A) Ammonia is easily soluble in water
B) Ammonia is released from the body in a 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
Correct Answer: B
Solution :
Ammonia, is the universal excretory waste product of nearly all aquatic animals, because of following reasons. (i) It is readily soluble in water and also needs large amounts of its to dissolve. (ii) It is highly toxic to internal environment of the organism and needs to be eliminated as and when it is formed. (iii)It is converted to a less toxic product in aquatic animals like sharks, sting rays, semi-aquatic amphibians, aquatic or semi aquatic reptiles and aquatic mammals.
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