McqMate
| Q. |
Biofertilizers convert nitrogen to |
| A. | nitrates |
| B. | ammonia |
| C. | nitrogenase |
| D. | amino acids |
| Answer» B. ammonia | |
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Explanation: Bio-fertilizers are micro- organisms which bring about nutrientenrichment of soil by enhancing the availability of nutrients to crops. The micro-organisms which act as bio-fertilizers are bacteria, cyanobacteria (blue green algae) and mycorrhizal fungi. The symbiotic nitrogen- fixing bacteria convert free nitrogen to ammonia, which the host plant utilizes for its development. |
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