NEET 2011 Biology question

Which one of the following is not a biofertilizer ?

(1)AgrobacteriumCorrect
(2)Rhizobium
(3)Nostoc
(4)Mycorrhiza

Answer: (1)

Solution

Biofertilizers are living organisms that enrich soil nutrient content, for example the symbiotic bacterium Rhizobium (nitrogen fixation in legumes), the cyanobacterium Nostoc (free-living nitrogen fixer) and

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Question ID VK-090846