Q. Which one of the following correctly describes the location of some body parts in the earthworm Pheretima?
A) Four pairs of spermathecae in 4 – 7 segments.
B) One pair of ovaries attached at intersegmental septum of 14th and 15th segments.
C) Two pairs of testes in 10th and 11th segments.
D) Two pairs of accessory glands in 16 – 18 segments.
Explanation
[Solution from source] Pheretima has two pairs of testes in the 10th and 11th segments. The four pairs of spermathecae lie in segments 6-9, the single pair of ovaries is at the septum between segments 12 and 13, and the two pairs of accessory glands are in segments 17 and 19. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.