Question

The interaction of Rhizobium with root nodules of legume plants is called ______.

विकल्प

• predation

• commensalism

• symbiosis

• parasitism

Answer 1

The interaction of Rhizobium with root nodules of legume plants is called symbiosis.

Explanation:

Rhizobium and legume plants form a mutually beneficial, close association: the bacteria fix nitrogen and receive resources from the plant. This is symbiosis, not commensalism or parasitism.