Question is available with Mero Eye's Entrance group

1. Answers for set-7
1.c
2. d
Cornea aborbs <295 nm of light
3. b
Vertical length is- 8-9 mm
4. c
5. d
Horner's muscle (the palpebral part of the orbicularis oculi muscle) has a fan-shaped origin in the
lacrimal bone. Its muscle fibers are oriented from 160 to 210 degrees relative to the ear-eye plane and
converge towards the medial palpebral commissure. Then the muscle divides into superior and inferior
bundles of fibers.
6. b
All other layers can regenerate.
7. c
All other feature help in corneal hydration.
8. d
9. a
Loss of eyelashes- madarosis
10. b
Zonules holds the lens in position.
11. d
12. a
All3SO4LR6 : foe EOM
13. d
Retinal detachment is of three types: exudative, tractional & rhegmatogenous
14. c
Alkali>acid
15. c
Roving ring scotoma is also known as jack-in-the-box phenomenon.

2. 16. b
Aniseikonia- ocular condition where there is a significant difference in the perceived size of images.
17. a
Slow progression of ulcer- fungal/viral keratitis
18. b
Inner layer- internal limiting membrane
19. b
Image formed by retina is real & inverted.
20. a
21. c
Meibomian gland- modified sebaceous gland
Zeis gland- sebaceous gland
22. b
23. a
24. c
25. a
26. b
Intermediate- pars planitis
Posterior uveitis- choiroiditis
27. d
Candela- SI base unit for luminous intensity.
28. b
29. b
Entropion- inward turning of lid
30. b
Pterygium is also seen in conjunctiva.
31. a
32. a
33. d

3. 34. a
Homocystinuria- downward & outward displacement of lens
Weill marchesaci syndrome- subluxated lens
35. c
36. a
Reflex secretion- schirmer’s test II
37. c
Version- synchromous & symmetrical movement in same direction.
Duction- movement of one eye
38. c
39. b
40. a
41. a
P= 𝑎
𝑉2⁄
a= PV2
=
𝑓𝑜𝑟𝑐𝑒
𝑎𝑟𝑒𝑎⁄ *(volume)2
a= force *length*volume
=mass*acceleration*length*length3
=mass*velocity/time*length4
=mass*distance/time*1/time*length4
=mass*
𝑙𝑒𝑛𝑔𝑡ℎ5
𝑡𝑖𝑚𝑒2⁄
=[ML5
T-2
]
42. d
Volume is conserved so,
2*4
3⁄ πr3
= 4
3⁄ πR3
R= √2
3
r = 1.2r
43. b
We have,
a= w2
r

4. =(2πf)2
*r
=4π2
*22
*25/100 = 4π2
44. a
Heat required= heat required to change ice from -100˚C to 0˚C + change ice at 0 ˚C to water at 0˚C +
change water at 0˚C to 100˚C+ change water at 100˚C to steam at 100˚C.
= ms1d𝜃+mL1+ms2d𝜃+mLv
=1*0.5*100+1*80+1*1*100+1*536
=50+80+100+536
=766 cal
45. c
46. b
47. b
µ=
𝑐
𝑉
=
3∗108
𝑉
v=
3∗108
1.5
= 2*108
m/s
48. c

5. 1 Faraday is required to deposit 1 gm equivalent of that metal.
For Ag+
, 0.3 mole= 0.3 gm equivalent. So,
0.3F is required to deposit 0.3mole of Ag+
.
49. b
After 6 half-life, completed is 98.4375%
After 7 half life, completed is 99.21875%
So,
For 99% completion, required half life is 6.65.
50. a
Force experienced by a charge in moving in a magnetic field is:
F= qvBsin𝜃
If 𝜃=90˚C, F= qvB
Also, centripetal force= qvB
𝑚𝑣2
𝑟
= qvB
r= 𝑚𝑣
𝑞𝐵⁄ = 9.1*10-31
*2*106
/(1.6*10-19
*5*10-5
) = 0.2 m
51. b
CaCO3 CaO + CO2
(20+20+6+6+3*16) 20+20+8+8
100 gm gives 56 gm of CaO.
25 gm gives 56/100*25=14gm
52. c
Principal quantum number – size & average distance of nucleus
Azimuthal quantum number- shape of orbital
Spin quantum number- spin of electron
53. b
Molarity= %*10/M.W = 10*10/40 = 2.5
54. d
Concn=
𝑁
10
NaOH

6. =M/10
=0.1M
pOH= -log[OH-
]
= -log[0.1]
= 1
pH= 14-pOH
=14-1= 13
55. c
Hexamethylene diamine + adipic acid: nylon-6,6
Hexamethylene diamine : nylon-6,10
phenol + formaldehyde: bakelite
56. d
In sp3
, shape is tetrahedral
one lone pair present- pyramidial
2 lone pair present- angular/ vshaped
H2O is sp3
but has 2 lone pair.
57. c
58. b
Pcinogens- elements which form poisonous gas: N2 family
Chalcogens- ore forming family: oxygen family
Halogens- salt forming: fluorine family
Inert gases- no reaction- helium family
59. c
24 carat gold is 100% gold
18 carats = 100/24*18
= 75% gold
60. d
Calamine is ZnCO3 which is an ore of Zn.

7. 61. a
All mammals have 7 cervical vertebrae.
62. b
63. b
Mitral valve is also k/a bicuspid valve located in between left auricle & left ventricle
64. d
Cardiac muscles- striated & involuntary
Skeletal muscles- striated & voluntary
Smooth- unstriated & involuntary
65. a
Pectin is present in eyes of birds for sharp vision & cerebellum for balancing during flight.
66. c
67. d
Movement of earthworm away from stimulus is negative.
68. d
Plasmodium lies in class sporozoa because it has no locomotory organ
Cillia- cilliata
Pseudopodia- rhizopodea
Flagella- flagellate
69. c
Calciferous gland is found in stomach & help sin neutralizing acidity of soil
70. b
mesozoic
triassic: origin of
reptiles
jurassic: maximum
reptiles
cretaceous: extinction
of dinocerpus

8. 71. a
Cycas is gymnosperm in which endosperm is formed before fertilization so it’s haploid
72. b
Bryohyta has embryo but lack vascular tissue & seeds
Thallophyta has no embryo, vascular tissue & seed.
Pteridophyta lack seed
73. c
Petiole- stalk of leaf
Peduncle- stalk of inflorescence
Pistil- female part of flower
74. d
Hydrophily- pollination by water
Malacophily- pollination by Mollusca
Entomophily- pollination by insects
75. b
76. a
Porometer- size of stomata
Auxanometer- growth in plants
Manometer- root pressure
77. c
78. d
Mitosis occurs in all cells whereas meiosis occurs only in reproductive cells.
79. b
44 + XX: normal female
44 + XXX: super female
44 + XYY: super male
80. c
Lichens can’t grow in area with air pollution especially area with SO2 pollution.
81. d

9. 82. b
Rabies- rabies virus
Measles- paramyxovirus
Small pox- variola virus
83. c
84. a
85. a
The Widal test is one method that may be used to help make a presumptive diagnosis of enteric fever,
also known as typhoid fever.
86. d
87. b
Mitochondria are present in leukocytes, neurons, muscle cell
88. b
Simple microscope- erect & magnified
89. a
90. d
Refractive index has no unit because it’s the ratio.
91. c
Red, green & blue are primary colors.
92. a
93. c
94. a
Enzymes are proteins functioning as catalysts that speed up reactions by lowering the activation energy.
95. c
Memory T cells and B cells are immune cells that remain in the body after initial infection and retain
a memory of a pathogen. Memory cells fire up a fast and powerful immune response when the
pathogen appears again.
96. c
Foal is a horse of either sex <1 yr of age.
97. b

10. Solar faculae are bright spots that form in the canyons between solar granules. Faculae are produced by
concentrations of magnetic field lines.
98. d
99. a
The prizes in Physics, Chemistry, Physiology or Medicine, Literature, and Peace were first awarded
in 1901.
100. a
Apoptosis is the death of cells which occurs as a normal and controlled part of an organism's growth or
development.