What is the role of Rhizobium in the formation of nodules on the roots of leguminous plants?

What is the role of Rhizobium in the formation of nodules on the roots of leguminous plants?
  1. To fix atmospheric nitrogen into organic forms
  2. To improve the soil nutrient quality
  3. To decrease environmental pollution
  4. To increase demand for agricultural produce

Solution

Rhizobium forms nodules on the roots of leguminous plants and fixes atmospheric nitrogen into organic forms, which is used by the plant as a nutrient.

Asked in: NCERT

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