61.
Myopia is a defect in human eyes in which the image is formed
A
Behind retina and can be corrected by using convex lens
B
Behind retina and can be corrected by using concave lens
C
Infront of retina and can be corrected by using concave lens
D
Infront of retina and can be corrected by using convex lens
Answer :
Infront of retina and can be corrected by using concave lens
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62.
To correct myopia vision one should use
A
Convex lens
B
Conave lens
C
Plane lens
D
None of the above
Answer :
Conave lens
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63.
Photosensitive compound in human eye is made up of
A
Guanosine and Retinol
B
Opsin and Retinal
C
Opsin and Retinol
D
Transducin and Retinene
Answer :
Opsin and Retinal
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64.
Ear dust in not situated in endolymph of
A
Utriculus
B
Ampulla
C
Sacculus
D
Endolymphatic sac
Answer :
Ampulla
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65.
Blind spot in the eye is located
A
In the center of pupil
B
In the center of lens
C
In fovea centralis
D
Where optic nerves leaves retina
Answer :
Where optic nerves leaves retina
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66.
The fluid found in semicircular canals of internal ear of rabbit is
A
Perilymph
B
Endolymph
C
Haemolymph
D
Lymph
Answer :
Endolymph
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67.
During the propagation of a nerve impulse, the action potential results from the movement of :
A
$${K^ + }$$ ions from extracellular fluid to intracellular fluid
B
$$N{a^ + }$$ ions from intracellular fluid to extracellular fluid
C
$${K^ + }$$ ions from intracellular fluid to extracellular fluid
D
$$N{a^ + }$$ ions from extracellular fluid to intracellular fluid
Answer :
$$N{a^ + }$$ ions from extracellular fluid to intracellular fluid
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68.
Function of iris is to
A
move lens forward and backward
B
refract light rays
C
bring about movements of eye lids
D
alter the size of pupil
Answer :
alter the size of pupil
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69.
In the tympanic cavity there is an aperture in which the stapes is fitted it is
A
Foramen rotundus
B
Foramen triosseum
C
Fenestra ovalis
D
Fenestra rotundus
Answer :
Fenestra ovalis
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70.
Body balance during dynamic condition is initiated by which structure
A
Otoconia
B
Cupula
C
Stereocilia of crista
D
Kinocillium of maculae
Answer :
Cupula
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