Q.
Which one of the following correctly describes the location of some body parts in the earthworm Pheretima?
A) Two pairs of accessory glands in 16-18 segments
B) Four pairs of spermathecae in 4-7 segments
C) One pair of ovaries attached at intersegmental septum of 14^(th) and 15^(th) segments
D) Two pairs of testes in 10^(th) and 11^(th) segments
Explanation
In earthworm, two pairs of testes are found in 10^(th) and 11^(th) segments, accessory glands in 17^(th) and 19^(th) segments, four pairs of spermathecae from 6^(th) to 9^(th) segment and one pair of ovaries in 13^(th) segment.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.