NEET Biology question

Biology Microbes in Human Welfare NEET

[NEET] Select the correct statement about biofertilisers.

(A)Azospirillum and Azotobacter are free-living nitrogen-fixing bacteriaCorrect
(B)Rhizobium is a free-living nitrogen-fixing bacterium found only in soil
(C)Mycorrhiza is a type of bacterium that forms nodules on roots
(D)Cyanobacteria cannot fix atmospheric nitrogen

Answer: (A)

Solution

NEET-level NCERT-based knowledge confirms Azospirillum and Azotobacter as free-living, non-symbiotic nitrogen

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Question ID VK-124782