Class 8 Basic Science Onam Exam Question Paper 2024 PDF

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Class 8 Basic Science Onam Exam Question Paper 2024

Part A: Very Short Answer Questions (1 Mark each)

1. Define photosynthesis.
2. What is acid rain?
3. Name the three states of matter.
4. What are fossil fuels?
5. Give an example of a non-renewable energy resource.

Part B: Short Answer Questions (2 Marks each)

6. Explain the water cycle with a diagram.
7. What is global warming? State one of its causes.
8. How does a magnet work?
9. Write two differences between renewable and non-renewable resources.
10. Describe the process of evaporation.

Part C: Long Answer Questions (4 Marks each)

11. Explain the structure of a plant cell with a diagram.
12. What are the main causes of air pollution? Suggest two ways to reduce it.
13. Describe how sound is produced and how it travels through different media.
14. What is the greenhouse effect? Explain how it impacts the Earth’s climate.

Part D: Essay Type Questions (6 Marks each)

15. Discuss the various methods of conserving natural resources and how they benefit the environment.
16. Explain the concept of electricity generation and the difference between AC and DC currents.

Tips for Preparation:

• Revise the concepts of environmental science, energy resources, and magnetism.
• Practice drawing diagrams like the water cycle, plant cell, and electric circuit.
• Focus on real-world applications of science topics like global warming and resource conservation.

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