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Question
Nitrogenous waste products are eliminated mainly as
Nitrogenous waste products are eliminated mainly as
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Solution
The correct option is B Urea in adult frog and ammonia in tadpole
Animals that excrete excess nitrogen in the form of ammonia are called ammonotelic. Excretion of ammonia occurs in aquatic animals (aquatic invertebrates, fishes, larvae, permanently aquatic amphibia). The route of ammonia diffusion in these animals is through skin, gills or kidneys. In mammals and semiterrestrial adult amphibians, urea is a major nitrogenous excretory product, therefore these animals are called ureotelic.
Animals that excrete excess nitrogen in the form of ammonia are called ammonotelic. Excretion of ammonia occurs in aquatic animals (aquatic invertebrates, fishes, larvae, permanently aquatic amphibia). The route of ammonia diffusion in these animals is through skin, gills or kidneys. In mammals and semiterrestrial adult amphibians, urea is a major nitrogenous excretory product, therefore these animals are called ureotelic.
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