Q. In earthworm, copulatory papillae are present on segment
A) 17th to 19th
B) 19th to 21st
C) 21st to 23rd
D) 23rd to 25th
Explanation
In the line with male genital pores, the 17th-19th segments bear a pair of papillae each. These are called copulatory papillae. Each papilla has shallow, cup like pit and bears fine aperture of accessory glands
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.