12th Biology Microbes In Human Welfare Quiz for 2026 exam

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Microbes MCQ Test Quiz

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Time: 10 Minutes for 10 Question.

12th Biology: Microbes In Human Welfare

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1. What is the primary role of lactic acid bacteria (LAB) in the production of curd from milk?

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2. Which of these traditional foods involves use of microbes?

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3. Gobar gas plants use cattle dung to produce:

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4. An example of a biocontrol agent is:

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5. What do bacteria and fungi contribute to cheese production?

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6. Cyclosporin A is an immunosuppressive drug obtained from:

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7. How have antibiotics, produced by useful microbes, contributed to human health?

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8. The process of activated sludge formation is used in:

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9. The gas produced in biogas plants is:

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10. An example of a biofertilizer is:

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