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Nitrogen Cycle Quizzes, Questions & Answers

Are you ready to embark on an exciting journey into the hidden world of the Nitrogen Cycle? Strap on your intellectual cape and prepare to become an expert in this crucial process that keeps our planet thriving! Our Nitrogen Cycle Quizzes will challenge your wits, tickle your brain cells, and reveal fascinating facts about Earth's invisible superhero. Ever wondered how nitrogen magically transforms from the air we breathe into essential nutrients for plants and animals?

Our interactive quizzes will take you through each stage of this amazing cycle, from nitrogen fixation to ammonification, nitrification, and denitrification. Read More

Top Trending Quizzes


Nitrogen is one of the primary nutrients critical for the survival of all living organisms. Although nitrogen is very abundant in the atmosphere. Take this short quiz to find out how much do you know about it.

Questions: 8  |  Attempts: 23922   |  Last updated: Jan 17, 2024
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    Nitrogen that is used by plants is in the form of...
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Explore the Nitrogen Cycle through targeted questions assessing knowledge on nitrogen fixation, the role of bacteria, and key processes like denitrification. Understand how nitrogen transitions between organic and inorganic...

Questions: 19  |  Attempts: 4217   |  Last updated: Jun 25, 2024
  • Sample Question
    What is the most common way that nitrogen fixation occurs?
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Are you a curious human interested in the biogeochemical and nitrogen cycle or general knowledge about this? The quiz will assist you in identifying the facts and answering questions about them. Share the quiz with friends to...

Questions: 10  |  Attempts: 3030   |  Last updated: Oct 23, 2024
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    Approximately ___ % of the worlds atmosphere is comprised of Nitrogen.
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What is a Nitrogen cycle? What does it entail? How much do you know about the cycle? Well it is a whole process and the quiz below probes on what happens in it. If you love Chemistry, this is good one for you. Enjoy!

Questions: 5  |  Attempts: 260   |  Last updated: Oct 16, 2024
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    Nitrogen is a key element in organisms and also makes up about 80% of the earth's  atmosphere. 
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Do you know anything about nitrogen fixation? It is a procedure by which molecular nitrogen in the air is converted into ammonia or related nitrogenous soil compounds. Nitrogen fixation is crucial to life because fixed inorganic...

Questions: 15  |  Attempts: 296   |  Last updated: Mar 20, 2023
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    N and P are nutrients substances required by the microorganism to survive. N is a limiting factor and depletion due to?
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