Q. Which of the following nephridia is responsible for exonephric excertion in earthworm?
A) Septal nephridia
B) Pharyngeal nephridia
C) Integumentary nephridia
D) All of these
Explanation
Integumentary nephridia are attached to the inner surface of the body wall in all the segments except the first two. They discharge waste matter to the exterior by nephridiopores. Therefore, they are responsible for the exonephric excretion
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.