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Tuesday, September 21, 2021

Class 8 | Micro-Organism Friend and Foe | Science NCERT MCQ Worksheet - 1

1. Alcohol is produced with the help of

yeast
oxygen
nitrogen
sodium chloride
2. Which of the following drug is an antipyretic?
alcohol
insulin
streptomycin
paracetamol
3. What helps in the rise of bread or dosa dough?
heat
grinding
growth of yeast cells
low pressure
4. The status of algae in the aquatic food chain is
consumers
producers
host
NA
5. The rod shaped bacteria are called
Vibrio
Coccus
Spirillum
Bacillus
6. Bacteria present in root nodules of pea
Rhizobium
Penicillin
Plasmodium
Coli
7. The disease caused by fungi is
polio
ringworm
measles
chicken pox
8. Which cannot fix atmospheric nitrogen in the soil?
Rhizobium
Clostridium
Penicillin
Azotobacter
9. The disease caused by protozoa is
malaria
typhoid
polio
tuberculosis
10. The microorganism which contains chlorophyll
Algae
Virus
Fungus
All of the above






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