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MCQ Class 12 Biology Chapter 8 Microbes in Human Welfare

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.

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1. The term antibiotic was first used by

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

Question 2 of 10

3. Methanogens growing anaerobically on cellulosic material produce

Question 3 of 10

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

Question 4 of 10

5. Identify the fungus with medicinal importance.

Question 5 of 10

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

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

Question 7 of 10

8. Probiotics are

Question 8 of 10

9. Lactic acid is formed by the process of

Question 9 of 10

10. Rennin used in the cheese industry is

Question 10 of 10

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