Good vision depends on adequate intake of carotene rich food
Select the best option from the following statements
(A) Vitamin A derivatives are formed from carotene
(B) The photopigments are embedded in the membrane discs of the ineer segment
( C) Retinal is a derivative of Vitamin A
(D) Retinal is a light absorbing part of all the visual photopigments

Options

A. (a) and (b)
B. (a) , ( c) and (d)
C. (a) and ( c )
D. (b) , ( c) and (d)

Explanation

Carotene is the source of retinal which is involved in formation of rhodopsin of rod cells. Retinal, a derivative of vitamin A, is the lightabsorbing part of all visual photopigments.