Topic Details (Notes format)

Life Processes

Subject: General Science

Book: NCERT Science Class 10

Living organisms carry out various life processes to sustain life.
- **Types of Life Processes**:
- Nutrition (Autotrophic & Heterotrophic).
- Respiration (Aerobic & Anaerobic).
- Transportation (Circulatory system in animals, Xylem and Phloem in plants).
- Excretion (Kidneys in humans, Stomata in plants).
- **Energy Flow in Living Beings**:
- ATP (Adenosine Triphosphate) as the energy currency.

**Possible Exam Questions:**
1. Differentiate between autotrophic and heterotrophic nutrition.
2. What is aerobic and anaerobic respiration? Give examples.
3. Explain the role of the human heart in the circulatory system.
4. How does excretion take place in plants and animals?
5. What is the role of ATP in living organisms?

Practice Questions

What is the approximate age of the Earth?

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Which law states that energy cannot be created or destroyed?

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Which scientist is known for the laws of motion?

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Which part of the cell contains the genetic material?

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Which gas is commonly used in balloons to make them float?

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

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What is the function of hemoglobin in the blood?

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What is the chemical formula of water?

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

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What is the unit of electric current?

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