The process of conversion of atmospheric nitrogen ($N_2$) to ammonia ($NH_3$) is termed as:
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Correct answer: N2 fixation
Nitrogen fixation is the first step of the nitrogen cycle where stable atmospheric nitrogen is converted into ammonia. This can occur through biological, industrial, or electrical (lightning) processes.
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More Nitrogen cycle in nature questions
- Decomposition of organic nitrogen of dead plants and animals into ammonia is called:
- In the process of nitrification, ammonia is first oxidized to nitrite by which of the following bacteria?
- The conversion of nitrite ($NO_2^-$) to nitrate ($NO_3^-$) during nitrification is catalyzed by:
- Which of the following describes the nature of nitrifying bacteria?
- The process by which nitrates present in the soil are reduced back to gaseous nitrogen ($N_2$) is called:
- Which of the following bacteria are responsible for denitrification?