CBSE Class 8 Science Microorganisms: Friend and Foe Quiz 2

1. Alcohol is produced with the help of

A sodium chloride B yeast C nitrogen D carbon dioxide

2. Which of the following drug is an antipyretic?

A Insulin B Alcohol C Streptomycin D Paracetamol

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

A Heat B Grinding C Growth of yeast cells D Low pressure

4. The status of algae in the aquatic food chain is

A consumers B producers C host D small in size

5. The rod shaped bacteria are called

A Bacillus B Coccus C Vibrio D Spirillum

6. Bacteria present in root nodules of pea

A Coli B Plasmodium C Rhizobium D Penicillin

7. The microorganism which contains chlorophyll

A Virus B Fungus C Algae D All

8. The disease caused by protozoa is

A tuberculosis B polio C typhoid D malaria

9. Which cannot fix atmospheric nitrogen in the soil?

A Rhizobium B Clostridium C Azotobacter D Penicillin

10. The disease caused by fungi is

A measles B chicken pox C polio D ringworm