Nitrogen Quizzes & Trivia

Nitrogen (N) is one of the building blocks of life: it is essential for all plants and animals to survive. It is found in all living systems as part of the composition of biological compounds. Nitrogen makes up around 78% of the air you breathe. Fascinating, right? So, what do you know about nitrogen? Here are a few sample questions for you to see how much you know about this subject: What is reactive nitrogen? What is virtual nitrogen? What can you do to reduce nitrogen pollution? How do organisms use nitrogen? How animals can get their “organic nitrogen compounds”? Take this challenge and show us how much you know about nitrogen. Our special quizzes await you.


Questions: 6  |  Attempts: 79   |  Last updated: Jan 21, 2013
  • Sample Question
    What are four processes involved in the nitrogen cycle?

Nitrogen is one of the important gases found in the body. The nitrogen balance is calculated by subtracting nitrogen loss from nitrogen gain. A positive balance is better that a negative balance. How ready are you for the...

Questions: 8  |  Attempts: 65   |  Last updated: Jul 16, 2018
  • Sample Question
    What area of the body produces the essential amino acids?

Nitrogen balance is defined as the difference between Nitrogen input and Nitrogen Output. An ideal balance is required at all times so as to ensure support of life. Take up the quiz and see how well you understand the subject.

Questions: 5  |  Attempts: 14   |  Last updated: Apr 9, 2018
  • Sample Question
    What are the three states of Nitrogen Balance?

In Chemistry, an oxide is a chemical compound, which contains at least one Oxygen element in it. A combination of Nitrogen and Oxygen elements form Nitrogen Oxides, which we look more into in the quiz below. All the best.

Questions: 7  |  Attempts: 12   |  Last updated: Apr 9, 2018
  • Sample Question
    U.S. Environmental Protection Agency has failed to limit the amount of NOx air pollution allowed in these areas as required by the

A review quiz on the nitrogen cycle.

Questions: 20  |  Attempts: 5   |  Last updated: Feb 18, 2013
  • Sample Question
    Human production of reactive nitrogen is currently estimated to be about ____ Tg per year

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Nitrogen Questions and Answers


  • What are four processes involved in the nitrogen cycle?
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  • How is the conversion of nitrogen carried out?
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  • Where is nitrogen mainly found?
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  • What area of the body produces the essential amino acids?
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  • Which one of these amino acids is a non-essential amino acid.
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  • Dairy, Eggs, and Natural Sugars are good sources of protein.
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  • What are the three states of Nitrogen Balance?
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  • True or False: Nitrogen is located in the side chain of an amino acid.
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  • Which one of the foods listed will supply the most protien?
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  • U.S. Environmental Protection Agency has failed to limit the amount of NOx air pollution allowed in these areas as required by the
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  • Ozone pollution can decrease the ability for plants to convert _________ to ________, reducing plant growth.
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  • Particulates can affect:
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