(a) fixation of nitrogen in legumes
(b) fixation of atmospheric nitrogen
(c) conversion from nitrate to nitrite in legumes
(d) conversion from ammonium to nitrate in soil
[CBSE AIPMT 2004]
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Edited: Aug 25, 2021
If by radiation all nitrogenase enzymes are inactivated, then there will be no
If by radiation all nitrogenase enzymes are inactivated, then there will be no
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Correct Option (a) Reason : The enzyme nitrogenase is required for the process of biological nitrogen fixation only. Fixation of atmospheric nitrogen occur through other route also. Neither nitrification (conversion of ammonium to nitrate) nor conversion of nitrate to nitrite require nitrogenase.