The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorized as
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A nitrogen fixing microbe associated with Azolla in rice fields is |
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Genetic diversity in agricultural crops is threatened by: |
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Two microbes found to be very useful in genetic engineering are |
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Azolla is used as a biofertilizer because it |
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Green manure plants used by farmer mainly belong to |
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Rotenone is |
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Which of the followings is mainly produced by the activity of anaerobic bacteria on sewage? |
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Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct? |
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Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition? |
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The biological control of agricultural pests, unlike chemical control is |
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