The revised edition of CBSE Class-X Science Reference has been designed to be an effective guide for students studying in Class-X. It provides all the explanations and guidance to make a student exam ready and to help him/her score good marks. It covers all aspects of learning, practice and assessment. It strictly adheres to CBSE curriculum. A good number of practice questions, diagrams, Sample Question Paper-2025-26 along with completely solved CBSE exam papers 2023, 2024, 2025 and 2026 including illustrations make the book student-friendly.