In the chemistry of vision in mammals, the photosensitive substance is called
or The visual pigment in rods of retina of vertebrate eye which is responsible for detection of light is
or
It is present in rods and useful in night vision

Options

A. Selerotin
B. Retinol
C. Rhodopsin
D. Melanin

Answer

C

Explanation

Rods cells allow us to see in dim light. Because rods do not provide colour vision, in dim light we can see only black. The photopigment present in rods is called rhodopsin. It is a purplish – red protein composed of opsin and retinal. Opsin is a glycoprotein while renal is a derivative of vitamin A.