Nitrogen Cycle Steps Quiz
12 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the role of Nitrobacter in the nitrogen cycle?

  • Converting nitrites to nitrates (correct)
  • Absorbing nitrates in soil
  • Converting ammonia to nitrites
  • Fixing atmospheric nitrogen

Which process involves the conversion of ammonia into nitrites and nitrates?

  • Denitrification
  • Assimilation
  • Nitrification (correct)
  • Ammonification

Which microorganism is responsible for converting ammonia, nitrites, and nitrates into molecular nitrogen?

  • Nitococus bacteria
  • Nitomona bacteria
  • Pseudomonas (correct)
  • Bacillus vulgaris

What is the main source of inorganic nitrogen for plants?

<p>Dead organic remains (B)</p> Signup and view all the answers

Which step of the nitrogen cycle involves the reduction of nitrogen to ammonia?

<p>Ammonification (D)</p> Signup and view all the answers

What is the product of the reaction involving Nitrobacter converting nitrites to nitrates?

<p>$2NO_3^- + Energy$ (A), $2NO_3^- + Energy$ (C)</p> Signup and view all the answers

Which process involves the conversion of free nitrogen from the atmosphere into biologically available forms?

<p>Nitrogen fixation (C)</p> Signup and view all the answers

What are the two major ways for nitrogen fixation, as described in the text?

<p>Physiochemical fixation and biological nitrogen fixation (C)</p> Signup and view all the answers

Which group of bacteria can fix nitrogen in the soil by combining atmospheric nitrogen with hydrogen to form ammonia?

<p>Free-living bacteria (B)</p> Signup and view all the answers

In biological nitrogen fixation, which kind of bacteria live in the root nodules of legumes and stimulate nodule formation?

<p>Symbiotic bacteria (C)</p> Signup and view all the answers

What is the final product obtained after the process of physiochemical fixation involving lightning and electric discharge in clouds?

<p>Nitrates (C)</p> Signup and view all the answers

Which step of the nitrogen cycle involves converting ammonia into nitrites and nitrates by certain bacteria?

<p>Nitrification (B)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser