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MCQ on Class 8 Microorganisms Friends and Foe

Last updated on December 9th, 2023 at 08:48 pm

Multiple Choice Questions on Microorganisms Friends and Foe

 

In this test, you can find the MCQ on Multiple Choice Questions on Microorganisms Friends and Foe for your school as well as competitive exams.

 

1. Micro-organisms that cause diseases are called………………

 
 
 
 

2. Who discovered the bacteria Bacillus anthracis which causes anthrax disease in animals in 1876 ?

 
 
 
 

3. The spoiling of food is a ………..change

 
 
 
 

4. The plant disease called ‘citrus canker’ is caused by …….

 
 
 
 

5. Malaria is caused by ………….

 
 
 
 

6. Edward Jenner discovered the vaccine for ………….. in 1798.

 
 
 
 

7. Rod-shaped bacteria is called ………..

 
 
 
 

8. The plant disease called ‘yellow vein mosaic of OKRA (bhindi)’ is caused by a ………

 
 
 
 

9. Spherical-shaped bacteria are called ……..

 
 
 
 

10. The plant disease called ‘rust of wheat’ is caused by …….

 
 
 
 

11. Bacteria and fungi are used to make medicines called……….

 
 
 
 

12. The study of microorganisms is known as ………

 
 
 
 

13. Spiral-shaped bacteria is called ………

 
 
 
 

14. The insect which transmits disease-causing micro-organisms to humans is called a ………..

 
 
 
 

15. Dengue is caused by a……………

 
 
 
 

16. Scientists who study microorganisms are known as ………

 
 
 
 

17. Microorganisms have a hard outer covering called ………

 
 
 
 

18. The antibiotic ‘penicillin’ was discovered  ‘Penicillium’ which is a ………….

 
 
 
 

 

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