NEET Questions Solved

NEET - 2011

The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eyes is a derivative of

(a) vitamin-C

(b) vitamin-D

(c) vitamin-A

(d) vitamin-B

There are two types of photoreceptor cells of retina, namely rods and cones. The rods contain a purplish red protein called the rhodopsin or visual purple, which contains a derivative of vitamin-A.

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