Question

_______ is present in rods and useful for night vision.

• A. Rhodopsin
• B. Vitamin C
• C. Melanin
• D. Vitamin K

Answer 1

The correct option is A Rhodopsin

A. Rhodopsin is derivative of vitamin A. It is a photopigment of rods which are a kind of photoreceptors present in retina and associated with low light vision.

B. Vitamin C, also known as ascorbic acid, is a water soluble vitamin.

C. Melanin is a pigment present in the skin of humans. It is responsible for darkening of skin.

D. Vitamin K, known as blood clotting vitamin, is a fat soluble vitamin.

So, the correct answer is 'Rhodopsin'.