The board released the CBSE 2027 marks distribution on November 5, so students can prepare accordingly for the exam. The marks bifurcation highlights the distribution of marks in theory, practical/internal assessment and project.
The Central Board of Secondary Education released CBSE 2027 marks distribution. The PDF shared by the board on marks bifurcation highlights the distribution of marks in theory, practical/internal assessment and project work for various subjects. The aim behind releasing CBSE marks distribution is to minimise the mistakes at school’s end while uploading the Practical/Project/Internal Assessment marks. The distribution has been provided separately for Classes 10 and 12. In the CBSE 2027 marks distribution PDF, students can also find duration of theory examinations, maximum marks, the requirement of external practical examiners and the availability of practical answer books. It is important for students preparing for the upcoming CBSE 2027 exam to check the subject-wise marks distribution to understand how much they need to secure to qualify. Read below for more details on CBSE Marks Distribution 2027.
Download below CBSE 2027 Marks Distribution PDF
| CBSE Marks Distribution 2027 | Download Here |
- CBSE 2027 Marks Distribution: Important Highlights
- CBSE Class 10 Marks Distribution
- CBSE Marks Distribution of SST Class 10 Chapter Wise
- CBSE Class 12 Marks Distribution
- CBSE Marks Distribution of Physics Class 12
- CBSE Chemistry Marks Distribution Class 12
- CBSE Biology Marks Distribution Class 12
- CBSE 2027 Marks Distribution: Important Points
CBSE 2027 Marks Distribution: Important Highlights
CBSE marks distribution highlights the following points.
- Class
- Subject Code
- Subject Name
- Marks for Project Assessment
- Theory Examination Marks
- Practical Marks
- Internal Assessment (IA) marks
- Whether external examiner will be appointed for practical/project assessment
- Whether practical answer-book will be provided by the Board
- Type of answer book that will be used in theory exam
Also Read:
CBSE Class 10 Marks Distribution
The major subjects in the CBSE Class 10 exam carry 100 marks. According to the CBSE marks distribution, the theory paper carries 80 marks, and 20 marks are allotted for internal assessment. Check the details related to the marks distribution below.
| Parameters | Details |
|---|---|
| Total marks |
100 |
| Theory paper |
80 |
| Internal Assessment |
20 |
| For Hindi Course A, Hindi Course B, English Language and Literature, Mathematics Basic, Mathematics Standard, Science and Social Science |
Theory carries 80 marks and 20 are for internal assessment |
| Home Science |
Theory: 70 Internal Assessment: 30 |
| Skill-Based Subjects (Computer Applications, Information Technology, Artificial Intelligence, Data Science, etc.) |
Theory: 50 Internal Assessment: 50 |
| Exam Duration |
Major subjects: Three hours Computer Applications and vocational subjects: Two hours |
CBSE Marks Distribution of SST Class 10 Chapter Wise
The theory paper carries 80 marks and 20 marks are allotted to internal assessment. CBSE marks distribution of SST Class 10 chapter-wise is given below.
| Subject | Chapter / Unit Name | Marks | Map Marks |
|---|---|---|---|
| History Marks distribution of SST class 10 chapter-wise |
The Rise of Nationalism in Europe |
8 |
1 |
| Nationalism in India |
10 |
1 |
|
| The Making of a Global World (1815–1914 & Globalisation) |
10 |
– |
|
| The Age of Industrialisation (Periodic Assessment) |
– |
– |
|
| Print Culture and the Modern World |
– |
– |
|
| Geography SST class 10 chapter wise Weightage |
Resources and Development |
6 |
1 |
| Forest and Wildlife Resources |
3 |
– |
|
| Water Resources |
3 |
– |
|
| Agriculture |
3 |
– |
|
| Minerals and Energy Resources |
3 |
– |
|
| Manufacturing Industries |
2 |
– |
|
| Lifelines of National Economy (Map only) |
– |
2 |
|
| Political Science (Civics) weightage of social science class 10 CBSE 2026, chapter-wise |
Power-sharing |
5 |
– |
| Federalism |
5 |
– |
|
| Gender, Religion and Caste |
5 |
– |
|
| Political Parties |
3 |
– |
|
| Outcomes of Democracy |
2 |
– |
|
| Economics Class 10 SST weightage Chapter Wise marks 2026 |
Development |
5 |
– |
| Sectors of Indian Economy |
5 |
– |
|
| Money and Credit |
3 |
– |
|
| Globalisation and the Indian Economy |
5 |
– |
|
| Consumer Rights (Project Work) |
2 |
– |
Check the distribution of internal assessment marks.
| Internal Assessment Component | Marks |
|---|---|
| Pen-Paper Test |
5 |
| Multiple Assessment |
5 |
| Portfolio |
5 |
| Subject Enrichment Activity |
5 |
Also Read:
CBSE Class 12 Marks Distribution
For Class 12 board exams, CBSE has also specified the subject-wise theory, practical and project marks distribution. The Theory paper in Physics, Chemistry, Biology and Computer Science carries 70 marks, while 30 marks are allocated to practical exams. Subjects such as Mathematics, Economics, History, Political Science, Business Studies and Accountancy carry 80 marks for theory and 20 marks for project work or internal assessment. The marks for Vocational subjects vary. Subjects like Retail, Informatics Technology and Web Application carry 60 marks for theory and 40 marks for practical examinations. A total of 50 marks is allotted for Theory and Practical papers in Multimedia in CBSE 12th. Subject-wise CBSE 2027 Marks Distribution is given below.
CBSE Marks Distribution of Maths Class 12
Total 100 marks are allotted to this paper. Out of these, 80 marks are for Theory and 20 for practical. The distribution of marks is given below.
| Chapter | Marks |
|---|---|
| Relations and Functions |
08 |
| Algebra |
10 |
| Calculus |
35 |
| Vectors and Three - Dimensional Geometry |
14 |
| Linear Programming |
05 |
| Probability |
08 |
| Total |
80 |
Also Read: Class 12th Maths Marks Distribution
CBSE Marks Distribution of Physics Class 12
CBSE Physics Marks distribution Class 12 is such that a total of 70 marks are allotted for Theory and 30 marks for practical. High-weightage topics are Optics, Electrostatics, and Magnetism. The chapter-wise CBSE 2027 marks distribution is given below.
| Unit | Chapter(s) | Approx. Marks |
|---|---|---|
| I |
Electric Charges and Fields (Ch 1) |
5 |
|
|
Electrostatic Potential and Capacitance (Ch 2) |
5 |
| Total – Unit I |
|
10 |
| II |
Current Electricity (Ch 3) |
6 |
| Total – Unit II |
|
6 |
| III |
Moving Charges & Magnetism (Ch 4) |
6 |
|
|
Magnetism & Matter (Ch 5) |
5 |
| Total – Unit III |
|
11 |
| IV |
Electromagnetic Induction (Ch 6) |
4 |
|
|
Alternating Current (Ch 7) |
2 |
| Total – Unit IV |
|
6 |
| V |
Electromagnetic Waves (Ch 8) |
4 |
| VI |
Ray Optics & Optical Instruments (Ch 9) |
10 |
|
|
Wave Optics (Ch 10) |
4 |
| Total – Unit VI |
|
14 |
| VII |
Dual Nature of Radiation & Matter (Ch 11) |
4 |
| VIII |
Atoms (Ch 12) |
4 |
|
|
Nuclei (Ch 13) |
4 |
| Total – Unit VIII |
|
8 |
| IX |
Semiconductor Electronics (Ch 14) |
7 |
| Grand Total – All Units |
|
70 |
Distribution of Practical Marks
| Topic |
Marks |
| Two experiments (one from each section) |
7 Marks each |
| Practical record (experiments and activities) |
5 Marks |
| One activity (from any section) |
3 Marks |
| Investigatory Project |
3 Marks |
| Viva on experiments, activities, and project |
5 Marks |
| Total |
30 Marks |
CBSE Chemistry Marks Distribution Class 12
CBSE Chemistry paper consists of 70 marks for Theory and 30 marks for practicals. The high-scoring chapters are Electrochemistry, Solutions, Aldehydes, Ketones and Carboxylic Acids, Coordination Compounds, and Biomolecules. Check CBSE Chemistry Marks distribution Class 12.
| Unit No. | Chapter Name | Weightage (Marks) |
|---|---|---|
| 1 |
Solutions |
7 |
| 2 |
Electrochemistry |
9 |
| 3 |
Chemical Kinetics |
7 |
| 4 |
d- and f-Block Elements |
7 |
| 5 |
Coordination Compounds |
7 |
| 6 |
Haloalkanes and Haloarenes |
6 |
| 7 |
Alcohols, Phenols and Ethers |
6 |
| 8 |
Aldehydes, Ketones and Carboxylic Acids |
8 |
| 9 |
Amines |
6 |
| 10 |
Biomolecules |
7 |
| Total |
70 Marks |
|
Also Read: Chemistry Class 12 Marks Distribution
CBSE Biology Marks Distribution Class 12
The Theory Paper carries 70 marks and 30 are allotted for Practical. The important chapters are Reproduction, Genetics, Biotechnology, and Ecology. CBSE Biology marks distribution Class 12 are given below.
| Unit | Chapter | Weightage |
|---|---|---|
| Unit VI: Reproduction |
Sexual Reproduction in Flowering Plants |
7 marks |
|
|
Human Reproduction |
6 marks |
|
|
Reproductive Health |
3 marks |
|
|
Total |
16 marks |
| Unit VII: Genetics and Evolution |
Principles of Inheritance and Variation |
8 marks |
|
|
Molecular Basis of Inheritance |
8 marks |
|
|
Evolution |
4 marks |
|
|
Total |
20 marks |
| Unit VIII: Biology and Human Welfare |
Human Health and Diseases |
9 marks |
|
|
Microbes in Human Welfare |
3 marks |
|
|
Total |
12 marks |
| Unit IX: Biotechnology and Its Applications |
Biotechnology - Principles and Processes |
6 marks |
|
|
Biotechnology and Its Applications |
6 marks |
|
|
Total |
12 marks |
| Unit X: Ecology and Environment |
Organisms and Populations |
5 marks |
|
|
Ecosystem |
3 marks |
|
|
Biodiversity and Its Conservation |
2 marks |
|
|
Total |
10 marks |
CBSE 2027 Marks Distribution: Important Points
Few important points related to CBSE 2027 marks distribution are given below.
- Students and schools are aware of the maximum marks assigned to the theory and Practical, Project & Internal Assessment components
- Students are aware of the maximum time allotted to each subject for theory examinations so that they can prepare and complete their theory examinations well within the scheduled time
- Teachers acting as Internal/External examiners in Practical, Project & Internal Assessment components are well aware of the maximum marks assigned, so that marks are awarded and uploaded accordingly without any mistake and no request is made to change the uploaded marks.

News & Updates
Student Forum
Answered 6 days ago
Students can download the CBSE Class 10 Maths Syllabus PDF from cbseacademic.nic.in. Open the Curriculum section, choose the 2026-27 curriculum and click on Mathematics.
S
Contributor-Level 10
Answered 6 days ago
The CBSE Class 10 Maths exam pattern 2027 has 38 questions in five sections. Students must answer all of them. The paper is of 80 marks and runs for 3 hours. Calculators are not allowed.
S
Contributor-Level 10
Answered 6 days ago
CBSE has not shared a separate deleted list for the CBSE Class 10 Maths syllabus. But some topics have limits. For example, segment area is asked only for 60°, 90° and 120°
S
Contributor-Level 10
Answered 6 days ago
Algebra has the highest marks at 20. It covers Polynomials, Pair of Linear Equations, Quadratic Equations and Arithmetic Progressions. Geometry comes second with 15 marks.
S
Contributor-Level 10
Answered 6 days ago
The CBSE Class 10 Maths Syllabus 2027 has seven units. The theory paper carries 80 marks and internal assessment carries 20 marks. Algebra has the highest weightage with 20 marks.
S
Contributor-Level 10
Answered a week ago
The CBSE Class 10 Maths exam pattern 2027 has 38 questions in five sections. Students must answer all of them. The paper is of 80 marks and runs for 3 hours. Calculators are not allowed.
S
Contributor-Level 10
Answered a week ago
CBSE has not shared a separate deleted list for the CBSE Class 10 Maths syllabus. But some topics have limits. For example, segment area is asked only for 60°, 90° and 120°.
S
Contributor-Level 10
Answered a week ago
Algebra has the highest marks at 20. It covers Polynomials, Pair of Linear Equations, Quadratic Equations and Arithmetic Progressions. Geometry comes second with 15 marks.
S
Contributor-Level 10
Answered a week ago
The CBSE Class 10 Maths Syllabus 2027 has seven units. The theory paper carries 80 marks and internal assessment carries 20 marks. Algebra has the highest weightage with 20 marks.
S
Contributor-Level 10
Answered 2 weeks ago
There are five Physics practicals out of 14 Science practicals. They cover the V-I graph, resistors in series and parallel, focal length, the glass slab and the prism.
S
Contributor-Level 10