Q. The nitrogeneous metabolic waste in Hydra is mostly
A) Ammonia and is removed from whole surface of body
B) Urea and is removed mainly by tentacles
C) Urea and is removed from whole surface of body
D) Uric acid and is removed from whole surface of body
Explanation
In Hydra, the exchange of oxygen and carbon dioxide and the excertion of waste nitrogeneous matter (chiefly ammonia) occur directly by diffusion through cell membrane to outside.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.