MCQ Class X Science MCQ Class X Science Chapter 1 Chemical Reactions and Equations Chapter 2 Acids Bases and Salt Chapter 3 Metals and Non-metals Chapter 4 Carbon and Its Compounds Chapter 5 Periodic Classification of Elements Chapter 6 Life Process Chapter 7 Control and Coordination Chapter 8 How Do Organisms Reproduce Chapter 9 Heredity and Evolution Chapter 10 Light-Reflection and Refraction Chapter 11 The Human Eye and The Colourful World Chapter 12 Electricity Chapter 13 Magnetic Effects of Electric Current Chapter 14 Sources of Energy Chapter 15 Our Environment Chapter 16 Sustainable Management of Natural Resources