Question

Assertion (A): Leguminous plants are nitrogen fixers.

Reason (R): Leguminous plants have Rhizobium in their root nodules.

Options

• Both assertion (A) and reason (R) are true, and reason is the correct explanation of assertion.

• Both assertion (A) and reason (R) are true, but reason is not the correct explanation of assertion.

• Assertion (A) is true but reason (R) is false.

• Both assertion (A) and reason (R) are false.

Answer 1

Both assertion (A) and reason (R) are true, and reason is the correct explanation of assertion.

Explanation:

Both statements are true. Rhizobium in legume root nodules fixes atmospheric nitrogen, which is why legumes are associated with nitrogen fixation.