Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 5

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

1. 
Giardia is listed under the category of

2. 
The fungus that is commonly used in bakery and beverage industries is

3. 
Which of the following diseases can be cured using antibiotics?

4. 
The process by which amount of nitrogen remains the same in the atmosphere is known as

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

6. 
Which microorganism causes AIDS?

7. 
Priya wants to write some correct statements. Would you help her?

8. 
The process in which sugar in the food is transformed into alcohol and carbon dioxide by using microorganisms is known as

9. 
The precaution is observed in the use of antibiotics. Choose the incorrect sentence

10. 
Which organisms are microscopic and dependent on host organisms for reproduction?

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