CBSE 2027 marks distribution: Check Class Class 10, 12 Marks Bifurcation

Central Board of Secondary Education 2027 ( CBSE )

Anangsha
Anangsha Patra
Manager – Editorial
Updated on Nov 6, 2026 12:49 IST
CBSE 2027 marks distribution was released by the board on Nov 5, so that students prepare accordingly for exam. The marks bifurcation highlights the distribution of marks in theory, practical/internal assessment and project. Read here for more details on CBSE Marks Distribution 2027 Class 10, 12

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.

CBSE 2027 marks distribution

CBSE 2027 marks distribution

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
Table of contents
  • 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
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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 10th Previous Years Question Papers

CBSE 12th Previous Years Question Papers

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

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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 10th Sample Papers 2026-27

CBSE 12th Sample Papers 2026-27

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.
About the Author
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Anangsha Patra
Manager – Editorial
Anangsha Patra is MA in Mass Communication & Journalism with more than 10 years of experience in the field of Journalism, Content Writing and Editing. At Shiksha.Com, she works as Deputy Manager-Content for the Sark
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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

Shobhit Saini

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

Shobhit Saini

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

Shobhit Saini

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

Shobhit Saini

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

Shobhit Saini

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

Shobhit Saini

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

Shobhit Saini

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

Shobhit Saini

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

Shobhit Saini

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

Shobhit Saini

Contributor-Level 10