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Karnataka Board PUCPUC Science Class 11

The following substances are the excretory products in animals. Choose the least toxic form among them?

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Question

The following substances are the excretory products in animals. Choose the least toxic form among them?

Options

  • Urea

  • Uric acid

  • Ammonia

  • Carbon dioxide

MCQ
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Solution

Ammonia

Explanation:

Ammonia is the most toxic form and requires a large amount of water for its elimination, whereas uric acid, being the least toxic, can be removed with a minimum loss of water.

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Chapter 19: Excretory Products and Their Elimination - Exercises [Page 108]

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NCERT Exemplar Biology Exemplar [English] Class 11
Chapter 19 Excretory Products and Their Elimination
Exercises | Q 1. | Page 108

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