About the Book\nThis book has been written strictly in accordance with the latest syllabus prescribed by the Council for Indian School Certificate Examinations, New Delhi. Each part of this book has been carefully planned to make them student-friendly. The text has been presented in an interesting, understandable and enjoyable manner. \nKey Features\n1. The TEXT has been presented in a simple and easily comprehensible language. \n2. Clear, accurate and well-labelled DIAGRAMS are given, which enhance the effectiveness of the text. \n3. FLOWCHARTS and TABLES are given to help students understand the concepts better. \n4. Ample ACTIVITIES are provided in each chapter, which make the text more interesting.\n5. Interesting facts and information relevant to the concepts are given in the form of DID YOU KNOW?\n6. Exhaustive chapter-end EXERCISES are given, which also include questions from previous ICSE examinations. \n7. Latest ICSE SOLVED QUESTION PAPER, along with 2 SAMPLE PAPERS, is given.\n8. SUMMARY gives a recap of the important points in the chapter.\n