Excretory Products and their EliminationMedium
Question
Nitrogenous waste products are eliminated mainly as
Options
A.urea in tadpole and ammonia in addlt frog
B.ammonia in tadpole and urea in adult frog
C.urea in both tadpole and adult frog
D.urea in tapole and uric acid in adult frog
Solution
Ammonia is the main nitrogenous waste. It is soluble in water and highly toxic. A large amount of water is required for its excretion. Tadpole is aquation and lives in plenty of water so, nitrogenous wastes in tadpole are eliminated as ammonia.
Frog being amphibious, excretes its nitrogenous wastes as urea.
Frog being amphibious, excretes its nitrogenous wastes as urea.
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