CBSE Class 10 Science Board Exam 2025 will be held today, Thursday, February 20. The CBSE 10th Science exam will be conducted in a single shift from 10:30 AM to 1:30 PM today. Students must ensure they reach the examination centre before 10:00 AM, as late entries will not be permitted.
Students must carry their CBSE Class 10 admit card 2025 and school ID to be allowed entry into the exam hall. The Science theory exam will be conducted for 80 marks, while the remaining 20 marks will be awarded based on internal assessments. The CBSE Class 10 Science syllabus for 2025 remains unchanged, following the same structure as the previous academic session.
CBSE Class 10 Science Exam Pattern 2025
The Science theory paper will carry 80 marks, with the following unit-wise marks distribution:
| Unit Name | Topics Covered | Marks |
| Chemical Substances – Nature and Behaviour | Chemical reactions, Acids, bases and salts, Metals and nonmetals, Carbon compounds | 25 |
| World of Living | Life processes, Control and coordination in animals and plants, Reproduction, Heredity and Evolution | 25 |
| Natural Phenomena | Reflection and refraction of light, Functioning of a lens in the human eye, Refraction through a prism | 12 |
| Effects of Current | Electric current, Ohm’s law, Magnetic effects of current, Alternating current, Domestic circuits | 13 |
| Natural Resources | Our Environment | 5 |
| Total Marks | 80 |
To successfully clear the CBSE Class 10 board exams, students must:
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