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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Spiral-shaped bacteria is called ………

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Malaria is caused by ………….

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Dengue is caused by a……………

 
 
 
 

 

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