NEET Solved Paper 2014 Question 66

Question: Which one of the following statements is not correct? [AIPMT 2014]

Options:

A) Retinal is the light absorbing portion of visual photopigments

B) In retina the rods have the photopigment rhodopsin, while cones have three different photopigments

C) Retinal is a derivative of vitamin-C

D) Rhodopsin is the purplish red protein present in rods only

Show Answer

Answer:

Correct Answer: C

Solution:

  • Retinal pigment epithelium shields the retina from excess incoming light. It supplies omega-3 fatty acid and glucose to the retina. The former for building photo receptive by membranes the latter for energy retinal is supplied by the visual vitamin-A cycle.