Q. In earthworms, setae are present in all segments, expect the
A) First and the last segments
B) First and the clitellum
C) First segments
D) First, clitellum and last segments
Explanation
In earthworm, in each body segments, except the first, last and clitellum, there are rows of S-shaped setae, embedded in the epidermal pits in the middle of each segments. Their principle role is in locomotion.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.