Question:

Which one of the following is a highly toxic nitrogenous substance?

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Effective water filtration and regular testing for ammonia levels are crucial in aquatic pet environments to prevent ammonia poisoning.
Updated On: Mar 18, 2025
  • Ammonia
  • Urea
  • Uric acid
  • Hippuric acid
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The Correct Option is A

Solution and Explanation

Examining toxicity of nitrogenous wastes. Ammonia (NH3) is a highly toxic waste product of protein metabolism. Due to its high solubility in water and ability to raise pH, it can be particularly harmful to cellular processes if not quickly converted to urea or uric acid or excreted from the body. Its toxicity is a critical concern in both aquatic environments and tightly confined spaces like barns or aquariums.
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