Q. Excretory matter of the earthworm is mainly
A) Nigroneous waste
B) Urea
C) Ammonia
D) None of these
Explanation
Earthworm is ureotelic animal. Their excretory matter is mainly urea. Their discharge of waste matter via gut is an adaptation to conserve water by its reabsorption in the gut
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.