(C) The correct answer is $C$. Retinal is an aldehyde derivative of vitamin $A$,not vitamin $C$. Vitamin $A$ (retinol) is essential for the synthesis

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Retinal is a derivative of vitamin $C$.

(C) The correct answer is $C$. Retinal is an aldehyde derivative of vitamin $A$,not vitamin $C$. Vitamin $A$ (retinol) is essential for the synthesis of retinal,which combines with opsin (a protein) to form photopigments like rhodopsin in the rods of the retina. Therefore,the statement that retinal is a derivative of vitamin $C$ is scientifically incorrect.

Class 11 Biology Neural Control and Coordination Eye

Medium

Which one of the following statements is not correct?

NEET 2014 All NEET

A
Retinal is the light absorbing portion of visual photo pigments.
B
In retina the rods have the photopigment rhodopsin while cones have three different photopigments.
C
Retinal is a derivative of vitamin $C$.
D
Rhodopsin is the purplish red protein present in rods only.