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Which part of human eye controls the amount of light entering the eye? A Cornea B Retina C Pupil D Iris

Which part of human eye controls the amount of light entering the eye?

A

Cornea

B

Retina

C

Pupil

D

Iris

 

Grade:12

1 Answers

ankit singh
askIITians Faculty 614 Points
8 months ago

ANSWER

 

Correct answer is (D)
Iris is the ring of pigmented tissue surrounding the pupil that varies in color from person to person, it contract and dilates to control the amount of light entering the eye through the pupil. The pupil is the opening in the center of the iris where light enters the eye. 

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