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.

Options

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

Answer

B