CBSE 12th Standard Biology Subject Microbes in Human Welfare Ncert Exemplar 1 Marks Questions 2021
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CBSE 12th Standard Biology Subject Microbes in Human Welfare Ncert Exemplar 1 Marks Questions 2021
12th Standard CBSE
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Reg.No. :
Biology
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What are fermentors?
(a)Fermentors are the very large vessels used for growing microbes on an industrial/commercial scale.
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Why do we prefer to call secondary wastewater treatment as biological treatment?
(a)Secoundary wastewater treatment is called biological treatment as it uses microorganisms for treating the waste.
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Name the states involved in Ganga action
(a)U.P., Uttarakhand.
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What would happenif our interstine harbours microbial flora exactly similar to that found in the rumen of cattle?
(a)Cellulose will be digested and its functions as roughage may not be available.
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Why is distillation required for producing certain alcoholic beverages?
(a)Distillation improves /increases the alcohol content
1 Marks
