Science
- Unit 1(Crop Production and Management)
- Unit 2(Microorganisms : Friend and Foe)
- Unit 3(Synthetic Fibres and Plastics)
- Unit 4(Materials : Metals and Non-Metals)
- Unit 5(Coal and Petroleum)
- Unit 6(Combustion and Flame)
- Unit 7(Conservation of Plants and Animals)
- Unit 8(Cell—Structure and Functions)
- Unit 9(Reproduction in Animals)
- Unit 10(Reaching the Age of Adolescence)
- Unit 11(Force)
- Unit 12(Friction)
- Unit 13(Sound)
- Unit 14(Chemical Effects of Electric Current)
- Unit 15(Some Natural Phenomena)
- Unit 16(Light)
- Unit 17(Stars and Solar System)
- Unit 18(Pollution of Air and Water) Answers
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