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 inner segment
(c) Retinal is a derivative of vitamin A
(d) Retinal is a light absorbing part of all the visual photopigments

A

(a) and (c)

B

(b), (c) and (d)

C

(a) and (b)

D

(a), (c) and (d)