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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.
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
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= ?
?2?
a= PV2
=
?????
????? *(volume)2
a= force *length*volume
=mass*acceleration*length*length3
=mass*velocity/time*length4
=mass*distance/time*1/time*length4
=mass*
??????5
????2?
=[ML5
T-2
]
42. d
Volume is conserved so,
2*4
3? ¦Ðr3
= 4
3? ¦ÐR3
R= ¡Ì2
3
r = 1.2r
43. b
We have,
a= w2
r
=(2¦Ðf)2
*r
=4¦Ð2
*22
*25/100 = 4¦Ð2
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.
= ms1d?+mL1+ms2d?+mLv
=1*0.5*100+1*80+1*1*100+1*536
=50+80+100+536
=766 cal
45. c
46. b
47. b
?=
?
?
=
3?108
?
v=
3?108
1.5
= 2*108
m/s
48. c
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= qvBsin?
If ?=90?C, F= qvB
Also, centripetal force= qvB
??2
?
= qvB
r= ??
??? = 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 ¨C 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=
?
10
NaOH
=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.
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
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
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
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.

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Set 7 ans 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= ? ?2? a= PV2 = ????? ????? *(volume)2 a= force *length*volume =mass*acceleration*length*length3 =mass*velocity/time*length4 =mass*distance/time*1/time*length4 =mass* ??????5 ????2? =[ML5 T-2 ] 42. d Volume is conserved so, 2*4 3? ¦Ðr3 = 4 3? ¦ÐR3 R= ¡Ì2 3 r = 1.2r 43. b We have, a= w2 r
  • 4. =(2¦Ðf)2 *r =4¦Ð2 *22 *25/100 = 4¦Ð2 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. = ms1d?+mL1+ms2d?+mLv =1*0.5*100+1*80+1*1*100+1*536 =50+80+100+536 =766 cal 45. c 46. b 47. b ?= ? ? = 3?108 ? 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= qvBsin? If ?=90?C, F= qvB Also, centripetal force= qvB ??2 ? = qvB r= ?? ??? = 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 ¨C 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= ? 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.