Question

shows symbiotic relationship with bean plants.

• A. $Rhizobium$
• B. $Salmonella$ $typhi$
• C. $Vibrio$ $cholerae$

Answer 1

The correct option is A $Rhizobium$

Rhizobia produces nitrogenous compounds by fixing nitrogen from atmosphere and supplies them to leguminous plants such as pea, bean, soyabean, lentils etc. These plants in turn provide them with energy in the form of carbohydrates. Such a mutually beneficial relationship is called symbiotic relationship.