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Rhizobium is a free-living bacterium that fixes atmospheric nitrogen.

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in Biology – Class 12 by (271k points)
Rhizobium is a free-living bacterium that fixes atmospheric nitrogen.

(a) True

(b) False

I had been asked this question by my college professor while I was bunking the class.

Question is from Microbes as Biofertilizers topic in portion Microbes in Human Welfare of Biology – Class 12

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The correct choice is (b) False

To explain I would say: The nodules on the root of some leguminous plants are in the symbiotic association with Rhizobium. These bacteria fix atmospheric nitrogen into organic forms, which is used by the plant as nutrient.

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