CBSE Class 10 Science Examination Pattern 2025-26
📘 CBSE Class 10 Science Examination Pattern 2025-26
1. Overall Structure
| Component | Marks | Details |
|---|---|---|
| Board / Annual Exam (Theory) | 80 | 3 Hours, NCERT-based, includes MCQs, case-based, SA, LA, HOTS |
| Internal Assessment | 20 | Periodic tests, practicals, projects, portfolio |
| Total | 100 | Final score (80+20) |
2. Weightage of Units in Theory Paper (80 Marks)
| Unit No. | Unit Name | Marks |
|---|---|---|
| I | Chemical Substances – Nature & Behaviour | 25 |
| II | World of Living (Biology) | 25 |
| III | Natural Phenomena (Physics) | 12 |
| IV | Effects of Current (Physics) | 13 |
| V | Natural Resources (Environment) | 05 |
| Total | 80 |
3. Internal Assessment Split (20 Marks)
| Component | Marks | Explanation |
|---|---|---|
| Periodic Tests | 5 | Three tests in year, best 2 considered |
| Diverse Methods of Assessment | 5 | Projects, quizzes, oral tests, assignments, presentations |
| Practical Work / Lab Activities | 5 | Hands-on experiments, observation, lab records |
| Portfolio | 5 | Classwork, homework, student work samples, achievements, reflections |
| Total | 20 | Internal assessment |
4. Levels of Difficulty in Theory Paper (CBSE Pattern)
| Question Type (Competency Level) | Approx. Weightage | Examples |
|---|---|---|
| Knowledge & Understanding | ~30% | Definitions, direct NCERT-based recall |
| Application-based | ~40% | Numerical problems, diagrams, daily-life use |
| Higher Order Thinking Skills (HOTS) | ~20% | Analysis, case-study, interpretation |
| Competency-based / Innovative | ~10% | Assertion-Reasoning, Case-based questions |
✅ This table helps you plan:
- Focus on Chemistry & Biology (50 marks combined).
- Do not neglect Physics (25 marks combined).
- Environment (5 marks) is small but scoring.
- Prepare MCQs, Assertion-Reasoning, and Case Studies, since they now form a large share of the paper.
Titles
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CBSE Class 10 Science Examination Pattern 2025-26 – Complete Guide
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Science Exam Pattern CBSE Class 10 (2025-26): Marks & Syllabus
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CBSE Class 10 Science 2025-26 – Weightage, Difficulty & Assessment
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Class 10 CBSE Science Exam 2025-26: Paper Pattern Explained
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CBSE Science Exam Pattern 2025-26 for Class 10 Students
Introduction
The CBSE Class 10 Science Examination Pattern 2025-26 provides students with a clear understanding of marks distribution, unit-wise weightage, and levels of difficulty. The Science exam consists of 80 marks for theory and 20 marks for internal assessment, making a total of 100 marks. Units such as Chemical Substances and World of Living carry the highest weightage, while Physics and Environmental topics are equally important. The question paper includes a mix of MCQs, application-based, case-study, and HOTS questions to test conceptual clarity and analytical skills. Knowing the exam pattern helps students prepare strategically for CBSE Board Exams 2026 with confidence and accuracy.
Keywords
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