NEET BiologyNCERT Class 12Biology and Human Welfare
Microbes in Human Welfare: NEET questions with solutions
This chapter covers microbes in food, industry, sewage treatment, biogas, biocontrol and biofertilisers. Marks are lost on exact organism-product pairs, which drinks are distilled and the stages of sewage treatment.
Revise first: NCERT notes for Microbes in Human WelfareQuestions
10 questions · answers after you pick
1The large holes in Swiss cheese are produced by the release of carbon dioxide from which microbe?Microbes in household productsEasySingle correct2The first antibiotic to be discovered, penicillin, is obtained from which organism?Microbes in industrial productsEasySingle correct3Which group of microbes is mainly responsible for generating methane in a biogas plant and also lives in the rumen of cattle?BiogasEasySingle correct4Statements I and II below concern the production of alcoholic drinks by yeast. Which of the options is correct?Fermented beveragesMediumStatement based5Read the Assertion and the Reason about the secondary stage of sewage treatment, and choose the correct option.Sewage treatmentMediumAssertion–Reason6Match the organic acid in Column I with the microbe that produces it in Column II.Microbes in industrial productsMediumMatch the following7Statins, used to lower blood cholesterol, are obtained from which microbe, and how do they act?Bioactive moleculesMediumSingle correct8A water sample from a river is found to have a very high biochemical oxygen demand. What does this indicate?Sewage treatmentMediumSingle correct9Which of the following pairings of a microbe and its role is INCORRECT?BiofertilisersHardSingle correct10Which description of the baculoviruses used in integrated pest management is correct?Biocontrol agentsHardSingle correct
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