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31.

Common defect developing in the eyes of persons of old age is:

A.	Hypermetropia	B.	Myopia
C.	Astigmatism	D.	Glaucoma

32.

Common eye defect that develops in old age is:

A.	Glaucoma	B.	Presbyopia
C.	Myopia	D.	Astgmatism

33.

Lenses used by the persons who cannot see objects of nearby are:

A.	Concave	B.	Convex
C.	Plane	D.	Bifocal

34.

Lenses to be used by a person who cannot see distant objects are:

A.	Concave	B.	Convex
C.	Plane	D.	Bifocal

35.

Rhodopsin is related to:

A.	Cornea	B.	Sclera
C.	Choroid	D.	None of these

36.

The pigment that helps some nocturnal animals to see during night is:

A.	Porphyrin	B.	Guanin
C.	Heparin	D.	Carotene

37.

Tepatum lucidum is found in the eyes of:

A.	Deep sea fishes	B.	Elephant
C.	Carnivores	D.	None of these

38.

In the eyes of hoofed mammals, elephant, whales etc, is found:

A.	Tepatum lucidum	B.	Tepatum fibrosum
C.	Tepatum cellulosum	D.	None of these

39.

Tepatum callulosum is found in the eyes of:

A.	Carnivores	B.	Elephant
C.	Hoofed mammals	D.	Whale

40.

Tepatum fibrosum is found in the eyes of:

A.	Hoofed mammals	B.	Elephant
C.	Whales	D.	All of these