NCERT-Solutions

Chapter Name Exercise
Crop Production and Management Page No. 13
Microorganisms : Friend and Foe Page No. 29 Page No. 30
Synthetic Fibres and Plastics Page No. 41 Page No. 42
Materials : Metals and Non-Metals Page No. 53 Page No. 54 Page No. 55
Coal and Petroleum Page No. 62 Page No. 63
Combustion and Flame Page No. 75
Conservation of Plants and Animals Page No. 86 Page No. 87 Page No. 88
Cell - Structure and Functions Page No. 100
Reproduction in Animals Page No. 112 Page No. 113
Reaching the Age of Adolescence Page No. 124 Page No. 125 Page No. 126
Force and Pressure Page No. 143 Page No. 144
Friction Page No. 155 Page No. 156
Sound Page No. 170 Page No. 171
Chemical Effects of Electric Current Page No. 182 Page No. 183
Some Natural Phenomena Page No. 199
Light Page No. 214 Page No. 215
Stars and the Solar System Page No. 236 Page No. 237
Pollution of Air and Water Page No. 250 Page No. 251