CBSE Class 11 Science

CBSE Class 11 Science Exam Pattern 2026-27

Complete Marking Scheme, Question Paper Pattern & Practical Assessment

Understand the CBSE Class 11 Science exam structure, marks distribution, and assessment criteria for the academic year 2026-27. Your complete guide to CBSE Class 11 Science examinations.

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CBSE Class 11 Science Exam Structure 2026-27

CBSE Class 11 Science follows a comprehensive evaluation pattern with periodic assessments, half-yearly exams, and final examinations for the academic year 2026-27.

PT

Periodic Tests

3-4 tests per year
10 marks each

HY

Half-Yearly Exam

November 2026
70 marks

FE

Final Exam

February-March 2027
70 marks

IA

Internal Assessment

Throughout the year
30 marks (Science subjects)

Total Marks per Subject: 70 marks (Theory) + 30 marks (Practical/Internal) = 100 marks for Physics, Chemistry, Biology.
Mathematics: 80 marks (Theory) + 20 marks (Internal) = 100 marks

CBSE Class 11 Physics Exam Pattern 2026-27

Component	Marks	Details
Theory Paper	70	3 hours duration
Practical Assessment	30	Experiments + Record + Viva
Total	100	—

Theory Paper Structure

• Section A: MCQs (20 marks)
• Section B: Very Short Answer (20 marks)
• Section C: Short Answer (18 marks)
• Section D: Long Answer (12 marks)

Practical Assessment

• Two Experiments: 12 marks
• Practical Record: 6 marks
• Project: 6 marks
• Viva Voce: 6 marks

CBSE Class 11 Chemistry Exam Pattern 2026-27

Component	Marks	Details
Theory Paper	70	3 hours duration
Practical Assessment	30	Volumetric + Qualitative + Record + Viva
Total	100	—

Theory Paper Structure

• Section A: MCQs (20 marks)
• Section B: Very Short Answer (20 marks)
• Section C: Short Answer (18 marks)
• Section D: Long Answer (12 marks)

Practical Assessment

• Volumetric Analysis: 8 marks
• Qualitative Analysis: 8 marks
• Practical Record: 6 marks
• Project: 4 marks
• Viva Voce: 4 marks

CBSE Class 11 Biology Exam Pattern 2026-27

Component	Marks	Details
Theory Paper	70	3 hours duration
Practical Assessment	30	Experiments + Record + Project + Viva
Total	100	—

Theory Paper Structure

• Section A: MCQs (20 marks)
• Section B: Very Short Answer (20 marks)
• Section C: Short Answer (18 marks)
• Section D: Long Answer (12 marks)

Practical Assessment

• Major Experiment: 8 marks
• Minor Experiment: 6 marks
• Practical Record: 6 marks
• Project: 5 marks
• Viva Voce: 5 marks

CBSE Class 11 Mathematics Exam Pattern 2026-27

Component	Marks	Details
Theory Paper	80	3 hours duration
Internal Assessment	20	Periodic Tests + Notebook + Enrichment
Total	100	—

Theory Paper Structure

• Section A: MCQs (20 marks)
• Section B: Very Short Answer (20 marks)
• Section C: Short Answer (20 marks)
• Section D: Long Answer (20 marks)

Internal Assessment

• Periodic Tests: 10 marks
• Notebook Submission: 5 marks
• Subject Enrichment: 5 marks

CBSE Class 11 Science Practical Assessment 2026-27

Subject	Total Practical Marks	Breakdown
Physics	30	Experiments (12) + Record (6) + Project (6) + Viva (6)
Chemistry	30	Volumetric (8) + Qualitative (8) + Record (6) + Project (4) + Viva (4)
Biology	30	Major Exp (8) + Minor Exp (6) + Record (6) + Project (5) + Viva (5)

Pro Tip: Practical assessment carries 30% of your total marks in Science subjects. Pay equal attention to practical work, record keeping, and viva preparation.

Frequently Asked Questions

What is the exam pattern for CBSE Class 11 Science in 2026-27?

CBSE Class 11 Science follows a comprehensive exam pattern with 70 marks theory and 30 marks practical for Physics, Chemistry, and Biology. Mathematics has 80 marks theory and 20 marks internal assessment.

How many marks is the practical exam in CBSE Class 11 Science?

The practical exam in CBSE Class 11 Science is 30 marks for Physics, Chemistry, and Biology. It includes experiments, practical record, project work, and viva voce.

What is the duration of CBSE Class 11 Science exams?

All CBSE Class 11 Science theory exams are 3 hours long. Practical exams are conducted separately throughout the year.

How can StudyDecode help me with CBSE Class 11 Science exams?

StudyDecode provides comprehensive guidance for CBSE Class 11 Science students. We help you understand the exam pattern, prepare effectively for theory and practical exams, and build confidence. Book a free consultation to know more.