Which one is not a biofertilizer?

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Question

(C) Biofertilizers are organisms that enrich the nutrient quality of the soil. $Nostoc$ is a cyanobacterium that fixes atmospheric nitrogen. $Mycorrhi

Vedclass · Accepted Answer

Agrobacterium

Vedclass · Answer

(C) Biofertilizers are organisms that enrich the nutrient quality of the soil. $Nostoc$ is a cyanobacterium that fixes atmospheric nitrogen. $Mycorrhiza$ is a symbiotic association between a fungus and the roots of higher plants, which helps in phosphorus absorption. $Rhizobium$ is a symbiotic bacterium that fixes atmospheric nitrogen in the root nodules of leguminous plants. $Agrobacterium$ is a soil bacterium used primarily as a vector in genetic engineering (e.g., $Agrobacterium 	ext{ tumefaciens}$) to transfer genes into plants; it is not classified as a biofertilizer.

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