Question

What is scotopic vision, and which photoreceptors are involved?

a) Low-light vision; Cones
b) Color vision; Rods
c) Peripheral vision; Cones
d) Night vision; Rods

Answer 1

Scotopic vision is night vision facilitated by rods in the retina, sensitive to dim light and not involving color detection. Therefore, the answer is d) Night vision; Rods.

Step-by-step explanation:

Scotopic vision refers to night vision, which is the ability to see in low-light conditions. The photoreceptors involved in scotopic vision are the rods, which are located in the retina. Rods are highly sensitive to light and do not convey color information, instead detecting shades of gray. Hence, scotopic vision is optimized for low-light conditions and does not provide color vision. In contrast, cones are the photoreceptors responsible for color vision and they function best under bright light conditions.

In summary, the correct answer to the question is d) Night vision; Rods.