Q. In which of the following organisms testes descend into scrotum in breeding season but in non-breeding season goes up?
A) Frog
B) Kangaroo
C) Shrew
D) Bat
Explanation
In seaconally breeding mammals, the testis descend in scrotum only in breeding season. They remain in the abdomen at other time, e.g., bat and otter.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.