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Question

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


A

they can fix up atmospheric nitrogen.

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B

of the presence of Rhizobium bacteria in their root nodules.

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C

they possess nitrogen in roots, and hence, do not require external intake.

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D

Both (A) and (B)

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Solution

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).


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