The nodules present in the leguminous plants appear pink in colour due to the presence of

Root nodules in leguminous plants:

Root nodules in leguminous plants:

Why are root nodules useful for the leguminous plants?

The root nodules formed by leguminous plants have a red pigment called

Colour of the plants is green due to the presence of :

The roots nodules formed by leguminous plants have a red pigment called

The green colour of plants is due to the presence of _______ .

A section of the root nodule of a leguminous plant appears pinkish. Name the substance that imparts this colour and also mention its role.