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\[N{{H}_{3}}\].