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Microbes in Human Welfare - Quiz

Class XII
Biology
Microbes in Human Welfare
11 questions
MEDIUM

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1. Which of the following is a beneficial role of microbes in agriculture?

Causing plant diseases · Nitrogen fixation · Decomposing plastics · Producing toxins

2. Which microbe is commonly used in the production of curd?

Bacillus subtilis · Lactobacillus · Escherichia coli · Staphylococcus aureus

3. What is the role of yeast in baking?

Fermentation to produce alcohol · Decomposing food · Producing carbon dioxide · Inhibiting bacterial growth

4. Which of the following microbes is used in the production of antibiotics?

Bacteria · Viruses · Fungi · All of the above

5. Which process involves the use of microbes to clean up the environment?

Bioremediation · Fermentation · Photosynthesis · Nitrogen fixation