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Microbes: Household Products, Industrial Products and Sewage Treatment, Class 12 Biology NCERT Solutions

MCQ Quiz

MCQ’s For All Chapters – Biology Class 12th

1. There will be total 10  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. The term antibiotic was first used by

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Question 1 of 10

2. Lactic acid bacteria (LAB) grow in milk and convert it to curd and also improve its nutritional quality by increasing

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Question 2 of 10

3. Methanogens growing anaerobically on cellulosic material produce

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Question 3 of 10

4. Maximum number of antibiotics are got from any group except for

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Question 4 of 10

5. Identify the fungus with medicinal importance.

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Question 5 of 10

6. Which one of the following microbes is used in the commercial production of ethanol?

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Question 6 of 10

7. A sewage treatment process in which a part of the decomposer bacteria present in the wastes are recycled into the starting of the process is called

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Question 7 of 10

8. Probiotics are

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Question 8 of 10

9. Lactic acid is formed by the process of

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Question 9 of 10

10. Rennin used in the cheese industry is

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Question 10 of 10