 115.(b) 116.(d) 117. (a) 118-(a) 119.(c) (b) 121.(d) 122.(c) 123.(C) 124.(a) 125.(C) 126.(a) 127.(b) 128.(d) (b) 130.(b) 131.(a) 132.(a) 133.(d) 134.(b) 135.(a) 136.(a) 137. (a) 138.(b) 139.( d ) 140.(d) 141.(c) 142.(C) 143.(b) 144.(a) 145.(c) 146.(a) 147. (d) 148,(d) 149.(C) 150.(C) 151.(d) 152.(a) 153.(a) 154.(d) 155.(d) 156.(d) 157. (b) 158.(c) 159.(a) (d) 161.(a) 162(a) 163 .(c) (b) 165.(d) 166.(C) 167. (d) 168.(a) 169.(a) (b) 171.(d) 172.(d) 173.(c) 174.(d) 175 .(b) 176.(c) 177.(d) 178,(b) 179.(C) 180.(c) 181.(d) 182 (b) 183.(d) 184.(c) 185.(C) 186.(d) 187. (a) 188.(d) 189.(d) 19Q.(b) 191.(a) 192.(b) 193 .(a) 194.(a) 195.(c) 196.(a) 197. (a) 198.(b) 199 .(d) 200.(a)
B I O L O G Y T O D A Y | NOVEMBER '08
By Anindya S. Ghtak
1. Find the saturated fatty acid that fails to get converted totally into Acetyl-CoA molecules by (3-oxidation
(a) caproic acid (b) arachidoic acid (c) valeric acid (d) all
The blood buffer system is controlled by an amino acid of Hb4; its chemical nature is
(a) acidic (b) basic (c) neutral (d) achiral T3 hormone is derived from an amino acid that consists
an -SH group (b) an imidazol ring two -COOH group & two -NH2 group
a phenolic-OH group.
The relatively abundant W.B.C found in blood next to neutrophil is
(a) monocyte (b) eosinophil lymphocyte (d) cyanophil. Find the components of micelles from the following protein (ii) fatty acid monoglycerides (iv) phospholipids (i),(iii) (b) (ii),(iii) (c) (i), (iv) (d) (ii),(i).
Scientist Von Behring worked on which kind of immunity? natural active (b) artificial active natural passive (d) artificial passive. Which of the following diseases is not related to pituitary malfunctioning?
(a) Sheehan's disease (b) panhypopituitarism (c) Larong type dwarfhism (d) virilism.
Here is the absorption rate of mono-saccharides within human intestine X > Y > Z
Now find the correct sequence of homo-polymers corresponding to X, Y & Z
(a) agar-agar, glycogen & Inulin glycogen, agar-agar & Inulin Inulin, glycogen & agar-agar cellulose, inulin & agar-agar. Find the justified option chalice cell- columnar
ependymocyte- ciliated cuboidal macula densa- columnar entero-chromaffin cell- cuboidal correct- (i), (ii) & (iv) (b) correct- (i), (iii) & (iv) (d)
3. (a) (0 (d) 4. (C) 5. (i) (iii) (a) 6. (a) (c) 7. (0 (d) 9. (i) (ii) (iii) (iv)
(a) wrong- (iii) & (iv) correct- (i), (ii) & (iii). (c)
Name the muscle within eye that gets constricted by the supply of cranio-sacral autonomic nervous system
(a) radial muscle (b) ciliary muscle (c) circular muscle (d) ellipsoid muscle. 11. Chief ketone body of blood is directly produced from (a) acetyl-CoA (b) acetoacetyl-CoA (c) acetoacetic acid
(d) hydroxy methyl glutaryl-CoA.
12. The placental hormone HCG will give positive response to (a) Barfoed's test (b) steroid test
(c) 15. (a) (c) 16. (a)' (0 (c) 20. (a) (b) (c) (d) 21. (b) (c) (d) 2 2 .
reduced filling phase first rapid filling phase. (c) rtinhydrin test (d) Seliwanoff's test.
13. The maximum saliva secreting salivary gland remains connected with buccal cavity by means of
(a) ducts of Stensen (b) ducts of Wharton (c) duct of Rivinus • (d) ducts of Santorini.
The glyco-protein hormone that increases aldosterone secretion is secreted from
(a) hassle's cell (b) polkisen cell J.G.cell (d) signet ring cell. The highest EEG frequency originates from
parietal & occipital lobe (b) frontal & limbic lobe parietal & temporal lobe (d) frontal & parietal lobe. The single unit smooth muscle of eye is innervated by abducens nerve (b) pathetic nerve oculomotor nerve (d) spinal accessory nerve. 17. 33% of pulse pressure equals to
(a) M P - S P (b) SP-DP (c) SP-MP (d) MP-DP. 18. Putamen is a part of-
(a) grey ramus (b) substantia nigra (c) basal nuclei (d) cerebral peduncle. 19. Which ofthe following phases of cardiac cycle is of maximum time duration?
(a) reduced ejection phase (b) Isometric relaxation period (d) 3rd heart sound takes place
48 mili-seconds after diastasis 32 mili-seconds before diastasis 54 mili-seconds before diastasis 59 mili-seconds after diastasis.
Out of 9 days for erythropoiesis, 7 days are needed for the maturation of
(a) haemocytoblast to normocyte megaloblast to reticulocyte haemocytoblast to reticulocyte megaloblast to normocyte.
In the Hb4 molecule, Fe & globin molecule remains adhered
by means of
(a) H-bonding (b) Ionic bonding (c) Ji-dative bonding (d) vanderwaal's force.
Alternative name for Vit-B7 is
(a) Vit-G (b) Vit-M (c) Vit-H (d) Vit-P. Which option is correct with respect to blood urea content?
(a) hepatic vein - less, renal vein - much pulmonary vein - less, hepatic vein - much hepatic vein - less, sub-clavian vein- much renal vein - less, hepatic vein - much. Specially diastolic pressure is not influenced by dopamine (b) nor-adrenaline serotonin (d) epinephrine. In sickle cell anemia, substitution occurs in between (b) (c) (d) 25. (a) (c) 26.
(a) an acidic amino acid & an aromatic amino acid (b) a basic amino acid & a neutral amino acid (c) a neutral amino acid & an acidic amino acid
(d) a sulphur containing amino acid & a basic amino acid. 27. The % amount of minute volume, transacted to each kidney per minute, is
(a) 15-16 (b) 29-30 (c) 24-25 (d) 22-23. 28. The neuro-hormone secreted from para-ventricular nucleus of Hypothalamus, has in its chemical structure
(a) 7 peptide bonds (b) 8 peptide bonds (c) 9 peptide bonds (d) 6 peptide bonds. 29. The carbohydrate responding to Seliwanoff's test, occurs in human body at
(a) mammary gland (b) liver
(c) seminal vesicle . (d) cerebral neurons. 30. Which option is correct on the basis of having p-1,4 linkage between two monomeric units ?
(i) sucrose (ii) cellobiose (iii) maltose (iv) lactose (v) peptidoglycan
(a) (i),(ii) & (v) but not (iii) & (iv) (b) (ii),(iii) & (iv) but not (i) & (v) (c) (ii),(iv) & (v) but not (i) & (iii) (d) (i),(iii) & (iv) but not (ii) & (v).
31. The enzymes of the intestinal glands act in the pH (a) 6.8 (b) 9.7 (c) 8.5 (d) 7.2.
The anti-viral drug used to destroy the ds DNA Hepatitis virus, is
(a) IFN-8 (b) IFN-(3 (c) IFN-a (d) IFN-y. 33. Mention the nuclear nature of the W.B.C that gives origin to microglia
(a) centric (b) multi-lobular (c) eccentric (d) acro-centric.
A B+ person's R.B.C surface contains
(a) a single xenogenic antigen (b) two autogenic antigens (c) a single allogenic antigen (d) two autologous antigens.
.''.The temperature of scrotal pouch remains normally at (a) 4° F less than normal body temp
•(b) 6° F higher than normal body temp (c) 5° F higher than normal body temp (d) 7° F less than normal body temp.
, Where will you be able to find oxysome? (a) myeloid body (b) neberkern (c) deutoplasm (d) nudeosome.
37. The steroidal hormone acting inversely to oxytocin, is secreted from
(a) corpus cardiacum (b) corpus haemorrhagicum (c) corpus luteum (d) graafian follicle. 38. 'RAAS' acts against a hormone, chemical nature of which is (a) steroid (b) sphyngolipid (c) polypeptide (d) catecholamine. 39. In male body, the production of oestrogen takes place at (a) Leydig's cell, adrenal cortex & graafian follicle
(b) liver, adrenal cortex & renal medulla (c) adrenal cortex, secondary oocyte & liver (d) liver, sustentacular cell & adrenal cortex.
40. An artificial progesterone viz. 19-nor progestin is considered to be proatherogenic; its function is to
(a) lower blood LDL level (b) increase blood HDL level (c) lower blood HDL level (d) lower blood VLDL level. 41. Mention the chemical nature of the hormone & the chemical affinity of its secreting cells, by the influence of which Ovulation takes place in female body
(a) protein & acidophilic (b) glycoprotein & acidophilic (c) protein & basophilic (d) glycoprotein & basophilic. 42. The amount of deutoplasm in human egg is
(a) macro (b) micro (c) nil (d) moderate. 43. What is the pH difference between C.S.F & Glomerular filtrate?
(a) 1.2 . (b) 1 (c) 0 (d) 1.26. 44. The main difference between epinephrine (A) & nor- epinephrine (NA) is that
(a) NA has a -CH3 gr. that is lacked by A
(b) A has a-SH gr. that is lacked by NA (c) A has a -CH3 gr. that is lacked by NA
(d) NA has a -SH gr. that is lacked by A. 45. Expiration is related to
(a) apneustic nucleus & external intercostal muscle (b) pneumotaxis nucleus & external intercostal muscle (c) apneustic nucleus & internal intercostal muscle (d) pneumotaxis nucleus & internal intercostal muscle. . 46. The portion located beneath the hardest part of our body, is
secreted by
(a) fibroblast (b) amyloblast (c) trichoblast (d) odontoblast. 47. The mesengial cell originates from embryonic (a) (c) (c) 49 (b) mesoderm (d) neural plate. cardio-vascular system excretory system. ectoderm endoderm
48. The term Pericyte is related to
(a) alimentary system (b) nervous system (d)
If a snake poison is found to be lowering BP (blood pressure) of a healthy person, then the condition of his B.M.R will (a) Increases (b) remains as before (c) decreases (d) unpredictable.
50, Find the correct option that' contains the endocrinal diseases in which blood glucose level decreases.
(i) basedow's disease (ii) gull's disease (iii) rretinism (iv) addison's disease (V) cushing's disease (vi) adrenal virilism (vii) colloid goiter (viii) gigantism (a) (i)M(vi) & (viii) (b) (ii),(iv),(vi) & (vii) (c) (ii),(iii),(iv) & (vii) (d) (i),(iii),(iv)&(viii)