The product$(s)$ of the reaction catalyzed by nitrogenase in the root nodules of leguminous plants is/are:

  • A
    Ammonia and hydrogen
  • B
    Ammonia alone
  • C
    Nitrate alone
  • D
    Ammonia and oxygen

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Explain: Biological Nitrogen Fixation.

Which of the following is an example of a free-living and anaerobic $N_2$-fixing bacterium?

The first stable product formed during atmospheric nitrogen fixation in leguminous plants is -

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

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