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. Which microorganism causes AIDS?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Alcohol is produced with the help of

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. The microorganism which contains chlorophyll

 
 
 
 

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

 
 
 
 

10. The disease caused by protozoa is

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Which of the following drug is an antipyretic?

 
 
 
 

14. The disease caused by fungi is

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Bacteria present in root nodules of pea

 
 
 
 

19. The rod shaped bacteria are called

 
 
 
 

20. Which cannot fix atmospheric nitrogen in the soil?

 
 
 
 

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