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The function of leghaemoglobin in the root nodules of legumes is

(a) Oxygen removal

(b) Nodule differentiation

(c) Expression of nif gene

(d) Inhibition of nitrogenase activity

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Correct option (a) Oxygen removal

Explanation :

Leghaemoglobin is an oxygen scavenger. It  protects the nitrogen fixing enzyme nitrogenase from oxygen.

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