CBSE Class 12th 2025: Syllabus | Exam Pattern | Marking Scheme | Weightage

  • ALLEN Overseas
  • April 29, 2024
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The CBSE Class 12th Board Exams are an important milestone in every student’s academic journey. Acing these exams can pave the way for admission into prestigious colleges and universities, opening doors to your dream career. But let’s be honest, the pressure to perform well can be immense. Don’t worry; we’re here to help!

The CBSE Class 12th Board Exam syllabus 2025 is almost similar to 2024, with a minor modification in the exam pattern. The CBSE Class 12th curriculum aims to develop critical-thinking and problem-solving abilities among the students. It is not just limited to theoretical knowledge; it also provides an opportunity for personal growth. The course teaches essential skills such as discipline, focus, organisation, time management, and working under pressure, which are vital for academic and life success. Understanding the CBSE Class 12th syllabus, exam pattern, and marking scheme is crucial to plan your preparation effectively.

This blog is your comprehensive guide to conquering the CBSE Class 12th Board Exams 2025. We’ll break down the syllabus for all subjects and exam pattern, explain chapter-wise weightage, and explain the marking scheme so you know exactly what the examiners are looking for. This information allows you to create a strategic study plan and confidently approach the exams.

So, let’s dive into this!

Table of Content
CBSE Class 12th English Core

CBSE Class 12th Mathematics

CBSE Class 12th Physics

CBSE Class 12th Chemistry

CBSE Class 12th Biology

CBSE Class 12th Computer Science

CBSE Class 12th Previous Year Paper and Analysis

CBSE Class 12th English Core:

The English CBSE Class 12th Board Exam tests a student’s proficiency in the English language. The theory exam of English is divided into three sections: Reading, Writing, and Literature. The course consists of two books, Flamingo and Vistas, which are prose and poems.

The CBSE Class 12th English exam is worth 100 marks, divided into two parts: a theory exam worth 80 and an internal assessment worth 20.

To score well in this exam, students must read extensively, improve their writing skills, and practice solving previous years’ question papers. Additionally, they must understand the CBSE Class 12th English Syllabus, exam pattern and other important aspects.

Class 12th English Core 2025 Question Paper Design:

Below is the paper design for CBSE Class 12th 2025 English. The theoretical exam carries 80 marks, and 20 marks are allocated for internal assessment.

Section Competencies Total Marks
Theory Reading-Skills Conceptual understanding, decoding, analysing, inferring, interpreting, appreciating, literary, conventions and vocabulary, summarising, and using appropriate format. 22
Creative Writing-Skills Conceptual Understanding, Application of Rules, Analysis, Reasoning, Appropriacy of Style & Tone, Using appropriate format & fluency, inference, analysis, evaluation and creativity 18
Literature Text Book and Supplementary Reading Recalling, Reasoning, Critical Thinking, Appreciating Literary Convention, Inference, Analysis, Creativity with Fluency 40
Total 80
Internal Assessment Assessment of Listening and Speaking Skills

Listening

Speaking

5+5 = 10
Project Work 10
Total 20
Grand Total (Theory + Internal Assessment) 100

Class 12th English Section-wise Marking Scheme:

Section Topics Marks
Section A (Reading Skills) Reading Comprehension through Unseen Passage

Discursive passage

Case-based factual passage

12 + 10 Marks
Section B (Writing Skills) Notice (up to 50 Words) 4 Marks
Formal/ Informal Invitation & Reply (up to 50 Words) 4 Marks
Letter Writing (120-150 Words)

Application for Job/ Bio Data/ Resume/ Letter to the Editor

5 Marks
Article/ Report Writing (120-150 Words) 5 Marks
Section C (Literature Text Book and Supplementary Reading Text) One extract out of two from Poetry (Flamingo) 6 Marks
One extract out of two from Prose (Vistas) 4 Marks
One extract out of two from Prose (Flamingo) 6 Marks
Short Answer Type
Prose & Poetry [Flamingo (5 out of 6 questions)] 2×5 = 10 Marks
Prose [Vistas (2 out of 3 questions)] 2×2 = 4 Marks
Long Answer Type
Pros/Poetry [Flamingo (1 out of 2 Questions)] 5 Marks
Vista (1 out of 2 Questions) 5 Marks

Class 12th English Complete Syllabus 2025:

CBSE Class 12th Mathematics:

The CBSE Class 12th Mathematics Board Exam is a significant milestone for students in the Science stream. The CBSE Maths exam, which consists of 80 marks and lasts three hours, is a comprehensive test of your mathematical skills, including 20 marks for internal assessment. The syllabus covers many topics, from maths, ensuring you’re well-prepared for the challenges ahead.

Class 12th Mathematics Question Paper Design:

S.No. Typology of Questions Total Marks Weightage (%)
1 Remembering

Understanding

44 55
2 Applying 20 25
3 Analysing

Evaluating

Creating

16 20
Total 80 100

Class 12th Mathematics Unit-Wise Weightage:

Unit Unit Name Marks
I Relation and Functions 8
II Algebra 10
III Calculus 35
IV Vectors and Three-Dimensional Geometry 14
V Linear Programming 5
VI Probability 8
Total 80

Class 12th Mathematics Exam Pattern & Marking Scheme:

Theory Exam
Sections Type of Questions No of Questions Marks Total Marks
A MCQs and Assertion-Reason Based Questions 20 1 Mark Each 20
B Very Short Answer Type Questions 5 2 Marks Each 10
C Short Answer Type Questions 6 3 Marks Each 18
D Long Answer Type Questions 4 5 Marks Each 20
E Source-Based/ Case-Based/ Passage-Based/ Integrated Units of Assessment 3 4 Marks Each 12
Total Marks 80
Internal Assessment
Periodic Tests (2 out of 3 tests conducted) 10 Marks
Mathematics Activities 10 Marks
Total Marks 20

Class 12th Mathematics Chapter-Wise Weightage:

Unit Unit Name Chapters Marks Total Marks
I Relation and Functions Relations and Functions 4 8
Inverse Trigonometric Functions 4
II Algebra Matrices 5 10
Determinants 5
III Calculus Continuity and Differentiability 9 35
Applications of Derivatives 4
Integrals 9
Applications of the Integrals 6
Differential Equations 7
IV Vectors and Three-Dimensional Geometry Vectors 7 14
Three-Dimensional Geometry 7
V Linear Programming Linear Programming 5 5
VI Probability Probability 8 8
Total 80

Class 12th Mathematics Complete Syllabus 2025:

CBSE Class 12th Physics:

The Class 12th Physics CBSE Board Exam is very important for students who have chosen the Science stream. The theoretical exam is worth 70 marks and lasts three hours; the practical exam is worth 30 marks.

Students are expected to have a strong understanding of the fundamental concepts and should be able to apply them to solve problems. Scoring well in this exam is crucial as it can unlock opportunities for higher education in prestigious institutions and careers in fields such as engineering, research, and technology.

With proper strategy, students can perform well in the Class 12th Physics CBSE Board Exam and pave the way for a successful career. To help students with this, we share detailed information about the CBSE Class 12th 2025 Physics syllabus and other related aspects.

Class 12th Physics Question Paper Design:

S.No. Typology of Questions Total Marks Weightage (%)
1 Remembering

Understanding

27 38%
2 Applying 22 32%
3 Analysing

Evaluating

Creating

21 30%
Total 70 100
Practical 30
Gross Total 100

Class 12th Physics Unit-Wise Weightage:

Unit Unit Name Marks
I Electrostatics 16
II Current Electricity
III Magnetic Effects of Current and Magnetism 17
IV Electromagnetic Induction and Alternating Currents
V Electromagnetic Waves 18
VI Optics
VII Dual Nature of Radiation and Matter 12
VIII Atoms and Nuclei
IX Electronic Devices 7
Total 70

Class 12th Physics Exam Pattern & Marking Scheme:

Theory Exam
Sections Type of Questions No of Questions Marks Total Marks
A MCQs and Assertion-Reason Based Questions 16 1 Mark Each 16
B Very Short Answer Type Questions 5 2 Marks Each 10
C Short Answer Type Questions 7 3 Marks Each 21
D Case-Study Based Questions 2 4 Marks Each 8
E Long Answer Type Questions 3 5 Marks Each 15
Total Marks 70
Practical
Two Experiments, one from each section 7 + 7 Marks
Practical Record (Experiments & Activities) 5 Marks
One Activity from any section 3 Marks
Investigatory Project 3 Marks
Viva on Experiments, Activities and Project 5 Marks
Total Marks 30

Note: For complete details of practicals and activities, please go through the syllabus.

Class 12th Physics Chapter-Wise Weightage:

Unit Unit Name Chapter Name Marks
I Electrostatics Electric Charges and Fields  5
Electrostatic Potential and Capacitance 5
II Current Electricity Current Electricity 6
III Magnetic Effects of Current and Magnetism Moving Charges and Magnetism  5
Magnetism and Matter 3
IV Electromagnetic Induction and Alternating Currents Electromagnetic Induction 4
Alternating Currents 5
V Electromagnetic Waves Electromagnetic Waves  4
VI Optics Ray Optics and Optical Instruments 8
Wave Optics 6
VII Dual Nature of Radiation and Matter Dual Nature of Radiation and Matter  5
VIII Atoms and Nuclei Atoms 3
Nuclei 4
IX Electronic Devices Electronic Devices 7
Total 70

Class 12th Physics Complete Syllabus 2025:

CBSE Class 12th Chemistry:

The Class 12th Chemistry CBSE Board Exam is an important and challenging exam for Science stream students. It consists of theoretical and practical exams, and students are required to perform experiments and write lab reports.

To perform well in the exam, aspiring students must understand the marking scheme, CBSE Class 12th Chemistry important topics, paper pattern and syllabus.

Class 12th Chemistry Question Paper Design:

S.No. Typology of Questions Total Marks Weightage (%)
1 Remembering

Understanding

28 40%
2 Applying 21 30%
3 Analysing

Evaluating

Creating

21 30%
Total 70 100

Class 12th Chemistry Unit-Wise Weightage:

Unit Unit Name Marks
I Solutions 7
II Electrochemistry 9
III Chemical Kinetics 7
IV d- and f-Block Elements 7
V Coordination Compounds 7
VI Haloalkanes and Haloarenes 6
VII Alcohols, Phenols and Ethers 6
VIII Aldehydes, Ketones and Carboxylic Acid 8
IX Amines 6
X Biomolecules 7
Total 70

Class 12th Chemistry Exam Pattern & Marking Scheme:

Theory Exam
Sections Type of Questions No of Questions Marks Total Marks
A MCQs and Assertion-Reason Based Questions 16 1 Mark Each 16
B Very Short Answer Type Questions 5 2 Marks Each 10
C Short Answer Type Questions 7 3 Marks Each 21
D Case-Study Based Questions 2 4 Marks Each 8
E Long Answer Type Questions 3 5 Marks Each 15
Total Marks 70
Practical
Volumetric Analysis 8 Marks
Salt Analysis 8 Marks
Content-Based Experiment 6 Marks
Project Work 4 Marks
Class Record and Viva 4 Marks
Total Marks 30

Note: For complete details of practicals and activities, please go through the syllabus.

Class 12th Chemistry Complete Syllabus 2025:

CBSE Class 12th Biology:

The Class 12th Biology CBSE Board Exam is crucial for students pursuing their Class 12th in the Science stream and selecting Biology as their subject. The exam lasts for three hours and carries 70 marks (theory). Scoring well in this exam is vital as it opens up doors for higher education and careers in the related streams.

To prepare for the exam, students must grasp the theoretical and practical aspects of Biology. They should also have in-depth knowledge of the syllabus, marking scheme, paper pattern and important topics. Below are the complete details that will help the students prepare for the CBSE Class 12th Biology theory and practical exams.

Class 12th Biology Question Paper Design:

S.No. Competencies Weightage (%)
1 Demonstrate Knowledge and Understanding 50%
2 Application of Knowledge / Concepts 30%
3 Analyse, Evaluate and Create 20%
Total 100

Class 12th Biology Unit-Wise Weightage:

Unit Unit Name Marks
VI Reproduction 16
VII Genetics and Human Welfare 20
VIII Biology and Human Welfare 12
IX Biotechnology and its Applications 12
X Ecology and Environment 10
Total 70

Class 12th Biology Exam Pattern and Marking Scheme:

Theory Exam
Sections Type of Questions No of Questions Marks Total Marks
A MCQs and Assertion-Reason Based Questions 16 1 Mark Each 16
B Very Short Answer Type Questions 5 2 Marks Each 10
C Short Answer Type Questions 7 3 Marks Each 21
D Case-Study Based Questions 2 4 Marks Each 8
E Long Answer Type Questions 3 5 Marks Each 15
Total Marks 70
Practical
One Major Experiment (5) 5 Marks
One Minor Experiment (2 & 3) 4 Marks
Slide Preparation (1 & 4) 5 Marks
Spotting 7 Marks
Practical Record and Viva Voce 4 Marks
  Investigatory Project and its Project Record + Viva Voce 5 Marks
Total Marks 30

Note: Please review the syllabus for complete details of practicals and activities.

Class 12th Biology Chapter-Wise Weightage:

Unit Unit Name Chapter Name Marks
VI Reproduction Sexual Reproduction in Flowering Plants 3
Human Reproduction 8
Reproductive Health 5
VII Genetics and Human Welfare Principles of Inheritance and Variation 5
Molecular Basis of Inheritance 10
Evolution 5
VIII Biology and Human Welfare Human Health and Diseases 8
Microbes in Human Welfare 4
IX Biotechnology and its Applications Biotechnology- Principles and Processes 8
Biotechnology and its Applications 4
X Ecology and Environment Organisms and Populations 4
Ecosystem 3
Biodiversity and Its Conservation 3
Total 70

Class 12th Biology Complete Syllabus 2025:

CBSE Class 12th Computer Science:

Like the other subjects, the CBSE Class 12th Computer Science exam has 100 marks, 70 marks for the theory paper, and 30 marks for the practical exam. It covers various topics such as programming in Python, Database Management Systems (DBMS), Networking, and Web Development. To excel in the exam, students should have a firm grasp of computer programming concepts, algorithms, and data structures.

Class 12th Computer Science Unit-Wise Weightage:

Unit No. Unit Name Marks Periods
Theory Practical
I Computational Thinking and Programming – 2 40 70 50
II Computer Networks 10 15
III Database Management 20 25 20
Total 70 110 70

Class 12th Computer Science 2025 Exam Pattern and Marking Scheme:

Theory Exam
Sections Type of Questions No of Questions Marks Total Marks
A MCQs and Assertion-Reason Based Questions 18 1 Mark Each 18
B Very Short Answer Type Questions 7 2 Marks Each 14
C Short Answer Type Questions 5 3 Marks Each 15
D Case-Study Based Questions 2 4 Marks Each 8
E Long Answer Type Questions 3 5 Marks Each 15
Total Marks 70
Practical
Lab Test

  1. Python Program
  2. SQL Queries
8 + 4 Marks
Report File:

Minimum 15 Python Programs

SQL Queries – Minimum 5 Sets Using one/ two tables

Minimum 4 programs based on Python – SQL connectivity

7 Marks
Project (using concepts learnt in Classes 11 & 12) 8 Marks
Viva Voce 3 Marks
Total Marks 30

Class 12th Computer Science Complete Syllabus 2025:

CBSE Class 12th Previous Year Paper and Analysis:

Note: The above-shared details are based on the analysis made by the ALLEN Experts on the previous year’s trends. This may be subject to update or change as per the decision of the organising body. For the latest information, please refer to its official website.

Remember, success is not a coincidence; it’s a result of meticulous planning and preparation! So, plan and prepare for the CBSE Class 12th 2025 Board Exams now!

We hope the above information will help you in your preparation. Remember to share it with your friends while preparing for the 12th board exam. Stay tuned with us for more updates!

CBSE Official Website: www.cbse.gov.in

Wishing you the best of luck for your exams!

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