MCQ Questions of Class 8 Science Chapter 2 Microorganisms: Friend and Foe with Answers

Free PDF Download of CBSE Class 8 Science Chapter 2 Microorganisms: Friend and Foe Multiple Choice Questions with Answers.Based on Latest Exam Pattern. Students can solve NCERT Class 8 Science Chapter 2 Microorganisms: Friend and Foe Multiple Choice Questions with Answers to know their preparation level.

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Microorganisms: Friend and Foe Class 8 MCQs Questions with Answers

MCQ Questions for Class 8 Science Chapter 2 Microorganisms: Friend and Foe with Answers

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1. Which bacteria helps in settling of curd?

 
 
 
 

2. ……….. are the smallest of all microorganisms.

 
 
 
 

3. The process by which amount of nitrogen remains the same in the atmosphere is known as

 
 
 
 

4. Alcohol is produced with the help of

 
 
 
 

5. Which cannot fix atmospheric nitrogen in the soil?

 
 
 
 

6. What helps in the rise of bread or dosa dough?

 
 
 
 

7. Algae are ………….. like organisms and contain chlorophyll.

 
 
 
 

8. Agar is made from a type of red …………..

 
 
 
 

9. Bacteria present in root nodules of pea

 
 
 
 

10. Which of the following is not used as food preservatives?

 
 
 
 

11. The presence of ………….. and the warmth stimulate rapid growth of the yeast cells.

 
 
 
 

12. The disease caused by protozoa is

 
 
 
 

13. Which of the following disease is spread due to bacteria?

 
 
 
 

14. The status of algae in the aquatic food chain is

 
 
 
 

15. The microorganism which contains chlorophyll

 
 
 
 

16. Which microorganism causes AIDS?

 
 
 
 

17. The rod shaped bacteria are called

 
 
 
 

18. The disease caused by fungi is

 
 
 
 

19. Fungi consist of two main groups of organisms ………….. and moulds.

 
 
 
 

20. Which of the following drug is an antipyretic?

 
 
 
 

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