Question is available on Mero eye's Entrance Group (currently on Vibrant), Putalisadak, KTM

1. Answers (set-4)
1.a
Glaucoma causes progressive irreversible damage of the optic nerve and loss of vision
field leading to blindness.
2.c
In adie’s syndrome, there is dilated & tonic pupil of unknown etiology. It is a common cause of
anisocoria.
3.d
Due to vit. A deficiency, there is foamy and cheesy appearance on conjunctiva. These lesions are k/a
bitot’s spot.
4.c
Due to congenital stenosis, obstruction of CSF by arachnoid villi, hypersecretion of CSF, there is increase
in intracranial pressure. This increase in intracranial pressure leads to bilateral, non-inflammatory passive
swelling of optic disc.
5.c
6.a
Chemosis is the swelling of the conjunctiva due to the oozing of exudate from abnormally permeable
capillaries. The outer surface covering appears to have fluid in it so it becomes swollen and gelatinous in
appearance.
7.c
8.a
Albinism refers to reduced pigmentation compared to others of the same racial background.
Ocular albinism includes features like; iris transillumination, pendular nystagmus, strabismus,
foveal hypoplasia, refractive error, photophobia, abnormal decussation of visual pathways.
9.a
Cornea- avascular structure
Choroid- contains three layers of blood vessels: outer vessel of Haller, middle vessel of Sattler
& inner chorio capillaries.
10.c
Symblepharon is the adhesion of lid to globe as a result of adhesion between bulbar & palpebral
conjunctiva.
11.b
Infection by amoeba is very rare but serious.

2. 12.a
13.d
Lens being a avascular structure, it isn’t prone to any infection.
14. c
Edinger-Westphal nucleus is a part of pupillary reflex.
15. b
16.a
Ishihara chart- pseudoisochomatism, titmus fly test- random dot principle
17. b
18.c
Two from anterior & posterior corneal surface & two from phakic lens.
19.b
Pilocarpine is used in the treatment of glaucoma.
20.b
21.d
22.c
Single vision is seen in case of conjunctivitis & glaucoma.
23.b
Axial thickness of lens varies from 3.5 mm at birth to 5 mm at extreme age.
24.a
The decrease in axial length of eye induces hypermetropia and increase in axial length induces myopia.
25.b
26.a
Convex lens- object moves in opposite direction
27.a
Far point of the eye is at infinity but due to refractive error it changes.
28.c
Asteroid hyalosis is calcium deposition present in vitreous.
29.a
Vitreous collapse- syneresis

3. 30.b
Fungal-fixed hypopyon with convex border
Bacterial- may be with mobile hypopyon & iritis
Viral-hypopyon is usually absent.
31.a
32.b
In dim light- dilates
33.b
At periphery- 0.67mm
34.c
35.b
36.b
37.d
Angle of anterior chamber comprises of: schwalbe’s line, trabecular meshwork, scleral spur, band of
ciliary body, root of iris.
38.d
39.d
40.a
41.c
42.b
R(horizontal range)=u2sin2θ/g
𝑅 𝑚𝑎𝑥 at 𝜃= 45˚ i.e.

4. R=u2
/g=d given,
Also, max vertical height= u2
sin2
𝜃/2𝑔
During the same projectile, 𝜃 = 45˚, 𝑠𝑜
H=u2
sin2
45/2g
=u2
/g*(1
√2
⁄ )2
*1/2
= d*1/2*1/2
=d/4
But, max height(H)= u2
/2g
So,
𝑚𝑎𝑥.𝑅
𝑚𝑎𝑥.ℎ
=
u2/g
𝑢2/2𝑔
=2
Max h= R/2=d/2
43.b
Energy stored= 1/2*F*e
Energy stored per unit volume=1/2
𝐹∗𝑒
𝑣
=1/2
𝐹∗𝑒
𝐴∗𝑙
= 1/2*stress*strain
=1/2*stress*stress/y (y= 𝑠𝑡𝑟𝑒𝑠𝑠
𝑠𝑡𝑟𝑎𝑖𝑛⁄ )
=1/2*S2
/y
=S2
/2y
44.c
45.d

5. At high temp and low pressure, molecules are far from each other and hence for attractive & repulsive
force between them.
46.a
47.a
Power∝thickness. Since, thickness is halved, power is also halved i.e. 4D/2=2D
48.d
N=No/2n
= No/25
=10/32= 0.31 gm
n=T/𝑡1/2= 10/2=5
49.c
50.b
At resonance, 𝑋 𝐿=𝑋 𝐶
Also, z=√𝑅2+ ( 𝑋 𝐿 − 𝑋 𝐶)2 = √ 𝑅2 =R
z= min
51.d
𝑊𝑡.𝑜𝑓 𝑜𝑥𝑖𝑑𝑒
𝑤𝑡.𝑜𝑓 𝑐ℎ𝑙𝑜𝑟𝑖𝑑𝑒
=
𝐸.𝑊 𝑜𝑓 𝑚𝑒𝑡𝑎𝑙+𝐸.𝑊 𝑜𝑓 𝑜𝑥𝑖𝑑𝑒
𝐸.𝑊 𝑚𝑒𝑡𝑎𝑙+𝐸.𝑊 𝑜𝑓 𝑐ℎ𝑙 𝑜 𝑟𝑖𝑑𝑒
3/5 =
𝑀+8
𝑀+35.5

6. M=33.25
52.b
53.b
We have W=2It=2𝜃
For, 𝜃 = 2, W= 2z
z=W/2
54.b
For, n=4, l=3, m=-2 & ½
[ o for s, 1 for p, 2 for d, 3 for f]
Ans: 4f
55.b
Mesomeric=resonance: delocalization of 𝜋 electrons.
Electromeric= complete transfer of 𝜋 − 𝑒 to one of the atom linked by multiple bonds.
56.a
Sulphuric acid is also called oil of vitrol.
57.d
Composition is: Ar>Ne>He>Kr>Xe
58.a
59.a
Antipyretic: lowers body temperature
Antibiotic: chemical obtain from living organism and inhibits growth of other.
Antiseptic: only harm bacteria not body cells.

7. 60.d
61.d
Phytophages: plant eating virus
Mycophages: fungi eating virus
62.b
Coralloid root is association of BGA with cycas. Mycorrizhal roots in pinus for absorption & 𝑁2 fixation.
63.d
Chalazogamy: through chalaza
Syngamy: fusion of male & female gametes
Mesogmy: through integuments
Porogamy: through micropyle
64.c
Mitosis is equational cell division on the basis of chromosomes number but reductional on the basis of
DNA content not on DNA number.
65.a
Gametocyte of fern is prothallus which is independent.
66. c
Ascent of sap is upward movement of water from root towards top of plant. Xylem is main conducting
tissue.
67.c
1st
stable compound in 𝐶3 cycle is PGA & OAA in 𝐶4 cycle.
𝐶𝑂2 acceptor in 𝐶3 is 𝑅4BP & 𝐶4 is PEP+𝑅4BP.
68.d
Purine base of DNA/RNA is adenine(A), guanine(G)

8. Pyrimidine bases in DNA: cytosine, thyamine/thymine
Pyrimidine bases in RNA: cytosine, uracil
69.a
Heliophytes: sun loving plants
Hydrophytes: plants growing in water
Xerophytes: plants in extreme condition.
70.c
Tetradynamous: outer 2 short, 4 inner long
Diadynamous: outer 2 long, 2 inner short
71.b
Frog has 3 liver lobe (right, mid & left) but lungs in frog is 2.
72.b
Galvanotaxis: response to electric current
Chemotaxis: response to chemicals
Phototaxis: response to light
73.d
Gastrulation results in the formatin of archenterone which opens outside through blastopore.
74.c
Coelentreta has polyps & medusa.
75.a
In proliferative phase, FSH makes griffin follicle ready for ovulation.
LH surge causes the ovulation.
FSH & LH are released from anterior pituitary.
76.d
Tadpole is herbivorous but during metamorphosis, it stops feeding.
77.a
24th
March: T.B. day
1st
December:AIDS day
5th
June: Environment day
78.b

9. Deltoid ridges are present in humerus but deltoid ligament in ankle joint.
79.c
Mac Gregor: Cro-Magnon
Fuhrott: Neanderthalman
Raymond Dart: Australopithecus
80.d
Trichocystes: organ for defense & offence
macronucleus: control vegetative characters/information
81.c
cancer,diabetes, rickets are non-communicable diseases
82.d
vit. K helps to clot the blood.
83.c
Capillaries have smallest and Veins are largest on diameter
84.b
bile and billirubin are produced from liver.
85.a
Milk contains maximum Ca++
86.c
lactose = glucose+ galactose
87.b
Humanoid main excreta is urine.
88.d
89.c
blood bank of human is spleen.
90.a
91.b
92.c
93.b
94.b

10. @BoBli (bone to bone ligament)
95.c
All muscles are originated from Mesoderm
96.a
97.d
Zn is component of insulin.
98.a
99.b
100.c