Question

What is nitrogen fixation? Give an example of a bacteria which help in doing this.

Answer 1

The process by which the nitrogen in our surrounding gets converted into organic compounds or ammonia available to living organisms (especially plants) is called Nitrogen Fixation.
Example - Rhizobium.

Answer 2

The definition of nitrogen fixation and the bacteria doing this is given below:

• Nitrogen fixation is the natural or industrial process by which the atmospheric nitrogen compounds which are compounds of inert gas are converted into useful nitrogen compounds.
• Nitrogen is fixed to gases like ammonia, nitrates, or nitrates.
• The process can be industrial (chemical) or natural (biological).
• The bacteria which fixes atmospheric nitrogen is Rhizobium. Most of the nitrogen is fixed by this bacteria.

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