Question

In root nodules of legumes, leg haemoglobin is important because :–

Answer 1

bcz they help in fixing nitrogen in side the soil and plants

Answer 2

Leghemoglobin buffers the concentration of free oxygen in the cytoplasm of infected plant cells to ensure the proper function of root nodules. ... Its function is to help provide oxygen to the respiring symbiotic bacterial cells in a manner analogous to hemoglobin transporting oxygen to respiring tissues in animals.