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Microorganisms: Friend and Foe Quiz
Class VIII
Science
Microorganisms: Friend and Foe
15 questions
EASY
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Preview questions
1. What are microorganisms?
Large visible organisms · Tiny living organisms · Only harmful organisms · Only beneficial organisms
2. Which of the following is NOT a type of microorganism?
Bacteria · Fungi · Virus · Mammal
3. What is the role of microorganisms in the nitrogen cycle?
Decomposing waste · Fixing nitrogen · Causing diseases · Producing oxygen
4. Which microorganism is used in the production of curd?
Yeast · Lactobacillus · E.coli · Streptococcus
5. Which of the following diseases is caused by bacteria?
Malaria · Typhoid · AIDS · Flu
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