What is the new CBSE exam pattern of class 10 Science for all subjects?
You can refer to the pattern listed below for CBSE 10th Science exam 2025:
CBSE Class 10 Science 2025: Topic-wise Weightage
Unit and Topic | Weightage (marks) |
Unit 1: Chemical Substances: Nature and Behaviour | 25 |
Unit 2: World of Living | 25 |
Unit 3: Natural Phenomena | 12 |
Unit 4: Effects of Current | 13 |
Unit 5: Natural Resources | 5 |
TOTAL MARKS (THEORY) | 80 |
TOTAL MARKS (INTERNAL ASSESSMENT) | 20 |
GRAND TOTAL | 100 |
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- The exam will be of total 100 marks, out of which the theory paper will be for 80 marks, while the internal assessments will account for the remaining 20 marks.
- The exam will be conducted offline and
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There is no facility for improvement of performance in internal assessment as it is a year-long exercise. Students are eligible for CBSE 10th Phase 2 for Theory papers only.
CBSE Class 10 phase 2 exam pattern is the same as Phase 1. The structure of the pattern is given below.
CBSE Class 10 Exam Structure 2026- Theory & Internal Exam | ||
Assessment Component | Weightage / Marks | Details |
Theory Examination | ||
Competency-Based Questions | 50% (of 80 marks) | MCQs, case study-based, and source-based questions |
Objective-Type Questions | 20% (of 80 marks) | Short, fact-based, direct-answer questions (mostly MCQs) |
Short & Long Answer Questions | 30% (of 80 marks) | Descriptive and analytical answers requiring explanation |
Internal Assessment | ||
Periodic Tests | 5 marks | Regular school-level tests during the academic year |
Practical / Lab Work | 5 marks | Hands-on experiments and practical activities |
Assignments & Projects | 5 marks | Subject-based projects testing application and creativity |
Portfolio Assessment | 5 marks | Overall classroom performance and student participation |
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