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Energy Flow in an Ecosystem — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceEnergy Flow in an Ecosystem3 Marks
Question
Write the important processes of the nitrogen cycle.
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Answer

  • Nitrogen fixation: Conversion of nitrogen into nitrates and nitrites through atmospheric, industrial and biological processes.
  • Ammonification: Release of ammonia through decomposition of dead bodies and excretory wastes of organisms.
  • Nitrification: Conversion of ammonia into a nitrite and then nitrate.
  • Denitrification: Conversion of nitrogen components into gaseous nitrogen.

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