1. This book is based on CBSEs new syllabus and directives (2022-2023). All of the basic concepts & NCERT Textbooks answers are included. 2. Additionally it includes previous year board questions Competency-based questions and NCERT Exemplars. 3. For a full revision of the curriculum all types of questions are offered including Multiple Choice Questions Assertion-Reason Questions Case-based Questions Source-based questions Passage-based Questions Very Short Answer Questions Short Answer Questions and Long Answer Questions. 4. Solved CBSE Sample Papers and Exam Papers for Terms 1 and 2 (2021-22) are included to assist students in their Exam Preparation