West Bengal Board Class 12 Science Exam Pattern 2026-27
Complete WBCHSE Class 12 Science HSC Board Marking Scheme & Paper Structure
70 Marks Theory • 20 Marks Practical • 10 Marks Internal
Detailed exam pattern for Physics, Chemistry, Biology, Mathematics, English, and Bengali.
West Bengal Board Class 12 Science Exam Pattern Overview
Exam Duration
3 hours per subject
Total Marks
100 marks per subject
Passing Criteria
30% in each subject
Medium
Bengali & English
Subject-wise Marking Scheme 2026-27
| Subject | Theory | Practical | Internal | Total | Duration |
|---|---|---|---|---|---|
| Physics | 70 | 20 | 10 | 100 | 3 hours |
| Chemistry | 70 | 20 | 10 | 100 | 3 hours |
| Biology | 70 | 20 | 10 | 100 | 3 hours |
| Mathematics | 80 | - | 20 | 100 | 3 hours |
| English | 80 | - | 20 | 100 | 3 hours |
| Bengali | 80 | - | 20 | 100 | 3 hours |
Note: Practical exams are conducted for Physics, Chemistry, and Biology. Mathematics, English, and Bengali are theory-only subjects with internal assessment components.
Question Paper Structure
Physics, Chemistry, Biology
- Part A: Multiple Choice Questions (1 mark each) - 10 questions
- Part B: Very Short Answer (2 marks each) - 10 questions
- Part C: Short Answer (3 marks each) - 8 questions
- Part D: Long Answer (5 marks each) - 4 questions
- Total Theory: 70 marks
Mathematics
- Part A: Multiple Choice Questions (1 mark each) - 10 questions
- Part B: Very Short Answer (2 marks each) - 10 questions
- Part C: Short Answer (3 marks each) - 8 questions
- Part D: Long Answer (5 marks each) - 4 questions
- Total Theory: 80 marks
English & Bengali
- Part A: Reading Comprehension (15 marks)
- Part B: Writing Skills & Grammar (25 marks)
- Part C: Literature - Prose & Poetry (40 marks)
- Total Theory: 80 marks
Practical Exam (Science Subjects)
- Experiment: 10 marks
- Viva Voce: 5 marks
- Record Book: 3 marks
- Project Work: 2 marks
- Total Practical: 20 marks
Internal Assessment 2026-27
Components
- Periodic Tests: 5 marks
- Notebook Submission: 3 marks
- Subject Enrichment: 2 marks
- Total Internal: 10-20 marks
Periodic Tests
- Test 1: July/August 2026
- Test 2: September/October 2026
- Test 3: December 2026
- Duration: 1-2 hours each
Assessment Criteria
- Regularity: Class participation
- Assignment Completion: Homework quality
- Project Work: Research and presentation
- Practical Skills: Laboratory work
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