Q.
In earthworm, pharyngeal nephridia are present as three paired tufts in the segments
A) 3rd, 4th and 5th
B) 4th, 5th and 6th
C) 5th, 6th and 7th
D) 6th, 7th and 8th
Explanation
Pharyngeal nephridia are present as three paired tufts in the segments 4th, 5th, 6th. They discharge excretory matter into the gut (buccal cavity and pharynx) by these paired ducts
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.