A) convert atmospheric \[{{N}_{2}}\] to\[N{{H}_{3}}\]
B) transport \[{{O}_{2}}\]for activity of nitrogenase
C) convert ammonia to nitrate
D) protect nitrogenase from oxygen
Correct Answer: D
Solution :
The pigment leghaemoglobin is similar to haemoglobin of RBCs. It has the ability to combine very rapidly with \[{{O}_{2}}\] and thus acts as a effecient \[{{O}_{2}}\] scavenger. It protects the nitrogenase from oxygen because this enzyme is active in anaerobic conditions.
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