"The ISC Biology Practical Work-Book Class 12 by S. C. Tripathi and Manoj K. Saxena is an essential resource for students pursuing biology at the 12th grade level. This comprehensive work-book offers a hands-on approach to learning biology by providing a step-by-step guide to performing experiments and practicals. The book covers all the practical topics required by the ISC curriculum, including microscopy, genetics, ecology, and evolution. It offers detailed explanations of the concepts and theories behind each practical, making it easier for students to understand and apply them in a laboratory setting. The work-book features a variety of practical exercises, ranging from simple experiments to more complex ones. Each practical exercise is designed to help students develop key scientific skills, such as observation, analysis, and critical thinking. The book also includes numerous diagrams, illustrations, and photographs to aid students in understanding the practicals. One of the standout features of this work-book is its focus on safety measures and precautions that need to be taken in the laboratory. It provides detailed guidelines on how to handle chemicals and equipment, ensuring that students can perform practicals safely and with confidence."