Draw a well-labelled diagram of the nitrogen cycle.
GeneralClass 12AllAnswered 27 Mar 2026
Answer
The nitrogen cycle illustrates the transformation of nitrogen through various forms in the ecosystem:
Key Processes:
- Nitrogen Fixation: Atmospheric N₂ → NH₃ (biological, industrial, electrical)
- Ammonification: Organic nitrogen → NH₃
- Nitrification: NH₃ → NO₂⁻ → NO₃⁻
- Uptake: NO₃⁻ → Plant biomass → Animal biomass
- Denitrification: NO₃⁻ → N₂ (returns to atmosphere)
(The PDF contains a detailed labeled diagram showing these interconnections)
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