Topic Details (Notes format)

Microbes in Human Welfare

Subject: General Science

Book: NCERT Biology Class 12

Microorganisms play a role in medicine, food, and the environment.
- **Role in Antibiotics**:
- Production of penicillin.
- **Fermentation**:
- Uses in food industries.
- **Biogas Production**:
- Use of microbes in energy production.

**Possible Exam Questions:**
1. How are microbes used in the production of antibiotics?
2. Explain the role of microbes in sewage treatment.
3. What is the process of biogas production?
4. Discuss the applications of microbes in the food industry.
5. How do microbes help in nitrogen fixation?

Practice Questions

Which gas is most abundant in Earth’s atmosphere?

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What is the most abundant element in the universe?

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Which gas is known as "laughing gas"?

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What is the chemical symbol for the element iron?

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Which metal is liquid at room temperature?

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