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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
What is the correct sequence of occurrence in nitrogen cycle?
  • A
    Nitrification, ammonification, nitrogen$-$fixation, denitrification.
  • B
    Denitrification, nitrogen$-$fixation, denitrification, ammonification.
  • C
    Ammonification, denitrification, nitrogen$-$fixation, nitrification.
  • ✓
    Nitrogen$-$fixation, ammonification, nitrification, denitrification.
✓

Answer

Correct option: D.
Nitrogen$-$fixation, ammonification, nitrification, denitrification.
The nitrogen cycle involves three major steps: Nitrogen fixation, nitrification, and denitrification. It is a cycle within the biosphere which involves the atmosphere, hydrosphere, and lithosphere. Nitrogen is found in several locations, or reservoirs.

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