Question

The ability of the eye to see in the dark is due to the production of a purple pigment known as?

(a) Carotene

(b) Rhodopsin

(c) Iodopsin

(d) Retinene

Answer 1

Answer is RhodopsinOption-(B)

Our eyes consist of two types of cells to see light. They are rods and cons.

The cone cells perceive fine detail and color but need bright light in order to do so. Rod cells can only see black and white and have poor resolution, but remain sensitive even in very low light.

rods and cones in our eyes contain light-sensitive chemicals called photopigments. When exposed to light, photopigments go through a chemical reaction that converts light energy to the electrical activity our brains know how to interpret. Rhodopsin is the photopigment used by the rods and is the key to night vision. Intense light causes these pigments to decompose reducing sensitivity to dim light.

Hope it helps:)

Answer 2

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Option D

Retinene is better known as retinaldehyde or simply retinal and is fundamental in the transduction of light into visual signals in the photoreceptor level of the retina (known as the visual cycle).

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