Multiple choice

Name the organism which has only rod cells in its eye.

  1. Hen

  2. Man

  3. Owl

  4. Peacock

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Owls are nocturnal animals and their retinas are dominated by rod cells, which are highly sensitive to low light levels. This adaptation allows them to see well in the dark. Humans and many other diurnal animals have both rods and cones to facilitate both night and color vision.