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 light absorbing part of all the visual photopigments.
Option 1 : (b), (c) and (d)
Option 2 : (a) and (b)
Option 3 : (a) and (c)
Option 4 : (a), (c) and (d)
