Question

Out of the two types of photoreceptors of a human eye, the measure intensity of light whereas the sense colours.

• A. cones
• B. rods
• C. optic nerves
• D. ciliary muscles

Answer 1

Answer: (A), (B)

The correct options are
A cones
B rods

There are two types of photoreceptors in the retina of a human eye. They are called the rods and the cones. They have different functions. The function of the rods is to measure the intensity of light where as the the cones sense colours.