ANSWERS - dcx0p3on5z8dw.cloudfront.net · All India Aakash Test Series for Medical-2018 Test - 5 (Code-C) (Answers & Hints) 2/7 Hints to Selected Questions [PHYSICS] 1. Answer (3)
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Test - 5 (Code-C) (Answers & Hints) All India Aakash Test Series for Medical-2018
1/7
1. (3)
2. (2)
3. (4)
4. (2)
5. (3)
6. (3)
7. (2)
8. (2)
9. (1)
10. (1)
11. (2)
12. (2)
13. (3)
14. (1)
15. (2)
16. (2)
17. (4)
18. (1)
19. (4)
20. (1)
21. (4)
22. (2)
23. (1)
24. (2)
25. (3)
26. (1)
27. (3)
28. (3)
29. (1)
30. (3)
31. (1)
32. (2)
33. (3)
34. (1)
35. (3)
36. (2)
37. (3)
38. (3)
39. (1)
40. (3)
41. (3)
42. (1)
43. (2)
44. (4)
45. (2)
46. (4)
47. (4)
48. (4)
49. (3)
50. (2)
51. (4)
52. (1)
53. (4)
54. (1)
55. (1)
56. (4)
57. (3)
58. (3)
59. (3)
60. (3)
61. (2)
62. (4)
63. (4)
64. (3)
65. (3)
66. (1)
67. (2)
68. (1)
69. (1)
70. (2)
71. (3)
72. (1)
73. (2)
74. (1)
75. (1)
76. (4)
77. (3)
78. (3)
79. (4)
80. (4)
81. (1)
82. (3)
83. (2)
84. (1)
85. (3)
86. (2)
87. (2)
88. (4)
89. (1)
90. (2)
91. (4)
92. (3)
93. (3)
94. (2)
95. (3)
96. (1)
97. (4)
98. (3)
99. (3)
100. (2)
101. (4)
102. (3)
103. (4)
104. (2)
105. (3)
106. (4)
107. (4)
108. (1)
109. (2)
110. (3)
111. (4)
112. (2)
113. (2)
114. (2)
115. (3)
116. (1)
117. (1)
118. (4)
119. (2)
120. (4)
121. (4)
122. (3)
123. (3)
124. (4)
125. (2)
126. (4)
127. (3)
128. (2)
129. (3)
130. (4)
131. (3)
132. (4)
133. (3)
134. (4)
135. (1)
136. (4)
137. (4)
138. (2)
139. (3)
140. (4)
141. (3)
142. (3)
143. (1)
144. (2)
145. (4)
146. (3)
147. (2)
148. (2)
149. (1)
150. (3)
151. (3)
152. (3)
153. (1)
154. (1)
155. (3)
156. (2)
157. (3)
158. (3)
159. (1)
160. (2)
161. (3)
162. (2)
163. (2)
164. (2)
165. (1)
166. (1)
167. (2)
168. (4)
169. (2)
170. (2)
171. (3)
172. (4)
173. (4)
174. (2)
175. (3)
176. (3)
177. (2)
178. (2)
179. (4)
180. (1)
ANSWERS
TEST - 5 (Code-C)
All India Aakash Test Series for Medical-2018
Test Date : 22-01-2017
All India Aakash Test Series for Medical-2018 Test - 5 (Code-C) (Answers & Hints)
2/7
Hints to Selected Questions
[ PHYSICS]
1. Answer (3)
4
3g RG
2. Answer (2)
m 4mr
A x c B( – )r x
2 2
(4 )
( )
Gm G m
x r x
3
rx
3GmV
r
3. Answer (4)
4. Answer (2)
21
21
mghmv
h
R
⎛ ⎞⎜ ⎟⎝ ⎠
5. Answer (3)
6. Answer (3)
2 2 2
ev v v
7. Answer (2)
5/2
kF
r
2
5/2
mv k
r r
2 rT
v
2 7/2T r
8. Answer (2)
E = –KE
9. Answer (1)
dvI
dr
10. Answer (1)
1 1 1 2 2
2 2 2 1 1
l F l A Y
l F l A Y
11. Answer (2)
PVB
V
12. Answer (2)
l
l/2
2
2 2
mgl gll l
AY AY
⇒
13. Answer (3)
2 1y
14. Answer (1)
15. Answer (2)
16. Answer (2)
A1V1 = na
2v2
17. Answer (4)
18. Answer (1)
19. Answer (4)
20. Answer (1)
2/3
Tv n v
21. Answer (4)
22. Answer (2)
2
12
mlI
2l l
l l
= 2IT
2
3
I T
23. Answer (1)
F Ay T
24. Answer (2)
1
2Tt
Test - 5 (Code-C) (Answers & Hints) All India Aakash Test Series for Medical-2018
3/7
25. Answer (3)
26. Answer (1)
Insufficient heat at MP.
27. Answer (3)
28. Answer (3)
29. Answer (1)
nR T w 30. Answer (3)
1 2 1 2( ) Q Q W W
31. Answer (1)
W P dV ∫0
0
3
4 ∫V
V
V dV
W = 16V0
2
32. Answer (2)
33. Answer (3)
P
V
CQ
U C
34. Answer (1)
1 1
2 2 1 1
r rT V TV
35. Answer (3)
2
1 1
1T W
T Q
36. Answer (2)
Polytropic process (n = –1)
,1
n
v
RPV K C C
n
37. Answer (3)
VPr = Constant
0V P
rV P
⇒
P P
V r
V
⇒
⎛ ⎞⎜ ⎟⎝ ⎠
38. Answer (3)
39. Answer (1)
1 2
eq2
K K
K
40. Answer (3)
L
B
LA
2L
D
C
100°C 40°CH1
H2
HH H1 2 + = H
100 40 20
2
2
T T T
l L L
kA kA kA
41. Answer (3)
Use Newton's law of cooling
1 2 1 2
02
T T T Tk T
t
⎛ ⎞ ⎜ ⎟⎝ ⎠
42. Answer (1)
43. Answer (2)
m
T = b = Wein's constant
44. Answer (4)
45. Answer (2)
[ CHEMISTRY]
46. Answer (4)
3 2CaCO CaO(s) CO (g)
There is no change in oxidation state.
47. Answer (4)
2PbO + 4HCl 2PbCl2 + 2H
2O
(Acid-base reaction)
PbO2 + 4HCl PbCl
2 + Cl
2 + 2H
2O
(Redox reaction)
48. Answer (4)
H2SO
5 : O has –1 and –2 O.S.
H2S2O3 : S has 0 and +4 O.S.
CaOCl2 : Cl has +1 and –1 O.S.
49. Answer (3)
CrO2
– : +3; ClO3
– : +5
CrO4
2– : +6; MnO4
– : +7
All India Aakash Test Series for Medical-2018 Test - 5 (Code-C) (Answers & Hints)
4/7
50. Answer (2)
Fact.
51. Answer (4)
Fact.
52. Answer (1)
Average oxidation state of oxygen =2( 1 2 2 2)
8
= –1.75
53. Answer (4)
o
CellEMF =
o oCathode (RP) Anode (RP)E E
= 0.80 – 0.34
= 0.46 V
54. Answer (1)
H – O – S – O – O – H; S has O.S. + 6
O
O
55. Answer (1)
Acidic medium :
KMnO4 Mn2+
ME
5
Basic medium :
KMnO4 K
2MnO
4
ME
1
56. Answer (4)
57. Answer (3)
Fact.
58. Answer (3)
'B' has incomplete octet.
59. Answer (3)
Fact.
60. Answer (3)
Group 7 to 9 is known as hydride gap because
elements of these group do not form hydrides.
61. Answer (2)
Fact.
62. Answer (4)
63. Answer (4)
2H2O2 2H
2O + O
2(g)
68 g 22.7 L at STP
105 g 500 mL at STP
64. Answer (3)
Fact.
65. Answer (3)
H2SO
4 is a stronger acid and can act as a catalyst
and this decomposes H2O2, thus weak acid such
as H3PO
4 is preferred over H
2SO
4.
66. Answer (1)
1 100 5.6V 56 mL
10
67. Answer (2)
Fact.
68. Answer (1)
Fact.
69. Answer (1)
70. Answer (2)
71. Answer (3)
Fact.
72. Answer (1)
The stability of peroxide and superoxide of alkali
metals increases as we go down the group.
73. Answer (2)
2NH4Cl + Ca(OH)
2 2NH
3 + CaCl
2 + 2H
2O
74. Answer (1)
Fact.
75. Answer (1)
76. Answer (4)
77. Answer (3)
AlCl3 exist as dimer in solid state (sp3).
Al Al
Cl
Cl
Cl Cl
Cl Cl
But in aqueous medium, it produces [Al(H2O)
6]3+
and Cl–(aq).
78. Answer (3)
Test - 5 (Code-C) (Answers & Hints) All India Aakash Test Series for Medical-2018
5/7
79. Answer (4)
BF3 + 3LiAlH
4 B
2H6 + 3LiF + 3AlF
3
B2H6 + 6H
2O 2H
3BO
3 + 6H
2
B2H6 + 3O
2 B
2O3 + 3H
2O
80. Answer (4)
Fact.
81. Answer (1)
82. Answer (3)
83. Answer (2)
84. Answer (1)
Fact.
85. Answer (3)
Fact.
86. Answer (2)
87. Answer (2)
Fact.
88. Answer (4)
Due to least extent of back-bonding.
89. Answer (1)
Due to back bonding in BF3, B – F bond length in
BF3 is shorter than that in BF
4
–.
90. Answer (2)
Borax contains only 8H2O molecules.
[ BIOLOGY
]
91. Answer (4)
a – Elaioplast
b – Polysome
92. Answer (3)
Centriole makes its own copy.
93. Answer (3)
Both mitochondria and plastid have 70 S ribosome,
double membrane and circular DNA.
94. Answer (2)
95. Answer (3)
Mitochondria is not included in endomembrane
system.
96. Answer (1)
Non-polar molecules can pass through the lipid
bilayer.
97. Answer (4)
98. Answer (3)
99. Answer (3)
RER has a continuous connection with outer
membrane of nucleus.
100. Answer (2)
101. Answer (4)
Prokaryotic cells have 70 S ribosome.
102. Answer (3)
103. Answer (4)
Ribosome and centriole are non-membranous
organelles.
104. Answer (2)
105. Answer (3)
Secondary wall in plant cell is located inside the
primary wall.
106. Answer (4)
107. Answer (4)
108. Answer (1)
109. Answer (2)
Acrocentric
110. Answer (3)
A – Inner membrane
B – Outer membrane
C – Matrix
D – Inner membrane space
111. Answer (4)
Cytoskeleton are involved in many function such as
mechanical support, motility, maintenance of shape
of cell.
112. Answer (2)
113. Answer (2)
114. Answer (2)
Ribosome is present in both prokaryotic and
eukaryotic.
All India Aakash Test Series for Medical-2018 Test - 5 (Code-C) (Answers & Hints)
6/7
115. Answer (3)
116. Answer (1)
Equational division also occurs in some haploid cell
like in case of some lower plants and in some
social insects.
117. Answer (1)
118. Answer (4)
In G0-phase, cell is metabolically active.
119. Answer (2)
120. Answer (4)
121. Answer (4)
122. Answer (3)
2 picogram
123. Answer (3)
Mitogen induce mitosis.
124. Answer (4)
125. Answer (2)
Diakinesis represents transition of metaphase.
126. Answer (4)
127. Answer (3)
128. Answer (2)
129. Answer (3)
130. Answer (4)
DNA duplication occurs in nucleus.
131. Answer (3)
132. Answer (4)
133. Answer (3)
134. Answer (4)
Telophase I is called a dyad of cells.
135. Answer (1)
136. Answer (4)
Residual volume cannot be measured by spirometry
as it cannot be expired out.
VC = ERV + TV + IRV
It does not included RV.
137. Answer (4)
138. Answer (2)
139. Answer (3)
Finer dust particles are trapped in mucus. Dust cells
are located in alveoli. Cilia propel the mucus trapped
particles upwards.
140. Answer (4)
Epiglottis is made up of elastic cartilage.
141. Answer (3)
142. Answer (3)
Abdominal breathing is normal breathing at rest
mostly involving contractions of diaphragm.
Abdominal muscles and internal intercostal muscles
are involved in forceful thoracic breathing.
143. Answer (1)
[Tidal volume – Respiratory dead space volume]
reaches into the alveoli (350 mL).
Alveolar ventilation is
Alveolar volume × Breathing rate
144. Answer (2)
The pO2 in exhaled air is 116 mmHg, while pO
2 in
alveolar air is 104 mmHg.
145. Answer (4)
Hamburger phenomenon (chloride shift) occurs in
transport of CO2 to the lungs.
146. Answer (3)
100 mL oxygenated blood transports 15 mL O2 to
the tissues during exercise.
147. Answer (2)
70% CO2 is transported in the form of HCO
3
– ions
through blood plasma.
148. Answer (2)
Presence of high amount of diphosphoglycerate
(DPG) increases the P50
value of haemoglobin.
149. Answer (1)
The chemoreceptors are stimulated by increase in
CO2 concentration in blood. The role of oxygen in
regulation of respiratory rhythm is insignificant.
150. Answer (3)
Inhalation of coal/carbon dust is pneumoconiosis.
151. Answer (3)
152. Answer (3)
Thrombocytopenia (lack of platelets) is the reason for
lack of clotting.
Test - 5 (Code-C) (Answers & Hints) All India Aakash Test Series for Medical-2018
7/7
153. Answer (1)
PMNL are neutrophils (granulocytes).
154. Answer (1)
Pericardial cavity is enclosed between the parietal
and visceral pericardial layers, both of which
constitute the serous pericardium.
155. Answer (3)
156. Answer (2)
Stroke volume of both ventricles is same. Pulmonary
trunk has lesser resistance than aorta, so right
ventricle contracts with lesser force to pump out the
same quantity of stroke volume.
157. Answer (3)
158. Answer (3)
159. Answer (1)
Isovolumetric relaxation is followed by opening of
tricuspid and bicuspid valves, causing first rapid
filling of ventricles.
160. Answer (2)
161. Answer (3)
Both statements are correct according to
Frank Starling law of heart muscles.
162. Answer (2)
163. Answer (2)
Tunica media of artery is thicker while its lumen is
narrower.
164. Answer (2)
165. Answer (1)
166. Answer (1)
167. Answer (2)
168. Answer (4)
All premolars and last molars are arise only in
permanent dentition.
169. Answer (2)
GALT is gut associated lymphoid tissue.
170. Answer (2)
171. Answer (3)
172. Answer (4)
173. Answer (4)
Enterogastrone will inhibit gastric motility and
release of gastric juice.
174. Answer (2)
175. Answer (3)
176. Answer (3)
177. Answer (2)
178. Answer (2)
179. Answer (4)
Haemorrhoids is characterised by leakage of blood
out of varicose veins of rectum; the cause being
prolonged constipation / low fibre diet.
180. Answer (1)
� � �
Test - 5 (Code-D) (Answers & Hints) All India Aakash Test Series for Medical-2018
1/7
1. (4)
2. (2)
3. (4)
4. (1)
5. (1)
6. (1)
7. (3)
8. (3)
9. (1)
10. (4)
11. (1)
12. (3)
13. (1)
14. (4)
15. (3)
16. (1)
17. (3)
18. (3)
19. (3)
20. (3)
21. (1)
22. (4)
23. (3)
24. (4)
25. (4)
26. (3)
27. (4)
28. (3)
29. (2)
30. (4)
31. (4)
32. (3)
33. (1)
34. (4)
35. (2)
36. (3)
37. (3)
38. (4)
39. (4)
40. (1)
41. (1)
42. (4)
43. (2)
44. (4)
45. (1)
46. (4)
47. (3)
48. (2)
49. (4)
50. (4)
51. (1)
52. (3)
53. (4)
54. (1)
55. (3)
56. (2)
57. (2)
58. (1)
59. (1)
60. (2)
61. (3)
62. (3)
63. (4)
64. (3)
65. (1)
66. (4)
67. (3)
68. (3)
69. (4)
70. (3)
71. (1)
72. (1)
73. (2)
74. (2)
75. (4)
76. (1)
77. (1)
78. (1)
79. (1)
80. (4)
81. (3)
82. (3)
83. (2)
84. (3)
85. (4)
86. (4)
87. (1)
88. (4)
89. (2)
90. (2)
91. (3)
92. (2)
93. (1)
94. (4)
95. (1)
96. (2)
97. (1)
98. (4)
99. (1)
100. (2)
101. (4)
102. (2)
103. (1)
104. (1)
105. (2)
106. (2)
107. (4)
108. (2)
109. (3)
110. (3)
111. (3)
112. (4)
113. (4)
114. (4)
115. (2)
116. (1)
117. (4)
118. (3)
119. (2)
120. (2)
121. (1)
122. (4)
123. (4)
124. (1)
125. (2)
126. (4)
127. (1)
128. (1)
129. (2)
130. (3)
131. (1)
132. (4)
133. (1)
134. (1)
135. (2)
136. (3)
137. (4)
138. (4)
139. (4)
140. (1)
141. (1)
142. (4)
143. (2)
144. (4)
145. (1)
146. (4)
147. (4)
148. (4)
149. (4)
150. (3)
151. (3)
152. (4)
153. (4)
154. (4)
155. (1)
156. (4)
157. (3)
158. (1)
159. (1)
160. (4)
161. (1)
162. (3)
163. (3)
164. (1)
165. (3)
166. (1)
167. (3)
168. (4)
169. (4)
170. (1)
171. (2)
172. (4)
173. (3)
174. (1)
175. (1)
176. (2)
177. (3)
178. (4)
179. (2)
180. (2)
ANSWERS
TEST - 5 (Code-D)
All India Aakash Test Series for Medical-2018
Test Date : 22-01-2017
All India Aakash Test Series for Medical-2018 Test - 5 (Code-D) (Answers & Hints)
2/7
Hints to Selected Questions
[ PHYSICS]
1. Answer (4)
2. Answer (2)
3. Answer (4)
m
T = b = Wein's constant
4. Answer (1)
5. Answer (1)
Use Newton's law of cooling
1 2 1 2
02
T T T Tk T
t
⎛ ⎞ ⎜ ⎟⎝ ⎠
6. Answer (1)
L
B
LA
2L
D
C
100°C 40°CH1
H2
HH H1 2 + = H
100 40 20
2
2
T T T
l L L
kA kA kA
7. Answer (3)
1 2
eq2
K K
K
8. Answer (3)
9. Answer (1)
VPr = Constant
0V P
rV P
⇒
P P
V r
V
⇒
⎛ ⎞⎜ ⎟⎝ ⎠
10. Answer (4)
Polytropic process (n = –1)
,1
n
v
RPV K C C
n
11. Answer (1)
2
1 1
1T W
T Q
12. Answer (3)
1 1
2 2 1 1
r rT V TV
13. Answer (1)
P
V
CQ
U C
14. Answer (4)
15. Answer (3)
W P dV ∫0
0
3
4 ∫V
V
V dV
W = 16V0
2
16. Answer (1)
1 2 1 2( ) Q Q W W
17. Answer (3)
nR T w 18. Answer (3)
19. Answer (3)
20. Answer (3)
Insufficient heat at MP.
21. Answer (1)
22. Answer (4)
1
2Tt
23. Answer (3)
F Ay T
24. Answer (4)
2
12
mlI
2l l
l l
= 2IT
2
3
I T
25. Answer (4)
Test - 5 (Code-D) (Answers & Hints) All India Aakash Test Series for Medical-2018
3/7
26. Answer (3)
2/3
Tv n v
27. Answer (4)
28. Answer (3)
29. Answer (2)
30. Answer (4)
A1V1 = na
2v2
31. Answer (4)
32. Answer (3)
33. Answer (1)
2 1y
34. Answer (4)
l
l/2
2
2 2
mgl gll l
AY AY
⇒
35. Answer (2)
PVB
V
36. Answer (3)
1 1 1 2 2
2 2 2 1 1
l F l A Y
l F l A Y
37. Answer (3)
dvI
dr
[ CHEMISTRY]
46. Answer (4)
Borax contains only 8H2O molecules.
47. Answer (3)
Due to back bonding in BF3, B – F bond length in
BF3 is shorter than that in BF
4
–.
48. Answer (2)
Due to least extent of back-bonding.
49. Answer (4)
Fact.
50. Answer (4)
51. Answer (1)
Fact.
52. Answer (3)
Fact.
53. Answer (4)
54. Answer (1)
55. Answer (3)
38. Answer (4)
E = –KE
39. Answer (4)
5/2
kF
r
2
5/2
mv k
r r
2 rT
v
2 7/2T r
40. Answer (1)
2 2 2
ev v v
41. Answer (1)
42. Answer (4)
21
21
mghmv
h
R
⎛ ⎞⎜ ⎟⎝ ⎠
43. Answer (2)
44. Answer (4)
m 4mr
A x c B( – )r x
2 2
(4 )
( )
Gm G m
x r x
3
rx
3GmV
r
45. Answer (1)
4
3g RG
All India Aakash Test Series for Medical-2018 Test - 5 (Code-D) (Answers & Hints)
4/7
56. Answer (2)
Fact.
57. Answer (2)
BF3 + 3LiAlH
4 B
2H6 + 3LiF + 3AlF
3
B2H6 + 6H
2O 2H
3BO
3 + 6H
2
B2H6 + 3O
2 B
2O3 + 3H
2O
58. Answer (1)
59. Answer (1)
AlCl3 exist as dimer in solid state (sp3).
Al Al
Cl
Cl
Cl Cl
Cl Cl
But in aqueous medium, it produces [Al(H2O)
6]3+
and Cl–(aq).
60. Answer (2)
61. Answer (3)
62. Answer (3)
Fact.
63. Answer (4)
2NH4Cl + Ca(OH)
2 2NH
3 + CaCl
2 + 2H
2O
64. Answer (3)
The stability of peroxide and superoxide of alkali
metals increases as we go down the group.
65. Answer (1)
Fact.
66. Answer (4)
67. Answer (3)
68. Answer (3)
Fact.
69. Answer (4)
Fact.
70. Answer (3)
1 100 5.6V 56 mL
10
71. Answer (1)
H2SO
4 is a stronger acid and can act as a catalyst
and this decomposes H2O2, thus weak acid such
as H3PO
4 is preferred over H
2SO
4.
72. Answer (1)
Fact.
73. Answer (2)
2H2O2 2H
2O + O
2(g)
68 g 22.7 L at STP
105 g 500 mL at STP
74. Answer (2)
75. Answer (4)
Fact.
76. Answer (1)
Group 7 to 9 is known as hydride gap because
elements of these group do not form hydrides.
77. Answer (1)
Fact.
78. Answer (1)
'B' has incomplete octet.
79. Answer (1)
Fact.
80. Answer (4)
81. Answer (3)
Acidic medium :
KMnO4 Mn2+
ME
5
Basic medium :
KMnO4 K
2MnO
4
ME
1
82. Answer (3)
H – O – S – O – O – H; S has O.S. + 6
O
O
83. Answer (2)
o
CellEMF =
o oCathode (RP) Anode (RP)E E
= 0.80 – 0.34
= 0.46 V
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84. Answer (3)
Average oxidation state of oxygen =2( 1 2 2 2)
8
= –1.75
85. Answer (4)
Fact.
86. Answer (4)
Fact.
87. Answer (1)
CrO2
– : +3; ClO3
– : +5
CrO4
2– : +6; MnO4
– : +7
[ BIOLOGY
]
91. Answer (3)
92. Answer (2)
Telophase I is called a dyad of cells.
93. Answer (1)
94. Answer (4)
95. Answer (1)
96. Answer (2)
DNA duplication occurs in nucleus.
97. Answer (1)
98. Answer (4)
99. Answer (1)
100. Answer (2)
101. Answer (4)
Diakinesis represents transition of metaphase.
102. Answer (2)
103. Answer (1)
Mitogen induce mitosis.
104. Answer (1)
2 picogram
105. Answer (2)
106. Answer (2)
107. Answer (4)
108. Answer (2)
In G0-phase, cell is metabolically active.
109. Answer (3)
110. Answer (3)
Equational division also occurs in some haploid cell
like in case of some lower plants and in some
social insects.
111. Answer (3)
112. Answer (4)
Ribosome is present in both prokaryotic and
eukaryotic.
113. Answer (4)
114. Answer (4)
115. Answer (2)
Cytoskeleton are involved in many function such as
mechanical support, motility, maintenance of shape
of cell.
116. Answer (1)
A – Inner membrane
B – Outer membrane
C – Matrix
D – Inner membrane space
117. Answer (4)
Acrocentric
88. Answer (4)
H2SO
5 : O has –1 and –2 O.S.
H2S2O3 : S has 0 and +4 O.S.
CaOCl2 : Cl has +1 and –1 O.S.
89. Answer (2)
2PbO + 4HCl 2PbCl2 + 2H
2O
(Acid-base reaction)
PbO2 + 4HCl PbCl
2 + Cl
2 + 2H
2O
(Redox reaction)
90. Answer (2)
3 2CaCO CaO(s) CO (g)
There is no change in oxidation state.
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6/7
118. Answer (3)
119. Answer (2)
120. Answer (2)
121. Answer (1)
Secondary wall in plant cell is located inside the
primary wall.
122. Answer (4)
123. Answer (4)
Ribosome and centriole are non-membranous
organelles.
124. Answer (1)
125. Answer (2)
Prokaryotic cells have 70 S ribosome.
126. Answer (4)
127. Answer (1)
RER has a continuous connection with outer
membrane of nucleus.
128. Answer (1)
129. Answer (2)
130. Answer (3)
Non-polar molecules can pass through the lipid
bilayer.
131. Answer (1)
Mitochondria is not included in endomembrane
system.
132. Answer (4)
133. Answer (1)
Both mitochondria and plastid have 70 S ribosome,
double membrane and circular DNA.
134. Answer (1)
Centriole makes its own copy.
135. Answer (2)
a – Elaioplast
b – Polysome
136. Answer (3)
137. Answer (4)
Haemorrhoids is characterised by leakage of blood
out of varicose veins of rectum; the cause being
prolonged constipation / low fibre diet.
138. Answer (4)
139. Answer (4)
140. Answer (1)
141. Answer (1)
142. Answer (4)
143. Answer (2)
Enterogastrone will inhibit gastric motility and
release of gastric juice.
144. Answer (4)
145. Answer (1)
146. Answer (4)
147. Answer (4)
GALT is gut associated lymphoid tissue.
148. Answer (4)
All premolars and last molars are arise only in
permanent dentition.
149. Answer (4)
150. Answer (3)
151. Answer (3)
152. Answer (4)
153. Answer (4)
Tunica media of artery is thicker while its lumen is
narrower.
154. Answer (4)
155. Answer (1)
Both statements are correct according to
Frank Starling law of heart muscles.
156. Answer (4)
157. Answer (3)
Isovolumetric relaxation is followed by opening of
tricuspid and bicuspid valves, causing first rapid
filling of ventricles.
158. Answer (1)
159. Answer (1)
160. Answer (4)
Stroke volume of both ventricles is same. Pulmonary
trunk has lesser resistance than aorta, so right
ventricle contracts with lesser force to pump out the
same quantity of stroke volume.
161. Answer (1)
Test - 5 (Code-D) (Answers & Hints) All India Aakash Test Series for Medical-2018
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162. Answer (3)
Pericardial cavity is enclosed between the parietal
and visceral pericardial layers, both of which
constitute the serous pericardium.
163. Answer (3)
PMNL are neutrophils (granulocytes).
164. Answer (1)
Thrombocytopenia (lack of platelets) is the reason for
lack of clotting.
165. Answer (3)
166. Answer (1)
Inhalation of coal/carbon dust is pneumoconiosis.
167. Answer (3)
The chemoreceptors are stimulated by increase in
CO2 concentration in blood. The role of oxygen in
regulation of respiratory rhythm is insignificant.
168. Answer (4)
Presence of high amount of diphosphoglycerate
(DPG) increases the P50
value of haemoglobin.
169. Answer (4)
70% CO2 is transported in the form of HCO
3
– ions
through blood plasma.
170. Answer (1)
100 mL oxygenated blood transports 15 mL O2 to
the tissues during exercise.
171. Answer (2)
Hamburger phenomenon (chloride shift) occurs in
transport of CO2 to the lungs.
172. Answer (4)
The pO2 in exhaled air is 116 mmHg, while pO
2 in
alveolar air is 104 mmHg.
173. Answer (3)
[Tidal volume – Respiratory dead space volume]
reaches into the alveoli (350 mL).
Alveolar ventilation is
Alveolar volume × Breathing rate
174. Answer (1)
Abdominal breathing is normal breathing at rest
mostly involving contractions of diaphragm.
Abdominal muscles and internal intercostal muscles
are involved in forceful thoracic breathing.
175. Answer (1)
176. Answer (2)
Epiglottis is made up of elastic cartilage.
177. Answer (3)
Finer dust particles are trapped in mucus. Dust cells
are located in alveoli. Cilia propel the mucus trapped