This book is prepared as per the new NCERT textbook. The book is presented according to the requirements of CBSE, ISC, and various state board students across India. This book is written in easy language, and every article in the book contains questions, including NCERT in-text, chapter-end questions, and exemplar problems, which are solved and referenced. This book contains an examination corner that includes very short, short, and long answer questions, as well as conceptual and competency-based questions with solutions. Case-based questions have been incorporated as per the new examination pattern, making it a great book for the 2025-2026 CBSE exams. Numericals for practice, along with HINTS and SOLUTIONS, are provided in a separate section within the chapter. Additionally, this book is equipped with a variety of objective questions with their answers and solutions that are designed for aspirants of competitive examinations like NEET, JEE, etc. Diagrams, graphs, and MEMORY MAPS are also included for clear understanding and quick revision. Also, this book is updated with previous years' questions from entrance examinations. So champs, all the best for your exam, and keep shining.