(1)

ANSWERS

1. (4)

2. (2)

3. (3)

4. (3)

5. (4)

6. (1)

7. (4)

8. (3)

9. (4)

10. (4)

11. (4)

12. (4)

13. (4)

14. (3)

15. (3)

16. (2)

17. (4)

18. (4)

19. (4)

20. (4)

21. (3)

22. (2)

23. (1)

24. (3)

25. (2)

26. (1)

27. (1)

28. (4)

29. (1)

30. (4)

31. (3)

32. (1)

33. (2)

34. (2)

35. (2)

36. (1)

37. (2)

38. (4)

39. (3)

40. (1)

41. (1)

42. (3)

43. (1)

44. (3)

45. (3)

46. (3)

47. (1)

48. (2)

49. (4)

50. (2)

51. (4)

52. (3)

53. (1)

54. (1)

55. (3)

56. (3)

57. (3)

58. (4)

59. (4)

60. (3)

61. (3)

62. (4)

63. (2)

64. (2)

65. (2)

66. (4)

67. (4)

68. (4)

69. (1)

70. (4)

71. (4)

72. (2)

73. (3)

74. (2)

75. (4)

76. (4)

77. (2)

78. (2)

79. (3)

80. (2)

81. (4)

82. (4)

83. (1)

84. (2)

85. (1)

86. (1)

87. (4)

88. (1)

89. (2)

90. (4)

91. (3)

92. (1)

93. (2)

94. (1)

95. (2)

96. (3)

97. (4)

98. (3)

99. (3)

100. (4)

101. (3)

102. (2)

103. (3)

104. (4)

105. (2)

106. (1)

107. (4)

108. (2)

109. (3)

110. (3)

111. (3)

112. (2)

113. (1)

114. (1)

115. (4)

116. (2)

117. (4)

118. (2)

119. (4)

120. (1)

121. (1)

122. (3)

123. (3)

124. (2)

125. (1)

126. (1)

127. (2)

128. (3)

129. (3)

130. (2)

131. (4)

132. (3)

133. (4)

134. (3)

135. (2)

136. (2)

137. (4)

138. (3)

139. (1)

140. (2)

141. (4)

142. (3)

143. (3)

144. (4)

145. (2)

146. (3)

147. (2)

148. (3)

149. (4)

150. (4)

151. (4)

152. (2)

153. (3)

154. (3)

155. (3)

156. (4)

157. (3)

158. (1)

159. (4)

160. (3)

161. (2)

162. (3)

163. (2)

164. (4)

165. (4)

166. (4)

167. (3)

168. (4)

169. (4)

170. (1)

171. (2)

172. (2)

173. (4)

174. (3)

175. (4)

176. (3)

177. (2)

178. (2)

179. (3)

180. (2)

Regd. Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph. 011-47623456

MM : 720 Mock Test for NEET - 2020 Time : 3 Hrs.

Home Assignment – 10

16/07/2020

(2)

1. Answer (4)

2. Answer (2)

13 2 3

2t t t

3. Answer (3)

t

m/s

0 10 15 s

50

v

150 15 25 15 375 m

2S

4. Answer (3)

2

2

u t ua g

g a t

5. Answer (4)

2 2 2 2sin sin

and 2 22 2

u vH H v u

g g

6. Answer (1)

Force between 30 N to 110 N will make the block move.

7. Answer (4)

m2R = mg

=10 0.8

2 rad/s2

g

R

PHYSICS

8. Answer (3)

210 10 10 10 0.43 m/s

10 10a

9. Answer (4)

22 2 4

4

1 14 kg 3 18

2 2

18 3 1458 J

W mv t t

10. Answer (4)

20 3 27 0 3 m

dUF x x

dx

11. Answer (4)

Formula

12. Answer (4)

Energy fraction retained is e2 = 0.64. So lost is 0.36.

13. Answer (4)

1 1 2 2

1 2 26 1m

m x m x

x x x

14. Answer (3)

3300

2 4

200 N

Y

Y

L LR

R

15. Answer (3)

2m 5 m1 kg 2 2 m 10 kg

s s2L mv R

16. Answer (2)

25 ' 3'

3 5

v vmvR mR v

R

MM : 720 Time : 3 Hrs.

Regd. Office: Aakash Tower, 8, Pusa Road, New Delhi-110005, Ph. 011-47623456

Mock Test for NEET - 2020Home Assignment – 10

Answers and Hints

16/07/2020

(3)

Mock Test for NEET - 2020 Home Assignment-10 (Answers and Hints)

17. Answer (4)

1 1.53

1 0.5

e

e

18. Answer (4)

/

Pk

V V

19. Answer (4)

20. Answer (4)

1 1 2 2 1 2

1 2

2

3

k A k A k k

A A

21. Answer (3)

22. Answer (2)

2

2 2

1 2 2 2010 N/m

2 2

2 2 s

UU KA K

A

mT

k

23. Answer (1)

60 800 km5 8

T L

d d d dt d

V V

24. Answer (3)

25. Answer (2)

6060 80 F

3

26. Answer (1)

1 1

1 2

2 2

200 C and 400 CQ R

Q QQ R

Charge transferred is 100 C

27. Answer (1)

1v

L

28. Answer (4)

29. Answer (1)

2 2

73 3

2 6

R RR

R

30. Answer (4)

F qv B � �

�

31. Answer (3)

32. Answer (1)

33. Answer (2)

L = L1 + L

2 = 9 mH

34. Answer (2)

250 V5 A

50I

35. Answer (2)

36. Answer (1)

1.805 1.790.019

1.795 1

37. Answer (2)

810 2 14 cm

4

3

38. Answer (4)

0100 5

1 1 245 25

E

E

f fm

f D

39. Answer (3)

1 1x

x

t tD

d D d

40. Answer (1)

41. Answer (1)

KE remains unchanged.

42. Answer (3)

2

22

2

h hp mE E

m

43. Answer (1)

3

0

3

0

1 3

2

t

t

N et

e N e

44. Answer (3)

1out out

3

in in in

1000.02

5 10

I I

V I R

45. Answer (3)

(4)

Home Assignment-10 (Answers and Hints) Mock Test for NEET - 2020

CHEMISTRY

46. Answer (3)

CH2 – C – OH

CH2 – C – OH

423 K

O

O

H C – C2

H C – C2

O

O

O

Maleic Acid 4 mol 'C'

47. Answer (1)

48. Answer (2)

1 mol CO2 valence electron = 16 × N

0

49. Answer (4)

Molecular wt. 3.2

22400 256 g280

256

n 832

50. Answer (2)

For g-subshell, l = 4 n must be 5

51. Answer (4)

52. Answer (3)

02Cu/Cu (aq)

E 0.34 v

53. Answer (1)

54. Answer (1)

55. Answer (3)

56. Answer (3)

Enthalpy of neutralization calculated per gram

equivalent.

57. Answer (3)

58. Answer (4)

59. Answer (4)

60. Answer (3)

Positive solution is formed.

61. Answer (3)

62. Answer (4)

63. Answer (2)

[CH3COO–] = 2 ×0.05 = 0.1 M

pH = w a

1pK pK logC

2

pH = 114 4.74 log0.1

2 = 8.87

64. Answer (2)

65. Answer (2)

ºOP OP

0.059E E log[H ]

1

66. Answer (4)

67. Answer (4)

68. Answer (4)

69. Answer (1)

70. Answer (4)

71. Answer (4)

A = S

ThiopheneB =

N

PyrroleC =

Pyridine

N

72. Answer (2)

73. Answer (3)

74. Answer (2)

CHO

2NaOH

COO Na–

+

CH – OH2

+

75. Answer (4)

76. Answer (4)

77. Answer (2)

OCH3

NH2

OCH3

Cl

H

NH3

OCH3

NH2

78. Answer (2)

79. Answer (3)

80. Answer (2)

Wolff-Kishner reduction.

81. Answer (4)

A = 3° alcohol; B = 1° alcohol; C = 2° alcohol

82. Answer (4)

83. Answer (1)

84. Answer (2)

85. Answer (1)

Phenol has strongly +R effect.

86. Answer (1)

87. Answer (4)

88. Answer (1)

89. Answer (2)

90. Answer (4)

(5)

Mock Test for NEET - 2020 Home Assignment-10 (Answers and Hints)

BOTANY

91. Answer (3)

Order

92. Answer (1)

Ex-situ conservation strategies are Zoo and Botanical

gardens.

93. Answer (2)

Unicellular organisms i.e., Bacteria, fungi, algae and

protozoans were placed under kingdom Protista in

three kingdom system.

94. Answer (1)

Cellulose and silica in diatoms.

95. Answer (2)

Dikaryophase is short-lived in sac fungi.

96. Answer (3)

97. Answer (4)

A-Chara, B-Laminaria

98. Answer (3)

Haplo-diplontic in Selaginella and Diplontic life cycle

in gymnosperms.

99. Answer (3)

Cymose type

100. Answer (4)

Tendril in pea-modified leaf

101. Answer (3)

Drupe

102. Answer (2)

Collenchyma

103. Answer (3)

A-Simple tissue mainly.

104. Answer (4)

Sapwood is physiologically active.

105. Answer (2)

Nine peripheral doublets microtubules in one flagellum

i.e., 9 × 2 = 18, Chlamydomonas is biflagellate.

106. Answer (1)

107. Answer (4)

Metaphase is preceded by prophase.

108. Answer (2)

109. Answer (3)

w or DPD = Zero

110. Answer (3)

111. Answer (3)

112. Answer (2)

Transition reaction - 1NADH2

For one pyruvic

acid

TCA Cycle - 3 NADH2 & 1FADH

2

Glucose 2 × pyruvic acid

113. Answer (1)

Arithmatic growth

114. Answer (1)

TtWwRr × ttWWrr (T-Height, W-colour of flower,

R-seed shape)

Tt × tt 1

2tall;

1

2dwarf (test cross)

Ww × WW 100% violet (out cross)

Rr × rr 1

2 round :

1

2wrinkled (test cross)

Thus, tall & violet & wrinkled 1

2 × 1 ×

1

2 =

1

4 or

25%.

115. Answer (4)

116. Answer (2)

117. Answer (4)

Both (1) & (3)

118. Answer (2)

3 5 phosphodiester linkage.

119. Answer (4)

Both (2) & (3)

120. Answer (1)

Regulator gene is always functional.

121. Answer (1)

122. Answer (3)

123. Answer (3)

All embryophytes

124. Answer (2)

(6)

Home Assignment-10 (Answers and Hints) Mock Test for NEET - 2020

125. Answer (1)

Hydrophily

126. Answer (1)

127. Answer (2)

Aposporously developed embryo sac is diploid thus

egg-2n and secondary nucleus - 4n

Zygote 2n + 2n = 4n

Endosperm 2n + 4n = 6n

128. Answer (3)

129. Answer (3)

SCP production decreases environmental pollution.

130. Answer (2)

131. Answer (4)

132. Answer (3)

Plants and pollinators.

133. Answer (4)

Climax vegetation is mesic.

134. Answer (3)

Hyperbola for a large taxonomic group.

135. Answer (2)

Causes thinning of egg shell.

ZOOLOGY

136. Answer (2)

Several genes called cellular oncogenes (c-onc) or

proto-oncogenes have been identified in normal cells,

which when mutated lead to cancer. Mutations in tumor

suppressor genes can also lead to cancer.

137. Answer (4)

When the donor DNA is inserted into bacterium’s DNA,

the bacterial plasmid is described as rDNA. This

plasmid can act as a vector.

138. Answer (3)

139. Answer (1)

If the allele frequency of R is 0.80, then the allele

frequency of r is 0.20, because p + q = 1.

140. Answer (2)

The frequency of recessive allele is 6

0.2524

141. Answer (4)

Amphetamine is synthetic analogue of adrenaline.

142. Answer (3)

143. Answer (3)

Preen glands are also called and uropygial glands.

144. Answer (4)

Activation energy is required only to start a

biochemical reaction.

145. Answer (2)

Otolith organ includes utricle and saccule.

146. Answer (3)

147. Answer (2)

Direct method of gene transfer is vectorless method.

148. Answer (3)

149. Answer (4)

150. Answer (4)

Beta cells of islets of Langerhans secrete insulin

hormone.

Vasopressin inhibits diuresis : Parathyroid gland,

secrets parathormone which stimulates the movement

of Ca2+ in bones and teeth into blood.

151. Answer (4)

152. Answer (2)

PCR can amplify the genetic material to make probe.

153. Answer (3)

154. Answer (3)

Toxoid vaccines provide us with active immunity.

155. Answer (3)

Cotton bollworm is a lepidopteran.

156. Answer (4)

Modern Homo sapiens arose during ice age between

75,000 to 10,000 years ago.

157. Answer (3)

Saheli is non-hormonal, non-steroidal contraceptive

pill containing a chemical centchroman.

158. Answer (1)

159. Answer (4)

160. Answer (3)

Estrogen is a steroidal hormone and directly enters

the cell.

161. Answer (2)

162. Answer (3)

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Mock Test for NEET - 2020 Home Assignment-10 (Answers and Hints)

�����

163. Answer (2)

If the rDNA is inserted within the coding sequence of

lac Z gene, it will cause insertional inactivation of

this gene. So, the plasmid with rDNA, will not

synthesise -galactosidase enzyme.

164. Answer (4)

In Amphioxus there is protonephridial system

containing flame cells.

165. Answer (4)

Release of sporozoites infectious forms by salivary

glands of mosquito.

166. Answer (4)

In Exocoetus, notochord is replaced by bony vertebral

column.

167. Answer (3)

168. Answer (4)

Collagen is the most abundant protein in the animal

world.

169. Answer (4)

The joint between carpal and metacarpal of the thumb

is saddle joint.

170. Answer (1)

Reabsorption in Henle’s loop is minimum.

171. Answer (2)

172. Answer (2)

173. Answer (4)

174. Answer (3)

Tetany is spasms or convulsions due to less calcium

in extracellular fluid.

175. Answer (4)

After menopause the blood ganadotropins rise

markedly, because there is no feedback control by

estrogen and progesterone.

176. Answer (3)

Axial skeleton is made up of skull, vertebral column,

sternum and ribs.

177. Answer (2)

178. Answer (2)

‘Dup’ is second heart sound produced due to closure

of semilunar valves at the beginning of ventricular

systole.

179. Answer (3)

Ctenophores such as comb jellies move by cilia and

have colloblasts to capture their prey.

180. Answer (2)

Edition: 2020-21