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 element is the most abundant in the Earth’s crust?

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What is the main component of natural gas?

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What is the term for water changing from liquid to gas?

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What type of bond is formed by sharing electrons between atoms?

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Which organ is responsible for detoxifying harmful substances in the human body?

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What is the chemical symbol for gold?

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Which vitamin is essential for calcium absorption?

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What is the term for an organism that can make its own food?

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What is the chemical formula of water?

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Which organ regulates blood sugar levels in the human body?

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