Which bacteria fix atmospheric nitrogen while | vedclass

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(A) The correct answer is $Azotobacter$. $Azotobacter$ is a genus of free-living diazotrophic bacteria which are found in the soil and are capable of

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Azotobacter

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(A) The correct answer is $Azotobacter$. $Azotobacter$ is a genus of free-living diazotrophic bacteria which are found in the soil and are capable of fixing atmospheric nitrogen independently. $Rhizobium$ is a symbiotic nitrogen-fixing bacterium that lives in the root nodules of leguminous plants. $Cyanobacteria$ (like $Anabaena$ and $Nostoc$) can fix nitrogen,but in the context of soil-dwelling free-living bacteria,$Azotobacter$ is the classic example provided in the $NCERT$ textbook.

Which bacteria fix atmospheric nitrogen while they are free-living in the soil?

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