• Written By Varsha
  • Last Modified 25-10-2024

CBSE Class 12 Marking Scheme and Weightage Distribution 2025: Check Now

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CBSE 12th Marking Scheme and Weightage 2025: The Central Board of Secondary Education (CBSE) will publish the weighting distribution for all courses in the CBSE Class 12 marking scheme on its official website. Students taking the CBSE Class 12 board exam 2025 can better prepare by being aware of the exam format and scoring system. CBSE has already made public the CBSE marking methodology and weightage distribution 2025.

To help students organise their study schedules, Embibe has made available the most recent CBSE subject-by-subject marking structure for Class 12. This will boost the possibility of earning better grades. Read this article to learn more about the weighted distribution of Physics, Chemistry, Mathematics, Biology, and English in the Class 12 CBSE marking scheme.

Practice All CBSE Class 12 Exercise Questions with Hints & Solutions Here!

Pro Tip: At Embibe, we believe that all students have the right to personalised guidance. Embibe offers personalised attention to all the CBSE Class 12 students to help them prepare for their exams and score good marks.
SubjectPractice Questions from CBSE Class 12 Books
MathematicsPractice Here
PhysicsPractice Here
BiologyPractice Here
ChemistryPractice Here

CBSE Class 12 Improvement Exam Full Test Series

Embibe provides the CBSE Class 12 full test series so that students can do ample practice and get maximum marks in their improvement exams. This will also help them identify their strengths and weaknesses, based on which they can create a proper schedule for their exam preparation. Candidates can follow the steps below to take the Test Series:

  • 1st Step: Visit Embibe’s official website at i.e., embibe.com.
  • 2nd Step: Login through your mobile number/email.
  • 3rd Step: Select your exam as ‘12th CBSE’ under goal ‘CBSE’.
  • 4th Step: Click Next and select your preferred language.
  • 5th Step: Once done, click on the below-mentioned links to take the test.
SubjectTake Tests
Physics Test 1Take Test
Physics Test 2Take Test
Chemistry Test 1Take Test
Chemistry Test 2Take Test
Biology Test 1Take Test
Biology Test 2Take Test
Maths Test 1Take Test
Maths Test 2Take Test

CBSE Class 12 Marking Scheme 2025

The minimum percentage a candidate must score to pass each CBSE Class 12 board exam subject is 33%. Moreover, the candidate must also secure at least 33% aggregate marks to pass the board exam. Candidates who secure 33% or above aggregate marks but below 33% in any subject must appear for the supplementary exam.

  • There would be a minimum of 30% competency-based questions in the form of multiple-choice questions, case-based questions, source-based integrated questions or any other types.
  • Objective-type questions will be 20%.
  • The remaining 50% will be the short answer/long answer questions (as per the existing pattern)

CBSE Class 12 Maths Weightage

Students can note all the topics included in Mathematics, along with the weightage for each unit for the year 2024. Here, students can check the CBSE marking scheme for Class 12 2024.

UnitsMarks Distribution
Relations and Functions08
Algebra10
Calculus35
Linear Programming05
Vectors and Three-Dimensional Geometry14
Probability08

CBSE Class 12 Maths Question Paper Pattern 2025

CBSE Class 12 Maths Question Paper consists of five sections – A, B, C, D and E. It is mandatory to attempt all the sections. The marking scheme of CBSE Class 12 according to the questions and section is also given below so students can practice accordingly:

  • Section A: Contains 20 Multiple Choice Questions and each question carries 1 mark.
  • Section B: Contains 5 Very Short Answer Questions and each question carries 2 marks.
  • Section C: Contains 6 Short Answer Questions and each question carries 3 marks.
  • Section D: Contains 4 Long Answer Questions, and each question carries 5 marks.
  • Section E: Contains 3 Case Studies/Passage-based Questions, and each question carries 4 marks.
CBSE Maths Sample Paper
CBSE Class 12 Maths Marking Scheme
CBSE Class 12 Maths Sample Paper

Test your CBSE Class 12 Concepts with Unlimited Practice Questions

Pro Tip: At Embibe, we believe that all students have the right to personalised guidance. Embibe offers personalised attention to all the CBSE Class 12 students to help them prepare for their exams and score good marks.
SubjectTest Your CBSE Class 12 Concepts
MathematicsTake Test Here
PhysicsTake Test Here
ChemistryTake Test Here
BiologyTake Test Here

CBSE Class 12 Physics Weightage

Knowing the weightage of topics helps students prepare for exams in a planned and strategic way. The chapter-wise marking scheme of CBSE Class 12 Physics is tabulated below:

Unit Chapter Marks
Unit 1 – Electrostatics Chapter–1: Electric Charges and Fields 16
Chapter–2: Electrostatic Potential and Capacitance
Unit 2 – Current Electricity Chapter -3: Current Electricity
Unit 3 – Magnetic Effects of Current and Magnetism Chapter–4: Moving Charges and Magnetism 17
Chapter–5: Magnetism and Matter
Unit 4 – Electromagnetic Induction and Alternating Currents Chapter–6: Electromagnetic Induction
Chapter–7: Alternating Current
Unit 5 – Electromagnetic Waves Chapter–8: Electromagnetic Waves 18
Unit 6 – Optics Chapter–9: Ray Optics and Optical Instruments
Chapter–10: Wave Optics
Unit 7 – Dual Nature of Radiation and Matter Chapter–11: Dual Nature of Radiation and Matter 12
Unit 8 – Atoms and Nuclei Chapter–12: Atoms
Chapter–13: Nuclei
Unit 9 – Electronic Devices Chapter–14: Semiconductor Electronics: Materials, Devices and Simple Circuits 7
Total 70

CBSE Class 12 Physics Question Paper Pattern 2025

The question paper contains a total of five sections: A, B, C, D and E. All the sections are to be attempted mandatorily; there are a total of 35 questions in Physics.

  • Section A: Contains eighteen Multiple-choice Questions, and each question carries 1 mark.
  • Section B: Contains seven questions, and each question carries 2 marks.
  • Section C: Contains five questions, and each question carries 3 marks.
  • Section D: Contains three long answer questions, and each question carries 5 marks
  • Section E: Contains two case-based questions, and each question carries 4 marks
CBSE Physics Sample Paper
CBSE Class 12 Physics Marking Scheme (2024)
CBSE Class 12 Physics Sample Paper (2024)
CBSE Class 12 Physics SyllabusClass 12 Physics BookClass 12 Physics NCERT Solutions

CBSE Class 12 Chemistry Weightage

The students from the table below can note down all the topics of Chemistry Class 12. The weightage for each topic of Chemistry has also been mentioned.

UnitTitleMarks Distribution
1.Solutions7
2.Electrochemistry9
3.Chemical Kinetics7
4.d -and f -Block Elements7
5.Coordination Compounds7
6.Haloalkanes and Haloarenes6
7.Alcohols, Phenols and Ethers6
8.Aldehydes, Ketones and Carboxylic Acids8
9.Amines6
10.Biomolecules7

CBSE Class 12 Chemistry Question Paper Pattern 2025

There are 35 questions in this question paper, and there is an internal choice.

  • Section A: Contains 18 Multiple Choice Questions, and each question carries 1 mark.
  • Section B: Contains 7 Very Short Answer Questions, and each question carries 2 marks
  • Section C: Contains 5 Short Answer Questions, and each question carries 3 marks
  • Section D: Contains 2 Case-Based Questions, and each question carries 4 marks
  • Section E: Contains 3 Long Answer Questions, and each question carries 5 marks
CBSE Chemistry Sample Paper
CBSE Class 12 Chemistry Marking Scheme 2024
CBSE Class 12 Chemistry Sample Paper
CBSE Class 12 Chemistry SyllabusClass 12 Chemistry NCERT BooksClass 12 Chemistry NCERT Solutions

CBSE Class 12 Biology Weightage

All the topics included in CBSE Class 12 Biology have been mentioned below for students’ reference. The marks distribution for each topic is also mentioned.

The CBSE Class 12 Biology marking scheme is tabulated below:

S.No.TitleMarks
1.Reproduction16
2.Genetics and Evolution20
3.Biology and Human Welfare12
4.Biotechnology and its Applications12
5.Ecology and Environment10
 Total70

CBSE Class 12 Biology Question Paper Design 2025

All questions are compulsory. The question paper has five sections: Section A, Section B, Section C, Section D and Section E. There are 33 questions in the question paper.

  • Section A: Has 16 questions, and each question carries 1 mark.
  • Section B: Has 5 questions, and each question carries 2 marks.
  • Section C: Has 7 questions, and each question carries 3 marks.
  • Section D: Has 2 case-based questions, and each question carries 4 marks.
  • Section E: Has 3 questions, and each question carries 5 marks.
CBSE BiologySample Paper
CBSE Class 12 Biology Marking Scheme 2024
CBSE Class 12 Biology Sample Paper
CBSE Class 12 Biology SyllabusClass 12 Biology NCERT SolutionsClass 12 Biology Books

CBSE Class 12 Marking Scheme and Weightage for Other Subjects

The CBSE Board has already released the marking scheme for the CBSE Class 12 exam 2025. Apart from Science, students appearing for various other subjects need to ensure that they prepare for the exam in a better manner. Students can refer to the CBSE 12th marking scheme 2025 from the table below:

S.No.CBSE Class 12 Other Subjects Marking Scheme
1.Class 12 Accountancy Marking Scheme
2.Class 12 Arabic Marking Scheme
3.Class 12 Assamese Marking Scheme
4.Class 12 Bengali Marking Scheme
5.Class 12 Bhutia Marking Scheme
6.Class 12 Biotechnology Marking Scheme
7.Class 12 Business Studies Marking Scheme
8.Class 12 Carnatic Melodic Marking Scheme
9.Class 12 Carnatic Percussion Marking Scheme
10.Class 12 Carnatic Vocal Marking Scheme
11.Class 12 Commercial Art Marking Scheme
12.Class 12 Computer Science Marking Scheme
13.Class 12 Dance Manipuri Marking Scheme
14.Class 12 Economics Marking Scheme
15.Class 12 Engg. Graphic Marking Scheme
16.Class 12 English Core Marking Scheme
17.Class 12 English Elective Marking Scheme
18.Class 12 Entrepreneurship Marking Scheme
19.Class 12 French Marking Scheme
20.Class 12 Geography Marking Scheme
21.Class 12 German Marking Scheme
22.Class 12 Gujarati Marking Scheme
23.Class 12 Hindi Core Marking Scheme
24.Class 12 Hindi Elective Marking Scheme
25.Class 12 History Marking Scheme
26.Class 12 Hindustani Music (Melodic) Marking Scheme
27.Class 12 Hindustani Music (Percussion) Marking Scheme
28.Class 12 Hindustani Music (Vocal) Marking Scheme
29Class 12 Home Science Marking Scheme
30.Class 12 Informatics Practices Marking Scheme
31.Class 12 Japanese Marking Scheme
32.Class 12 Kannada Marking Scheme
33.Class 12 Kashmiri Marking Scheme
34.Class 12 Kathak Marking Scheme
35.Class 12 Kathakali Marking Scheme
36.Class 12 Kuchipudi Marking Scheme
37.Class 12 Legal Studies Marking Scheme
38.Class 12 Lepcha Marking Scheme
39.Class 12 Limboo Marking Scheme
40.Class 12 Malayalam Marking Scheme
41.Class 12 Manipuri Marking Scheme
42.Class 12 Marathi Marking Scheme
43.Class 12 Mizo Marking Scheme
44.Class 12 NCC Marking Scheme
45.Class 12 Nepali Marking Scheme
46.Class 12 Odia Marking Scheme
47.Class 12 Painting Marking Scheme
48.Class 12 Graphic Marking Scheme
49.Class 12 Sculpture Marking Scheme
50.Class 12 Persian Marking Scheme
51.Class 12 Physical Education Marking Scheme
52.Class 12 Political Science Marking Scheme
53.Class 12 Psychology Marking Scheme
54.Class 12 Punjabi Marking Scheme
55.Class 12 Russian Marking Scheme
56.Class 12 Sindhi Marking Scheme
57.Class 12 Sociology Marking Scheme
58.Class 12 Spanish Marking Scheme
59.Class 12 Sanskrit Core Marking Scheme
60.Class 12 Sanskrit Elective Marking Scheme
61.Class 12 Tamil Marking Scheme
62.Class 12 Tangkhul Marking Scheme
63.Class 12 Telangana Telugu Marking Scheme
64.Class 12 Telugu Marking Scheme
65.Class 12 Tibetan Marking Scheme
66.Class 12 Urdu Core Marking Scheme
67.Class 12 Urdu Elective Marking Scheme

FAQs on CBSE Class 12 Marking Scheme and Weightage Distribution 2024

Some frequently asked questions on the marking scheme of CBSE and weightage distribution are as follows:

Q: What is the weightage of the Coordination Compounds chapter in Chemistry Class 12 CBSE?

Ans: The Coordinate Compounds chapter in Chemistry Class 12 CBSE carries 7 marks.

Q: What are the chapters in CBSE Class 12 Science?

Ans: The chapters in CBSE Class 12 Science and their weightage are available in the article above.

Q: How do I know the CBSE Class 12 exam 2024 marking scheme?

Ans: The marking scheme for every subject of CBSE Class 12 for the year 2024 has been mentioned in this article.

Q: When will the CBSE Class 12 2024 board exam be conducted?

Ans: The CBSE Class 12 board exams 2024 will be tentatively conducted in the third week of February 2024.

Q: Where can I find practice questions for CBSE Class 12 Maths?

Ans: Students can find practice questions for CBSE Class 12 Maths at Embibe.

We hope that this article on CBSE Class 12 marking scheme and weightage is helpful for you. For any further updates on CBSE Class 12 exam, subscribe to Embibe.

Adaptive Practice with Solutions To Help You Ace Important Topics for CBSE Class 12