The Combined Defence Services (CDS) Examination Science notes is a comprehensive study material designed specifically for candidates preparing for the CDS exam. These notes cover various science subjects such as Physics, Chemistry, and Biology, which are relevant for the exam syllabus. The content is organized in a concise and easy-to-understand manner, facilitating effective learning and quick revision. The notes include important concepts, formulas, definitions, diagrams, and examples to help students grasp the fundamental principles of science. By studying these well-structured notes, candidates can enhance their knowledge and improve their performance in the Science section of the CDS examination.