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Question

The size of the pupil becomes ___ when you see in dim light.


A

large

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B

small

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C

shut

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D

thin

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Solution

The correct option is A

large


The amount of light entering the eye is controlled by the muscles of the iris which contract or dilate the pupils. The pupil becomes larger in dim light to allow more light to go in and in bright light it constricts or becomes smaller to restrict the amount of light going in.


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