Q. Almost all the aquatic animals excrete ammonia as the nitrogenous waste product. Which of the following statements is not in agreement with this situation?
A) Ammonia is easily soluble in water
B) Ammonia is released from the body in gaseous state
C) Ammonia is highly toxic and needs to be eliminated as and when formed
D) Ammonia gets converted into a less toxic form called urea
Explanation
Ammonia is the universal excretory of the waste product of nearly all aquatic animals, because of the following reasons : 1.It is readily soluble in water and also needs large amounts of water to dissolve. 2.It is highly toxic to internal environment of the organism and needs to be eliminated as and when it is formed. 3.It is converted to a less toxic product in aquatic animals like sharks, string rays, semi-aquatic amphibians, aquatic or semi-aquatic reptiles and aquatic mammals.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.