This book should help the students for their exam preparations as it is designed with questions and answers. This pattern also makes the concepts clear for their understanding. Each chapter goes by question and answers covering the entire chapter. The language is kept very simple which will help them to remember and reproduce in the examination.\n• The book is designed to assist students with exam preparations.\n\n• It employs a question-and-answer format, enhancing understanding by clearly explaining concepts.\n\n• Each chapter is comprehensively covered through questions and answers.\n\n• The language is kept simple, facilitating easy memorization and accurate reproduction in exams.