Biology · PYQ NEET UG 2017

Good vision depends on adequate intake of carotene-rich food. Select the best option from the following statements: i. Vitamin A derivatives are formed from carotene. ii. The photopigments are embedded in the membrane discs of the inner segment. iii. Retinal is a derivative of Vitamin A. iv. Retinal is a light absorbing part of all the visual photopigments.

1. i and ii
2. i, iii and iv
3. i and iii
4. ii, iii and iv