Excretory Systems Quiz

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Questions and Answers

Which of the following substances are excreted by animals as nitrogenous wastes?

  • Carbon dioxide, water, ions
  • Ammonia, urea, uric acid (correct)
  • Na+, K+, Cl-
  • Phosphate, sulphate

Which form of nitrogenous waste requires the least amount of water for elimination?

  • Urea
  • Uric acid (correct)
  • Carbon dioxide
  • Ammonia

Which process involves the excretion of ammonia?

  • Ureotelism
  • Uricotelism
  • Ammonotelism (correct)
  • Carbon dioxide excretion

Which organisms are typically ammonotelic in nature?

<p>Bony fishes, aquatic amphibians, aquatic insects (C)</p> Signup and view all the answers

How is ammonia generally excreted in fish?

<p>Exhalation through gills (B)</p> Signup and view all the answers

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