CBSE Class 9 Science Exam Pattern and Marking Scheme 2024: The CBSE Class 9 Science Exam Pattern and Marking Scheme for 2025 helps students understand how the paper will be structured and scored.
The Central Board of Secondary Education (CBSE) will introduce two-tier difficulty levels—standard and advanced—for science and social science for class 9 from the 2026-27 academic year and class 10 ...