CBSE 12th Standard Biology Subject Microbes in Human Welfare Ncert Exemplar 3 Marks Questions With Solution 2021
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CBSE 12th Standard Biology Subject Microbes in Human Welfare Ncert Exemplar 3 Marks Questions With Solution 2021
12th Standard CBSE
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Reg.No. :
Biology
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Write a note on fermentation by microbes and its applications.
(a) -
In which way have microbes played a major role in controlling diseases caused by harmful bacteria?
(a) -
Choose any three microbes, from the following, which are suited for organic farming which is in great demand these days for various reasons. Mention one application of each one chosen.
Mycorrhiza, Monasus, Anabaena, Rhizobium, Methanobacterium, Trichoderma(a) -
'Determination of Biological Oxygen Demand (BOD) can help in suggesting the quality of a water body'. Explain.
(a) -
Explain how are microbes important for humans.
(a)
3 Marks