Question paper is available with Mero Eye Entrance Group

1. Answers for set 8
1.c
Rabbit: 5
Human: 4
Frog: 3
2. b
Erythrocytic cycle has:
Trophozoite signet ring stageamoeboid stageshizontrosette stagemerozoites
3. b
Cerebrum: centre of intelligence
Cerebellum: co-ordination of muscle movement, balancing
Medulla oblongata: vomiting center, respiration, laughing, sneezing, involuntary action center
Hypothalamus: temperature regulation
4. c
Simple squamous: alveoli, blood vessels, coelomic cavity
Simple cuboidal: glands, iris
Simple columnar: organ of gigestive tract
Pseudo-stratified: trachea, bronchi, Eustachian tube, larynx
Transitional: urinary bladder, ureter
5. c
Hyposecretion of thyroxin results: critinism, myxedema/gulls disease
Hypersecretion results: grave’s disease
6. b
Function of hypothalamus:
Sleeping pattern, sexual behavior
Emotions, endocrine function
Apetite, autonomic nervous system

2. Thirst, temperature @(SEAT)2
7. b
8. b
Kuffer cells are phagocyticcells of liver, increases immune power
Other phagocytic cells of different parts:
Blood: monocytes
Lung: dust cell
Kidney: messengial cell
Skin: langerhan’s cells
Bone: osteoblast
9. c
Head of taenia solium(scolex) has cone like structure called rostellum with hooks
10. c
11. a
Work: [ML2
T-2
]
Torque: r*F
[L] [MLT-2
]
[ML2
T-2
]
12. b
13. b
Rmax= u2
/g= 502
/10 = 250m
14. c
E=
𝑃2
2𝑚
P=√2𝑚𝐸
p∝ √𝐸
P2/P1 = √
𝐸2
𝐸1
P2= √2.P1
15. b

3. g(1-d/R)=g(1-2h/R)
d= 2h
16. a
According to Wien’s displacement law,
λT =constant
T∝1/λ
17. d
1/Fcombined = 1/F1 + 1/F2
18. a
19. c
F= Bqvsin𝜃
V= 0 (stationary)
F=0
20. a
21. b
Zygospore: thick walled diploid cell formed after fertilization.
Zoospore: motile asexual spores formed during favorable condition
Ascospore: sac like spore found in ascomycetes
Basidiospore: cap like spore found in basidiomycetes
22. c
Fully developed female gametophyte(embryo sac) is a 7 celled, 8 nucleated structure
23. d
Hybridization produces strong/ superior offspring known as heterosis or hybrid vigour. But, after few
generation, heterosis last.
24. d
Emersion enhancement effect: photo synthetically inefficient
Red-drop effect: decrease photosynthesis yield
25. a
Batrachospermum is red algae but not red in color.

4. Harveyella: parasitic red algae but colorless
Algin: extracted from cell wall of brown algae
26. b
27. c
Self-pollination: autogamy
Cross pollination (allogamy): pollination in different flowers of same plant
Xenogamy: pollination among flowers of different plant.
28. d
They are autotropic in nutrition but grows on N2 deficient soil and feeds upon insects to fulfill their N2
requirement.
29. b
30. d
Abscisic acid: also called stress hormone
Gibberellin: elongation of internode & leaf expansion.
Auxin: maintain apical dominance
Ethylene: ripening hormone
31. c
32. c
33. a
For acid,
V1N1= 100*2= 200
For base, V2N2= 20*5=100
V1N1 > V2N2, resulting solution is acidic.
34. d
Molisch reagent: detecting carbohydrate
Lucas reagent: distinguishing 3 types of alcohol
35. b
2,4,6-trinetrophenol is called picric acid, which doesn’t contain carboxyl group.
36. d

5. It can also be distinguished by ammonica/ Cu2Cl2 since H-atom of propyne being more acidic gives red
ppt while propene doesn’t give.
37. a
When NH4Cl is added, the given equilibrium shifts towards reactant,because of high concentration of
common NH4
+
. Hence, ionization is further suppressed and pH decreases.
38. b
A3B2 3A + 2B
X 3x 2x
Ksp= (3x)3
*(2x)2
= 27x3
*4x2
= 108x5
39. d
Cannizards reaction is given by only aldehyde(not ketone) having no. ∝ hydrogen in presence of conc.
Alkali.
40. c
41. c
42.c
iris bombe is seen in ring synechiae.
43. a
Thickness of lens capsule @ anterior pole= 14 micrometer
44. b
All other radiations except MRI causes cataract.
45. b
Vitreous liquefaction 1st
starts at nucleus then only cortical region.
46. a
Ora serrata is the region of retina. Anteriorly, retina ends @ ora serrata.
47. d
48. d
Rods are absent in fovea centralis.
49. b

6. Diameter is more horizontally compared to vertical.
50. d
Optometrist- vision specialist
Ophthalmologist- eye specialist
51. d
52. d
Rods are absent, only cones are present in fovea.
53. a
54. b
Refractive power of lens is ¼ of total eye power.
55. d
Laser can be produced of solid, liquid or gas medium.
56. a
57. b
58. c
59. c
Stroma occupies 90% of total corneal thickness.
60. a
Phthisis: shrinkage of eye ball
Ptosis: drooping of eyelid
61. d
Neonatal conjunctivitis, also known as ophthalmia neonatorum, is a form of conjunctivitis and a type of
neonatal infection contracted by newborns during delivery. The baby's eyes are contaminated during
passage through the birth canal from a mother infected with either Neisseria gonorrhoeae or Chlamydia
trachomatis.
62. d
Iritis: inflammation of iris
Choroiditis: inflammation of choroid
Parsplanitis: inflammation of pars plana (part of ciliary body)
63. d

7. 64. a
The word “uvea” means grape.
65. c
Xanthophyll, yellow pigment is present inn macula lutea.
66. c
SR- 7.7 mm
LR- 6.9 mm
MR- 5.5 mm
67. d
There are four surgical spaces:
Tenon’s capsule
Peripheral space
Sub-periosteal space
Center space
68. a
In all other condition like; papilloedema, iridocyclitis, scleritis, vision loss is painful.
69. b
70. a
A relatively larger area of defect in the form of arching scotoma, which eventually fills the entire arcuate
area, from blind spot to the median raphe.
71. c
72. d
73. a
Length: 15mm
74. d
Cocaine: medriatics & anaesthetic
Tetracaine: anaesthetic
75. a
76. d

8. 77. c
78. b
In case of accommodation, ciliary muscle contracts, zonules relaxes, crystalline lens changes its shape.
79. a
80. b
Diaphragm: iris
Shutter: eyelid
Film: retina
81. b
82. c
Agranulocytosis: acute condition involving a severe and dangerous leukopenia (lowered white blood cell
count).
Anaemia: deficiency in the number or quality of red blood cells in your body.
Leukopenia: decrease in the number of white blood cells (leukocytes) found in the blood, which places
individuals at increased risk of infection.
83. a
84. c
85. b
Color blindness is a hereditary disease.
86. a
Peliagra: disease caused by a lack of the vitamin niacin (vitamin B3)
Rickets: skeletal disorder that's caused by a lack of vitamin D, calcium, or phosphate.
Scurvy: disease resulting from a lack of vitamin C (ascorbic acid).
87. a
Myopia: in front of retina
88. d
89. b
90. c
91. a

9. A whole eyeball is never transplanted, only cornea is transplanted.
92. a
93. b
Amylase: helps in breakdown of carbohydrates and starches into sugar.
Enterokinase: enzyme produced by cells of the duodenum and is involved in digestion in humans and
other animals. It converts trypsinogen (a zymogen) into its active form trypsin, resulting in the
subsequent activation of pancreatic digestive enzymes.
Tripsin: Trypsin is formed in the small intestine when its proenzyme form, the trypsinogen produced by
the pancreas, is activated.
94. a
95. d
96. b
Ascorbic acid is vitamin C.
97. c
98. b
99.c
Reduce pain: analgesic
Relieve fever: antipyretic
100. b