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| CHAPTER - 1 The Cell – Its Structure and Functions |
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| CHAPTER - 2 Microorganisms: Friends or Foes |
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| CHAPTER - 3 Metals and Non-metals |
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| CHAPTER - 4 Force and Pressure |
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| CHAPTER - 5 Friction |
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| CHAPTER - 6 Sources of Energy |
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| CHAPTER - 7 Combustion |
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| CHAPTER - 8 Conservation of Plants and Animals |
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| CHAPTER - 9 Crop Production and Its Management |
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| CHAPTER - 10 Refraction and Dispersion of Light |
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| CHAPTER - 11 The Human Eye |
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| CHAPTER - 12 Sound |
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| CHAPTER - 13 Synthetic Fibres and Plastics |
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| CHAPTER - 14 Reproduction in Animals |
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| CHAPTER - 15 Reaching the Age of Adolescence |
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| CHAPTER - 16 Electric Current and Its Chemical Effects |
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| CHAPTER - 17 Stars and Solar System |
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| CHAPTER - 18 Earthquakes |
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| CHAPTER - 19 Pollution of Air |
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| CHAPTER - 20 Pollution of Water |
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