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Science And Technology

• Prelims

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• 1. Sky Vision

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• 2. Synthetic Fibres And Plastics

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• 3. Air

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• 4. Chemical Reactions - When & What Types

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• 5. Metals And Non-Metals

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• 6. Carbon

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• 7. Structural And Functional Unit of Our Body - The Cell

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• 8. Micro-organisms - A Wonderful World

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• 9. Refraction of Light

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• 10. Sound

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• 11. Chemical Effects of Electric Current

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• 12. Sources of Energy

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• 13. Food Production And Management

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• 14. Friction

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• 15. How Much Food - What Type of Food

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• 16. Some Common Diseases

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• 17. Adolescence

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