Cell – Structure and Functions (Total Questions – 58, Total Exercises – 6)
Microorganisms: Friend and Foe (Total Questions – 170, Total Exercises – 13)
Materials: Metals and Non Metals (Total Questions – 70, Total Exercises – 7)
Force and Pressure (Total Questions – 50, Total Exercises – 5)
Friction (Total Questions – 50, Total Exercises – 5)
Coal and Petroleum (Total Questions – 72, Total Exercises – 6)
Combustion and Flame (Total Questions – 49, Total Exercises – 5)
Conservation of Plants and Animals (Total Questions – 50, Total Exercises – 5)
Crop Production and Management (Total Questions – 89, Total Exercises – 9)
Light (Total Questions – 46, Total Exercises – 5)
Sound (Total Questions – 50, Total Exercises – 5)
Synthetic Fibres and Plastics (Total Questions – 50, Total Exercises – 5)
Reproduction in Animals (Total Questions – 50, Total Exercises – 5)
Reaching the Age of Adolescence (Total Questions – 50, Total Exercises – 5)
Chemical Effect of Electric Current (Total Questions – 50, Total Exercises – 5)
Stars and the Solar System (Total Questions – 116, Total Exercises – 8)
Some Natural Phenomena (Total Questions – 50, Total Exercises – 5)
Pollution of Air and Water (Total Questions – 158, Total Exercises – 12)