In the human retina
A) cone cells can detect color, but rod cells cannot.
B) cone cells are more sensitive than rod cells to light.
C) cone cells, but not rod cells, have a visual pigment.
D) rod cells are most highly concentrated in the center of the retina.
E) rod cells require higher illumination for stimulation than do cone cells.

Question

Quizplus · Accepted Answer

Cone cells contain photopigments that allow for color vision, whereas rod cells do not. Rod cells are responsible for vision in low light conditions but cannot distinguish colors.

Answer: E
 Rod cells require less light to activate than cone cells and are responsible for vision in low-light conditions. Cone cells require higher illumination and are concentrated in the fovea, which provides high-resolution vision in well-lit conditions.

Therefore, the correct answer is not a single choice, but A and E together.

In the Human Retina