Which of these microorganisms lives in the root nodules of leguminous plants?

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Solution

Correct option: (b) Rhizobium.

$∙$ Rhizobium lives in root nodules of leguminous plants and establish a symbiotic relationship with the plant.
$∙$ Rhizobium can fix atmospheric nitrogen, that is, it supplies the plants with nitrogenous compounds through nitrogen fixation.
$∙$ In return the legume plant furnishes a home and subsistence for the bacteria in root nodules.

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Similar questions

Name a bacterium that lives in the root nodules of leguminous plants.

Assertion — Rhizobium lives in the root nodules of leguminous plants.
Reason — It fixes nitrogen through a symbiotic relationship.

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