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Why are root nodules useful for the plants?
Answers (1)
Root nodules are specialized organs developed by the host plant, mostly legumes. Rhizobia are diazotrophic bacteria that fix nitrogen after becoming established inside the root nodules of legumes Rhizobium is a genus of bacteria associated with the formation of root nodules on plants. These bacteria live in symbiosis with legumes. They take in nitrogen from the atmosphere and pass it on to the plant, allowing it to grow in soil low in nitrogen. Thus, root nodules are useful for plants.
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