Which statement concerning colour vision is correct?
A) It is accomplished by rods at night and cones during the day.
B) It depends on the three cone types' various ratios of stimulation in response to different wavelengths of light.
C) It is usually lost in vitamin A deficiency.
D) It depends on activation of a specific cone for each visible colour.

Question

Quizplus · Accepted Answer

Colour vision is accomplished by three types of cones that respond differently to different wavelengths of light. These cones are responsible for our ability to perceive colour. When different ratio of stimulation happens in cones in response to light of different wavelengths instead of rods, the person can see different colours.

Which Statement Concerning Colour Vision Is Correct