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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources3 Marks
Question
What is nitrogen fixation?
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Answer

The conversion of atmospheric nitrogen into ammonia $NH_3$ is known as nitrogen fixation. Bacteria that perform nitrogen fixation are either free living or they may form symbiotic associations with other organisms. Eg$-$ protozoans, termites.

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