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NCERT Solutions for Class 7 Science Chapter 18 Wastewater Story Section Name Topic Name 18 Waste water Story 18.1 Water, our lifeline 18.2 What is sewage? 18.3 Water freshens up — an eventful journey 18.4 Wastewater treatment plant (wwtp) 18.5 Better housekeeping practices 18.6 Sanitation and disease 18.7 Alternative arrangement for sewage disposal 18.8 Sanitation [...]
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NCERT Solutions for Class 7 Science Chapter 17 Forests Our Lifeline Section Name Topic Name 17 Forests: Our Lifeline 17.1 Visit to a Forest Q.1. Explain how animals dwelling in the forest help it grow and regenerate. Ans. Animals help in growing and regenerating forests in many ways. Animals work as the cleaning agents in [...]
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NCERT Solutions for Class 7 Science Chapter 16 Water A Precious Resource Section Name Topic Name 16 Water: a precious resource 16.1 How much water is available 16.2 Forms of water 16.3 Groundwater as an important source of water 16.4 Depletion of water table 16.5 Distribution of water 16.6 Water management 16.7 What role you [...]
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NCERT Solutions Class 7 Science Chapter 15 Light Section Name Topic Name 15 Light 15.1 Light travels along a straight line 15.2 Reflection of light 15.3 Right or left! 15.4 Playing with spherical mirrors 15.5 Images formed by lenses 15.6 Sunlight — white or coloured? Q.1.Fill in the blanks: (a) An image that cannot be [...]
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NCERT Solutions Class 7 Science Chapter 14 Electric Current and its Effects Section Name Topic Name 14 Electric Current and its Effects 14.1 Symbols of Electric Components 14.2 Heating effect of electric current 14.3 Magnetic effect of electric current 14.4 Electromagnet 14.5 Electric bell Q.1.Draw in your notebook the symbols to represent the following components [...]
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NCERT Solutions Class 7 Science Chapter 13 Motion and Time Section Name Topic Name 13 Motion and Time 13.1 Slow or Fast 13.2 Speed 13.3 Measurement of Time 13.4 Measuring speed 13.5 Distance -time graph Q.1.Classify the following as motion along a straight line, circular or oscillatory motion : (i) Motion of your hands while [...]
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NCERT Solutions Class 7 Science Chapter 12 Reproduction in Plants Section Name Topic Name 12 Reproduction in Plants 12.1 Modes of reproduction 12.2 Sexual reproduction 12.3 Fruits and Seed Formation 12.4 Seed dispersal Q.1.Fill in the blanks: (a) Production of new individuals from the vegetative part of parent is called ___________. (b) A flower may [...]
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NCERT Solutions Class 7 Science Chapter 11 Transportation in Animals and Plants Section Name Topic Name 11 Transportation in Animals and Plants 11.1 Circulatory system 11.2 Excretion in Animals 11.3 Transport of substances in plants Q.1.Match structures given in Column I with functions given in Column II. Ans. Q.2.-Fill in the blanks : (i) The [...]
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NCERT Solutions Class 7 Science Chapter 10 Respiration in Animals and Plants Section Name Topic Name 10 Respiration in Organisms 10.1 Why do we respire? 10.2 Breathing 10.3 How do we Breathe? 10.4 What do we breathe out? 10.5 Breathing in Other Animals 10.6 Breathing under water 10.7 Do plants also respire? Q1. Why does [...]
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NCERT Solutions Class 7 Science Chapter 9 Soil Section Name Topic Name 9 Soil 9.1 Soil teeming with life 9.2 Soil profile 9.3 Soil types 9.4 Properties of soil 9.5 Moisture in soil 9.6 Absorptions of water by soil 9.7 Soil and crops Q1. Tick the most suitable answer in question 1 and 2. In [...]