The cones of the retina
A)number about 120 million in each human eye.
B)are specialized for black, white, and gray sensations.
C)function best in bright light.
D)are responsible for night vision.

Question

Quizplus · Accepted Answer

The cones of the retina function best in bright light, which makes option C the correct answer. Option A is incorrect as the retina only contains about 6 million cones in a human eye. Option B is incorrect as cones are responsible for color vision, not black, white, and gray sensations. Option D is incorrect as rods, not cones, are responsible for night vision.

The Cones of the Retina