COPY: Nitrogen Cycle and Microorganisms Quiz
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COPY: Nitrogen Cycle and Microorganisms Quiz

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Questions and Answers

What is ammonification in the nitrogen cycle?

  • The process of decomposition of dead plants and animals into humus in soil (correct)
  • The formation of amino acids
  • The conversion of nitrogen gas into ammonia
  • The assimilation of ammonia into amino acids
  • None of the above

    • Which process aids in overcoming imbalances created in the nitrogen cycle by overloading it with waste and excretory materials?

  • An in-depth knowledge of nitrogen cycle processes (correct)
  • Nitrogen fixation by bacteria
  • Nitrification
  • Denitrification
  • None of the above

    • What is the role of microorganisms in the nitrogen cycle?

  • Fixing atmospheric nitrogen into forms that can be utilized by plants (correct)
  • Causing imbalances in the nitrogen cycle
  • Contributing to the overloading of the nitrogen cycle with waste and excretory materials
  • Preventing the formation of amino acids
  • None of the above

    • What is the significance of biological nitrogen fixation?

    <p>It allows a unique group of bacteria to fix atmospheric nitrogen into ammonia and assimilate it into amino acids</p> Signup and view all the answers

    What would happen if there was no degradation and subsequent return of nitrogen from a wide variety of compounds to the nitrogen cycle?

    <p>Higher forms of life could not exist</p> Signup and view all the answers

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