BIOLOGY IN HUMAN WELFARE
MICROBES IN HUMAN WELFARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following serve as biofertilizer in paddy fields?
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Bacteria
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Yeast
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Cyanobacteria
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Fungi
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Explanation:
Detailed explanation-1: -Cyanobacteria are used as biofertilizers mostly in paddy fields or rice fields. They help in nitrogen fixation and thus help in increasing the yield of rice.
Detailed explanation-2: -Cyanobacteria like Anaebena, Nostoc etc are considered useful in paddy fields as they enrich the soil with fixed Nitrogen that can be absorbed by the plants.
Detailed explanation-3: -Deficiency of nitrogen in crops is fulfilled by the use of biofertilizer in a sustainable manner. Cyanobacteria are the example of biofertilizer, they can fix less than 10 kg/ha Nitrogen.
Detailed explanation-4: -So the correct answer is ‘Nostoc’.
There is 1 question to complete.