Objective Questions:  This book contains multiple-choice questions (MCQs) and assertion-reasoning questions that will help you test your knowledge in an easy and fun way. Subjective Questions:  It includes case-based questions, short answer questions (SAQs), and long answer questions (LAQs) to help you understand the topics deeply and explain your answers clearly. NCERT-based Content:  The book has in-chapter questions, chapter-end questions, and exemplar problems that follow the latest CBSE and NCERT syllabus to help you prepare for exams. Memory Maps: The Competency Wallet in the book contains memory maps to help you easily remember important concepts and solve problems faster. Skill-Based Questions:  The book includes creative and innovative skill-based questions to help you develop practical skills and apply what you learn in real-life situations.