No theory can be proved without experimentation. It is because the conclusions that are observed and verified in real time are authentic and easy to retain. CBSE conducts practical exams along with theoretical exam to test the scientific aptitude of students. CBSE Class 12th, biology lab manual has been prepared strictly according to CBSE guidelines. All the experiments in this manual have been given in simple, lucid and interactive manner. The theory given with each experiment gives complete understanding of each term concept and definition, so that the students need not to refer their textbooks or any other book. Viva-voce questions are given with each experiment to test students’ understanding of related experiments. A practical work book has been coupled with this lab manual for students to make record of the procedures followed, accurate diagrams, observations and calculations. The combo serves as the step by step guide for conducting experiments and learning from them at each step with each experiment.Table of contentsIntroduction to lab instruments, apparatus and glassware's required in biology laboratory, laboratory chemicals, fixatives, preservatives, stains, reagents and solutions, some common procedures and practices, how to record an experiment?Section A- Core experimentsSection B- Study observation of the following (Spotting experiments).