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 cannot fix atmospheric nitrogen in the soil?

 
 
 
 

2. The rod shaped bacteria are called

 
 
 
 

3. Bacteria present in root nodules of pea

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. The disease caused by protozoa is

 
 
 
 

7. Alcohol is produced with the help of

 
 
 
 

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

 
 
 
 

9. Which bacteria helps in settling of curd?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Which of the following drug is an antipyretic?

 
 
 
 

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

 
 
 
 

15. The microorganism which contains chlorophyll

 
 
 
 

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

 
 
 
 

17. Which microorganism causes AIDS?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. The disease caused by fungi is

 
 
 
 

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