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12.Ecosystem
normal
The function of leghaemoglobin during biological nitrogen fixation in root nodules of legumes is to
A
convert atmospheric $N_2$ to $NH_3$
B
convert ammonia to nitrite
C
transport oxygen for activity of nitrogenase
D
protect nitrogenase from oxygen
(AIIMS-2006)
Solution
Leghaemoglobin is an oxygen scavanger. It combines with oxygen and protects nitrogenase which catalyses the fixation of nitrogen under anerobic conditions.
Standard 12
Biology
