NEET Biology question

Not in NEET syllabus

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct about this process?

(A)Leghaemoglobin scavenges oxygen and is pinkish in colour
(B)Nodules act as sites for nitrogen fixation
(C)The enzyme nitrogenase catalyses the conversion of atmospheric N2 to NH3
(D)Nitrogenase is insensitive to oxygenCorrect

Answer: (D)

Solution

Nitrogenase is, in fact, extremely sensitive to oxygen and is rapidly and irreversibly inactivated by it — this is precisely why leghaemoglobin exists, to

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Question ID VK-112943