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Class 8 Science Chapter 2 Microorganisms Friend And Foe Quiz 4 (25 MCQs)

Quiz Instructions

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1. Bacteria present in root nodules of pea
2. What is denitrification
3. Cold, Influenza are caused by
4. Which of the following drug is an antipyretic?
5. Tuberculosis are caused by .....
6. Who discovered the virtue? Who Discovered the Virus?
7. Which one of the following Microbes only reproduce inside the cells of the host organism
8. What is protozoan?
9. The holes in bread are formed because of the release of .....
10. Who discovered PENICILLIN and when?
11. The bacterium involved in the fixation of nitrogen in leguminous plants is
12. The other name of denitrifying bacteria is .....
13. Antrax disease is caused by .....
14. Penicillin is obtained from a
15. There Are Some Characteristics Of Tuberculosis Patient. Choose The Incorrect One:
16. In Pasteurization milk is boiled to ..... for 15 to 30 seconds and then suddenly chilled and stored
17. Yeast, mold, and mushrooms are part of which category of microorganisms?
18. What is the subtleivies called disease? Which of The Following Term is Given to The Microorganisms Ita Diseases?
19. Nitrogen has ..... gas
20. Which of the following cannot be considered as a microbe?
21. In case of vaccination, antibodies are injected into the body of patients suffering from the disease
22. Our atmosphere has ..... % of nitrogen
23. Microrganisms can only be found in hot places
24. Which of the following is a characteristic of bacteria?
25. The method of preserving food by adding salt is called .....
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