"Modern's abc Of Practical Biology Class 12 by V. K. Khosla and Kanta Khosla is a comprehensive guide for students pursuing biology in their 12th grade. The book is written in a clear and concise manner, making it easy for students to understand complex biological concepts. The book covers all the practical experiments and activities prescribed by the CBSE syllabus for Class 12 Biology. It is divided into two parts - Part A and Part B. Part A covers experiments related to physiology and biochemistry, while Part B covers experiments related to genetics, evolution, ecology, and applied biology. Each experiment is explained in detail, with step-by-step procedures and explanations of the underlying biological principles. The book also includes numerous illustrations and diagrams to help students visualize the experiments and concepts. In addition to the practical experiments, the book also includes a section on viva-voce questions, which will help students prepare for their practical examinations."