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Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is incorrect during this process of nitrogen fixation?

A) Leghaemoglobin scavanges oxygen and is pinkish in colour.

B)        Nitrogenase is insensitive to oxygen.

C)        Nodules act as sites for nitrogen fixation.

D)        The enzyme nitrogenase catalyses the conversion of atmospheric \[{{N}_{2}}\] to\[N{{H}_{3}}\].