Question

Rhizobium fixes nitrogen in the nodules of leguminous plant: 



Stem

Roots

Leaves

Flowers​

Answer 1

Answer:

Rhizobium is a bacterium found in soil that helps in fixing nitrogen in leguminous plants. It attaches to the roots of the leguminous plant and produces nodules. These nodules fix atmospheric nitrogen and convert it into ammonia that can be used by the plant for its growth and development.

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Answer 2

Answer:

Correct option is (b) Roots.

Explanation:

Rhizobia are a "group of soil bacteria that infect the roots of legumes to form root nodules". Rhizobia are found in the soil and after infection, produce nodules in the legume where they fix nitrogen gas from the atmosphere turning it into a more readily useful form of nitrogen.

• Rhizobium fixes nitrogen in the nodules of leguminous plant Roots.

So, Correct option is (b) Roots.

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