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Microbes in Human Welfare Quiz

Class XII
Biology
Microbes in Human Welfare
10 questions
MEDIUM

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1. Which of the following microbes is used in the production of yogurt?

Lactobacillus · Escherichia coli · Streptococcus pneumoniae · Bacillus subtilis

2. What role do microbes play in sewage treatment?

Decomposition of organic matter · Production of methane · Pathogen elimination · All of the above

3. Which of the following is NOT a use of microbes in agriculture?

Biopesticides · Biofertilizers · Soil erosion prevention · Nitrogen fixation

4. Which microbe is commonly used in the production of vinegar?

Acetobacter · Saccharomyces · Lactobacillus · Bacillus

5. What is the primary benefit of using microbes in bioremediation?

Reducing waste · Enhancing soil fertility · Cleaning up pollutants · Producing food