aiats medical 2014 test-9 solution
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AIATS Medical 2014 Test-9 SolutionTRANSCRIPT
Test - 9 (Answers & Hints ) All India Aakash Test Series for Medical-2014
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TEST – 9
ANSWERS1. (2)2. (3)3. (4)4. (4)5. (1)6. (1)7. (3)8. (2)9. (4)10. (2)11. (2)12. (1)13. (2)14. (3)15. (4)16. (3)17. (4)18. (3)19. (3)20. (2)21. (1)22. (4)23. (2)24. (4)25. (2)26. (1)27. (4)28. (3)29. (3)30. (1)31. (4)32. (2)33. (4)34. (1)35. (2)36. (4)
37. (4)38. (1)39. (2)40. (3)41. (3)42. (1)43. (2)44. (3)45. (1)46. (3)47. (1)48. (1)49. (1)50. (3)51. (2)52. (1)53. (2)54. (2)55. (1)56. (1)57. (1)58. (4)59. (2)60. (1)61. (1)62. (2)63. (1)64. (3)65. (4)66. (3)67. (3)68. (3)69. (1)70. (4)71. (1)72. (1)
73. (1)74. (1)75. (4)76. (1)77. (4)78. (2)79. (3)80. (1)81. (1)82. (3)83. (3)84. (2)85. (4)86. (1)87. (2)88. (4)89. (2)90. (1)91. (3)92. (1)93. (3)94. (3)95. (4)96. (2)97. (3)98. (1)99. (4)100. (3)101. (3)102. (3)103. (2)104. (3)105. (2)106. (2)107. (3)108. (2)
109. (2)110. (2)111. (3)112. (2)113. (4)114. (1)115. (3)116. (3)117. (4)118. (1)119. (2)120. (1)121. (2)122. (3)123. (4)124. (3)125. (2)126. (2)127. (3)128. (1)129. (3)130. (2)131. (4)132. (3)133. (2)134. (4)135. (1)136. (3)137. (2)138. (2)139. (3)140. (2)141. (4)142. (3)143. (2)144. (3)
145. (2)146 (4)147. (3)148. (3)149. (2)150. (2)151. (2)152. (4)153. (3)154. (4)155. (4)156. (4)157. (2)158. (3)159. (2)160. (3)161. (3)162. (2)163. (3)164. (2)165. (4)166. (4)167. (3)168. (1)169. (3)170. (1)171. (4)172. (1)173. (3)174. (4)175. (3)176. (4)177. (2)178. (2)179. (4)180. (3)
All India Aakash Test Series for Medical-2014 Test - 9 (Answers & Hints)
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Hints to Selected Questions[ PHYSICS]
1. Answer (2)
Gravitational potential Potential energy
Mass=
Latent heatHeat energy
Mass=
2. Answer (3)
2g T Lg T LΔ Δ Δ
= +
3. Answer (4)
Equations involving addition, subtraction anddimensionless quantities cannot be derived.
4. Answer (4)
1 22ut tg
+ =
5. Answer (1)
For equal changes in velocities, ratio of distancesfrom rest are 1 : 3 : 5 : ......
6. Answer (1)
Slope of the position versus time graph increasesgraphically.
7. Answer (3)
If R = nH, angle of projection, 1 4tann
− ⎛ ⎞θ = ⎜ ⎟⎝ ⎠
.
8. Answer (2)
Diagonals of rhombus are perpendicular to eachother.
9. Answer (4)
602 sin 2 20 sin 20 m/s2 2
v v θ °Δ = = × × =
10. Answer (2)
FBA = 3 × a = 163 6 N3 5
× =+
11. Answer (2)
fL = 0.5 × 4 g = 20 N,
Driving force = 1 g = 10 N
Body is at rest so static friction is acting on body.
12. Answer (1)
Normal reaction provides all necessary forces.
13. Answer (2)
14. Answer (3)
2 2duF rdr
= − = − +
For equilibrium, F = 0 ⇒ r = 1 m
15. Answer (4)
Exchange of velocities.
16. Answer (3)
1 1 2 2CM
1 2
m v m vv
m m+
=+
17. Answer (4)
2
2
sin
1
gakr
θ=
+
18. Answer (3)
No external torque is acting in the system.
19. Answer (3)
KE = – ME = PE2
20. Answer (2)
mgRhWR h
=+
21. Answer (1)
r < R 3inGMrER
=
r = R 2sGMER
=
r > R2
GMEr
=
22. Answer (4)
0 0.5≤ σ ≤
23. Answer (2)
W1 : W2 : W3 : W4 : ...... = 1 : 3 : 5 : .....
For consecutive equal elongations.
Test - 9 (Answers & Hints ) All India Aakash Test Series for Medical-2014
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24. Answer (4)
25. Answer (2)
Balloon gets thrust in vertically upward directionalong with the thrust in horizontally to the right.
26. Answer (1)
27. Answer (4)
28. Answer (3)
2 1
4 4 4T T Tpr r r
Δ = = −
29. Answer (3)
Melting of ice will be incomplete.
30. Answer (1)
1 2 3 50°C3
θ + θ + θθ = =
31. Answer (4)
Random motion of gas molecules.
32. Answer (2)
1 1 2 2 1 2max
1 2 2n F n F F F
Fn n+ +
= =+
and 22vFC R R= = .
33. Answer (4)
10dpB V CdV B
= − = ⇒ = = ∞
34. Answer (1)
2max
1
300 11 1 0.25 25%400 4
TT
η = − = − = = =
35. Answer (2)
36. Answer (4)
37. Answer (4)
V
P
O
T3T2
T1
T3 > T2 > T1
38. Answer (1)
39. Answer (2)
2 2 2 2 21 1 1( )2 2 2
m A y m A⎛ ⎞ω − = ω⎜ ⎟⎝ ⎠
40. Answer (3)
2 21 2A a a= +
41. Answer (3)
2 mTk
= π
Now, k′ = 4k
24 2m TTk
′ = π =
42. Answer (1)
314 100 m/s3.14
vkω
= = =
43. Answer (2)
44. Answer (3)
3000 320 3200 Hz320 20s
nvnv v
×′ = = =− −
45. Answer (1)
HCF is the fundamental.
[ CHEMISTRY ]46. Answer (3)47. Answer (1)
Fact.48. Answer (1)
Fact.49. Answer (1)
2 2 2 2 2 2 2A A A B B B A BP . M (n n ) P . M .(n n )P P
2 2
BA B
A
MP P
M
2 2 2A B B24P P 1.2 P20
50. Answer (3)
C + O2 ⎯→ CO2
32 g 22.4 L
8 g 5.6 L
2KClO3 ⎯→ 2KCl + 3O2
2 × 122.5 g 3 × 32 g
20.34 g 8 g
All India Aakash Test Series for Medical-2014 Test - 9 (Answers & Hints)
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51. Answer (2)In benzyne all C atoms are sp2 hybridised.
52. Answer (1)
Br
Br
being symmetrical its dipole moment is zero.
53. Answer (2)Fact.
54. Answer (2)
1Vn
55. Answer (1)
H PO3 3
+3H PO + PH3 4 3
+5 –3
6
2M M 2M
Eq. M = 6 2 3
n-factor = 32
56. Answer (1)Fact.
57. Answer (1)
To have the total charge on the silicate to be zero3 Ca2+ must be present.
58. Answer (4)
Change in concentration has no effect on the pH ofsolution of salt of weak acid and weak base.
59. Answer (2)
60. Answer (1)
61. Answer (1)
Fact.
62. Answer (2)
Fact.
63. Answer (1)
64. Answer (3)
65. Answer (4)
Water remain neutral at all temperatures though itspH changes.
66. Answer (3)
Fact
67. Answer (3)
AB2lp3 type of structure are linear.
68. Answer (3)
69. Answer (1)
KMnO /H4+
COOH
70. Answer (4)
CH CH CH CH3 2 2 2 OH,
CH CH CH OH3 2
CH3
,
CH CH CH CH3 2 3, CH C CH3 3
CH3
OHOH
,
CH CH O CH3 3,
CH3
CH CH CH O CH3 2 2 3,
CH CH O CH CH3 2 2 3
71. Answer (1)
C CH 1% HgSO4
20% H SO2 4
C CH2
C CH3
OH
O
Tautomerism
72. Answer (1)Fact
73. Answer (1)74. Answer (1)75. Answer (4)76. Answer (1)
Least charge separation.77. Answer (4)
Cis and trans.
Test - 9 (Answers & Hints ) All India Aakash Test Series for Medical-2014
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[ BIOLOGY ]
78. Answer (2)Only terminal alkynes with acidic hydrogen give thistest.
79. Answer (3)Fact
80. Answer (1)81. Answer (1)
IUPAC - rule82. Answer (3)
It forms sodium meta aluminate.83. Answer (3)
H C O + HI2 2 4 C H2 6
–3+3
12No. of gram equivalent of HI = 12
91. Answer (3)
92. Answer (1)
Category which contains related order is class.
93. Answer (3)
Spirogyra – Plantae
Nostoc, Anabaena – Monera
Mucor, Puccinia – Fungi
Euglena, Noctiluca – Protista
94. Answer (3)
Spore, unfavourable conditions.
95. Answer (4)
Linnaeus system.
96. Answer (2)
Sporangiospore, zoospore, conidia – Asexual spore.
97. Answer (3)
Fossil evidence – Phylogenetic system
98. Answer (1)
Ectocarpus – Filamentous branched
99. Answer (4)
Bryophytes – Liverworts + Mosses
Pteridopyte – Ferns + Horse tails
Gymnosperms – Cycads + Conifers
Angiosperms – Monocots + Dicots
100. Answer (3)
Sporic meiosis is present in bryophytes,pteridophytes, gymnosperms, angiosperms.
101. Answer (3)
Dryopteris – Ferns – Frond – Large size leaf.
102. Answer (3)
Turmeric – Underground storage stem.
103. Answer (2)
(a) Unipinnate leaf of neem.
(b) Palmate leaf of silk cotton tree.
104. Answer (3)
Plum, rose – Perigynous
Guava – Epigynous.
105. Answer (2)
Fabaceae family.
106. Answer (2)
Lignin thickening.
107. Answer (3)
Only green cells of epidermis are guard cells.
108. Answer (2)
Bundle cap – Dicot – Sclerenchymatous pericycle
Bundle sheath – Monocot – Sclerenchyma
84. Answer (2)Volume strength = 5.6 × N
N = 3.57
85. Answer (4)
All have vacant orbital.
86. Answer (1)
Fact.
87. Answer (2)
88. Answer (4)
89. Answer (2)
Fact.
90. Answer (1)
CaCO3(s) → CaO(s) + CO2(g) ↑
All India Aakash Test Series for Medical-2014 Test - 9 (Answers & Hints)
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109. Answer (2)110. Answer (2)
80S ribosomes are formed by nucleolus.111. Answer (3)112. Answer (2)113. Answer (4)
Fluid nature of membrane is due to the mobility ofprotein and lipids.
114. Answer (1)More clearly visible tetrad, recombination nodule,crossing over.
115. Answer (3)116. Answer (3)
2n = 46 chromosome.In S-phase each chromosome will have twochromatids, so total number of chromatids are2 × 46 = 92.
117. Answer (4)All are correct.
118. Answer (1)Specific, for hydrophilic molecule, no energy used,transport saturation present.
119. Answer (2)Guttation.
120. Answer (1)Phloem transport is bidirectional because source andsink relationship can be variable.
121. Answer (2)122. Answer (3)
Leghaemoglobin activates the nitrogenase.123. Answer (4)
Mainly NO3– is absorbed.
124. Answer (3)Macroelements, microelements.
125. Answer (2)126. Answer (2)
PS II - P680, PS I - P700
127. Answer (3)Ribulose 1, 5, bisphosphate.
128. Answer (1)Maize – C4 plant – Bundle sheath cell, mesophyllWheat – C3 plant – Mesophyll cell
129. Answer (3)
130. Answer (2)
Pyruvate Acetyl CoA
NAD+
NADH CO2
CoA
131. Answer (4)Cytochrome a–a3 complex.
132. Answer (3)0.7 – Fat> 1 – Organic acid1 – Carbohydrates
133. Answer (2)Cytokinin counteracts apical dominance.
134. Answer (4)Secondary meristem.
135. Answer (1)136. Answer (3)
Enzymes generally function in a narrow range oftemperature and pH. Each enzyme shows itshighest activity at a particular temperature and pHcalled as the optimum temperature and optimum pH.With the increase in substrate concentration, thevelocity of the enzymatic reaction rises at first. Thereaction ultimately reaches maximum velocity (Vmax)which is not exceeded by any further rise inconcentration of the substrate.
137. Answer (2)The excess of secretion of growth hormone afteradolescence causes excessive growth of the bonesof limbs and lower jaw, and the person has gorillalike appearance.
138. Answer (2)Overproduction of hormones by adrenal cortexcauses Cushing’s syndrome and Conn’s disease.Cortisol stimulates RBC production causingpolycythemia.
139. Answer (3)Marasmus occurs in children less than one year ofage. Whereas, kwashiorkor occurs in children morethan one year of age.
140. Answer (2)Tunica media is comparatively thin in veins becausesmooth muscles are negligible.
141. Answer (4)
Coenzymes are nucleotides of vitamins.
Test - 9 (Answers & Hints ) All India Aakash Test Series for Medical-2014
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142. Answer (3)
Estrogen hormone is a lipophilic hormone, whichdirectly enters inside the cell and does not generatea second messenger. It binds with intracellularreceptors in nucleus.
143. Answer (2)Point A in the graph indicates depolarisation andpoint C in the graph indicates repolarisation.
144. Answer (3)145. Answer (2)
Hypoxia is one of the factors which stimulates theJG cells to release erythropoietin hormone, tostimulate erythropoiesis.
146 Answer (4)147. Answer (3)
Knee joint, ankle joint and elbow joint all are theexamples of hinge joint.
148. Answer (3)149. Answer (2)
150. Answer (2)151. Answer (2)
152. Answer (4)Ciliated epithelium move particles, cells or mucus ina specific direction over the epithelium.
153. Answer (3)
154. Answer (4)Stratified compound epithelium covers the drysurface of the skin, buccal cavity, pharynx, ducts ofsalivary and pancreatic glands. A, B and C all aresimple epithelial tissues.
155. Answer (4)
The single letter Y depicts tyrosine amino acid.156. Answer (4)
A is nucleoside (adenosine).B is uracil.C is adenine (purine).
D is nucleotide (adenylic acid) i.e., AMP.157. Answer (2)158. Answer (3)
The diagram illustrated in the choice number three isof Ophiura (brittle star).
159. Answer (2)In Ascaris males are shorter than females and thetail is curved.In Hippocampus, males bear a brood pouch.
160. Answer (3)161. Answer (3)162. Answer (2)
Pivot joint is present between atlas and axis.Between the skull and atlas ellipsoid joint ispresent.
163. Answer (3)164. Answer (2)165. Answer (4)
Chameleon is tree lizard, with prehensile tail.166. Answer (4)167. Answer (3)
In female cockroach ovaries are present in 2 to 6thabdominal segments.
168. Answer (1)169. Answer (3)170. Answer (1)171. Answer (4)172. Answer (1)173. Answer (3)
Collagen is the most abundant protein in animalworld. The most abundant protein in biosphere isRUBISCO.
174. Answer (4)175. Answer (3)176. Answer (4)
Rods are evenly distributed all over the retina.Whereas, cones are more concentrated in the centreof retina.
177. Answer (2)Lymph can coagulate, it has fibrinogen and calcium.
178. Answer (2)179. Answer (4)
Hippocampus is bony fish.180. Answer (3)
All the enzymes of intestinal juice are brush borderenzymes.