Question

What are root nodules? how are they helpful

Answer 1

Root nodules are extra lobes of certain plants such as peas and beans in which nitrogen-fixing bacteria are found. Leguminous plants are plants with root nodules. Bacteria in these root nodules convert the atmospheric nitrogen into nitrates which the plants can utilise. The plants use this nitrogen to synthesise proteins and other materials.

Answer 2

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roots nodules are usually formed in leguminous plant they are useful for plant because they fix nitrogen fixing bacteria such as ribosome that fix atmospheric nitrogen to plant.
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