Mineral Nutrition Question 43

43. The function of leg haemoglobin in the root nodules of legumes is :

(a) inhibition of nitrogenase activity

(b) oxygen removal

(c) nodule differentiation

(d) expression of nif gene

Show Answer

Answer : b

Hints & Solution

(b) Leghaemoglobin is the haemoglobin like red pigment found in root nodules of legumes and reported to function as an oxygen-carrying pigment in symbiotic nitrogen fixation.