Each topic has been written in accordance with the latest guidelines issued by CBSE. The concepts have been systematically explained through use of diagrams and tables. Large number of questions based on Remembering, Understanding, Application and HOTS with answers have been given at the end of each br>Chapter to enhance the students' Understanding, analytical Ability and interpretation. Each br>Chapter also contains NCERT questions with answers. Quick revision is given for revision of the concepts. Power Booster sections have been given in each br>Chapter numerous objective questions are also given, project works are also given and appendices at the end consists of value Based Questions and latest CBSE Sample Papers.