Question

The purplish red pigment, rhodopsin contained in the rods type of photoreceptor cells of the human eye, is a derivative of

• A. Vitamin A
• B. Vitamin B
• C. Vitamin C
• D. Vitamin D

Answer 1

The correct option is A Vitamin A

Rhodopsin is the pigment of rod cells which absorbs green-blue part of the spectrum. Therefore, rod cells detect the dim light and respond to light intensity. Rhodopsin consists of the protein opsin and retinal. Retinal is a vitamin A derivative. So, the correct answer is option A.