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. The status of algae in the aquatic food chain is

 
 
 
 

2. Which bacteria helps in settling of curd?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Alcohol is produced with the help of

 
 
 
 

7. The disease caused by protozoa is

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which cannot fix atmospheric nitrogen in the soil?

 
 
 
 

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

 
 
 
 

13. The rod shaped bacteria are called

 
 
 
 

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

 
 
 
 

15. Which of the following drug is an antipyretic?

 
 
 
 

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

 
 
 
 

17. Which microorganism causes AIDS?

 
 
 
 

18. Bacteria present in root nodules of pea

 
 
 
 

19. The microorganism which contains chlorophyll

 
 
 
 

20. The disease caused by fungi is

 
 
 
 

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