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CGP EDU Academic Team
Published on: August 21, 2026
The following substances are the excretory products in animals. Choose the least toxic form among them.
Text Solution
Verified by ExpertsThe correct answer is:
Insects, land snails, lizards and birds change most of their nitrogenous waste into uric acid. It is least toxic and is insoluble in water. It therefore can be excreted as a semisolid paste with very little water loss. Urea moves to blood get filtered and eliminated with water as urine via kidneys.
Ammonia is very toxic and needs water for diffusion.
Carbon dioxide excretion takes place through the lungs.
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