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Microorganisms: Friend and Foe Quiz
Class VIII
Science
Microorganisms: Friend and Foe
12 questions
HARD
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Preview questions
1. Which of the following is NOT a type of microorganism?
Bacteria · Virus · Fungi · Mammal
2. What is the role of microorganisms in the nitrogen cycle?
Decomposing organic matter · Fixing atmospheric nitrogen · Producing oxygen · Causing diseases
3. Which microorganism is used in the production of curd?
Yeast · Lactobacillus · E. coli · Rhizobium
4. Which of the following diseases is caused by a virus?
Cholera · AIDS · Malaria · Typhoid
5. What is the primary benefit of yeast in baking?
Flavor enhancement · Fermentation · Preservation · Coloring
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