Question

Why are root nodules useful for the plants?

Answer 1

Answer:

Root nodules provide a home for symbiotic nitrogen-fixing bacteria called rhizobia. This relationship is particularly common in nitrogen-limited conditions. The Rhizobia convert nitrogen gas from the atmosphere into ammonia, which is then used in the formation of amino acids and nucleotides .

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Answer 2

Answer:

Root nodules are special parts on the roots of plant where nitrogen fixing bacteria are present. These bacteria convert inert aerial nitrogen into nitrates for use of plants. The process of bio fixation of Nitrogen by some nitrogen fixing bacteria like rhizobium etc.,is called as nitrogen fixation .

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