Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 7

10 Questions, each question is of 1 mark. No negative marking. Full Marks=10.

1. 
Which among the following pathogens causes cholera?

2. 
Antibiotics are effective against

3. 
Robert Koch discovered the Bacillus Anthracis in 1876 which cause Anthrax (a dangerous human and cattle) disease is caused by

4. 
Priya wants to know the method for preventing the occurrence or spread of communicable diseases

5. 
A plant disease called citrus canker is caused by a ____________ .

6. 
Which of the following diseases is caused by a fungus?

7. 
Which among the following statements is not associated with food preservation?

8. 
Which disease caused by a Protozoan and spread by an insect is

9. 
Which one of the following is not produced by the process of fermentation?

10. 
Penicillin was discovered by

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