Question

19. Leguminous plants do not require the addition of nitrogenous fertilizers because

• A. they can fix up atmospheric nitrogen.
• B. of the presence of Rhizobium bacteria in their root nodules.
• C. they possess nitrogen in roots, and hence, do not require external intake.
• D. Both (A) and (B)

Answer 1

The correct option is D

Both (A) and (B)

Explanation for correct option:

• Leguminous are plants of the legume family, they include the plants like lentils, beans, etc.
• These plants contain rhizobium bacteria nodules in their roots.
• Rhizobium is the nitrogen-fixing bacteria.
• These microorganisms convert air nitrogen into soluble forms that plants may easily absorb.

Hence, the correct option is (D).