Question

Differentiate between the following on the basis of what is mentioned with bracket:

Rods and cones of retina (Type of pigment)

Answer 1

Rods:

1. They are the photoreceptor cells of the retina responsible for vision in dim light.

Cones:

1. They are the photoreceptor cells of the retina responsible for vision in bright light and color vision.

Rods	Cones
They contain the pigment rhodopsin	They contain the pigment iodopsin
Rhodopsin gets bleached away in bright light	Iodopsin is stimulated in bright light.