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Adaptation' of eyes in dark is due to...

Adaptation' of eyes in dark is due to

A

Depletion of vision pigment in rod

B

Depletion of vision pigment in cones

C

Repletion of vision pigment in rods

D

Repletion of vision pigment in cones

Text Solution

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The correct Answer is:
C
Rods cells are sensitive to dark because of the presence of photopigment rhodopsin which in strong light bleached due to the conversion of cis – retinal to trans – retinal. But is reformed in dim light i.e. dark.
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