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Bihar Board Latest Updates
26 Sep, 2025 Bihar Board 12th Previous Year Papers with Answers are available here for free. Download Here
The Bihar Board Class 12 syllabus has been released officially on its website, biharboardonline.bihar.gov.in, for the academic year 2025-26. The syllabus of class 12 includes subjects like science, commerce, and arts. Each subject carries 100 marks, and the exam duration is 3 hours and 15 minutes.
- The Class 12 board exams include a 50-50 format for MCQs and subjective questions, whereas science is divided 70:30 between theory and practicals, and commerce and arts are entirely theory-based.
- To pass, students must achieve a minimum score of 30% in each subject.
The article discusses the marking scheme, syllabus, subject-specific weightage, preparation tips, and previous year question papers to help students understand the exam pattern and plan their preparation effectively.
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Key Summary
- In this article, we have discussed the Bihar Board Class 12 Syllabus, subject-wise syllabus and weightage, marking scheme, preparation tips, and previous year questions.
- The Bihar Board Class 12 syllabus for 2025-26 includes science, commerce, and arts streams, with each subject carrying 100 marks.
- The exams are 50% MCQ and 50% subjective questions, with science having a 70:30 balance between theory and practicals, and commerce and arts being entirely theory-based.
- To pass the board examination, students have to secure at least 30% in each subject.
- Students can successfully plan their preparation using the syllabus, marking scheme, subject-specific weightage, and recommended books.
- Regularly practicing previous years' question papers is crucial for understanding the exam pattern and time management.
What is the Bihar Board Class 12 Syllabus 2025-26?
The Class 12 Syllabus for the academic year 2025-26 is now officially published on the Bihar School Examination Board (BSEB) website.
The syllabus covers chapters from the science, commerce, and arts streams, with course content and marking schemes for each stream given below:
| Streams | Science, Commerce, and Arts |
|---|---|
| Total Marks per Subject | 100 (Theory + Practical) |
| Exam Duration | 3 hours and 15 minutes |
| Theory-Practical Distribution | Science: 70 Marks Theory 30 Marks Practical |
| Commerce & Arts | 100 Marks Theory |
| Objective-Subjective Question Split | 50% MCQs, 50% Subjective Questions |
| Passing Criteria | Minimum 30% in each subject |
Bihar Board Class 12 Subject-wise Syllabus and Weightage
The subject-wise syllabus gives detailed outlines of chapters and important topics for all subjects in the science, commerce, and arts streams, allowing students to easily plan their preparation.
- Each subject carries 100 points, with a mix of theory and practical exams when necessary.
- The syllabus contains the exam pattern, marking scheme, and passing criteria, providing students with a clear knowledge of what to study for their board exam.
Bihar Board Class 12 Syllabus 2025-26: Science Streams
The class 12 science syllabus of the Bihar Board consists of subjects like physics, chemistry, mathematics, biology, and computer science.
Additionally, English is a compulsory subject, while several optional language subjects are available.
The syllabus for each of the core science courses for class 12, along with the corresponding unit names and mark distribution, is given below:
Bihar Board Class 12 Physics Syllabus
The table below distributes marks across 10 key units, covering electricity, magnetism, optics, modern physics, and communication systems, ensuring balanced preparation for theory and applications:
| Sl. No. | Topic | Marks |
|---|---|---|
| I | Electrostatics | 08 |
| II | Current Electricity | 07 |
| III | Magnetic Effect of Current and Magnetism | 08 |
| IV | Electromagnetic Induction & Alternating Current | 08 |
| V | Electromagnetic Waves | 03 |
| VI | Optics | 14 |
| VII | Dual Nature of Radiation and Matter | 04 |
| VIII | Atoms and Nuclei | 06 |
| IX | Electronic Devices | 07 |
| X | Communication Systems | 07 |
Bihar Board Class 12 Chemistry Syllabus
The following table highlights fundamental ideas, reactions, and real-world applications in physical, inorganic, and organic chemistry, with mark distribution among 16 units:
| Sl. No. | Topic | Marks |
|---|---|---|
| I | The Solid State | 04 |
| II | Solutions | 05 |
| III | Electrochemistry | 05 |
| IV | Chemical Kinetics | 05 |
| V | Surface Chemistry | 04 |
| VI | General Principles and Processes of Isolation of Elements | 03 |
| VII | p-Block Elements | 08 |
| VIII | d- and f-Block Elements | 05 |
| IX | Coordination Compounds | 03 |
| X | Haloalkanes and Haloarenes | 04 |
| XI | Alcohols, Phenols, and Ethers | 04 |
| XII | Aldehydes, Ketones, and Carboxylic Acids | 06 |
| XIII | Organic Compounds Containing Nitrogen | 04 |
| XIV | Biomolecules | 04 |
| XV | Polymers | 03 |
| XVI | Chemistry in Everyday Life | 03 |
Bihar Board Class 12 Biology Syllabus
This table shows the distribution of marks across 5 major biology areas, with a focus on reproduction, genetics, human welfare, biotechnology, and ecology:
| S.No. | Topic | Marks |
|---|---|---|
| I | Reproduction | 06 |
| II | Genetics and Evolution | 18 |
| III | Biology and Human Welfare | 18 |
| IV | Biotechnology and Its Applications | 18 |
| V | Ecology and Environment | 10 |
Bihar Board Class 12 Mathematics Syllabus
This table shows the marks distribution to each chapter in mathematics, with calculus receiving the most weightage of any unit:
| S.No. | Topic | Marks |
|---|---|---|
| I | Relations and Functions | 10 |
| II | Algebra | 13 |
| III | Calculus | 40 |
| IV | Vectors and Three-Dimensional Geometry | 18 |
| V | Linear Programming | 09 |
| VI | Probability | 10 |
Bihar Board Class 12 English Syllabus
This table shows the distribution of marks for reading comprehension, creative writing, and literature, with literature receiving the highest weightage:
| Section | Topics/Skills | Marks |
|---|---|---|
| Reading Comprehension | Understanding, decoding, analyzing, inferring, interpreting, summarizing, vocabulary, and literary conventions | 20 |
| Creative Writing Skills | Application of rules, analysis, reasoning, style & tone, format, fluency, inference, evaluation, creativity | 16 |
| Literature (Textbooks & Supplementary) | Recall, reasoning, literary appreciation, inference, analysis, creativity, fluency | 44 |
| Total | — | 80 |
Bihar Board Class 12 Syllabus 2025-26: Commerce Streams
The class 12 commerce syllabus covers basic subjects such as accounting, business studies, economics, and mathematics, as well as English as a required subject and elective language disciplines.
The table below includes information on chapters and unit-wise mark distribution to help students plan their studies properly.
Bihar Board Class 12 Accountancy Syllabus
This table shows the distribution of marks across seven units, with major weightage given to Dissolution and Reconstitution of Partnership:
| Chapter No. | Chapter Name | Marks |
|---|---|---|
| 1 | Accounting for Partnership | 05 |
| 2 | Accounting for Not-for-Profit Organizations | 10 |
| 3 | Dissolution of Partnership | 25 |
| 4 | Reconstitution of Partnership | 20 |
| 5 | Accounting for Shares and Debenture Capital | 12 |
| 6 | Analysis of Financial Statements | 08 |
| 7 | Statement of Changes in Financial Position | 20 |
| Total | - | 100 |
Bihar Board Class 12 Economics Syllabus
The table shows the unit-wise marks for macroeconomics and Indian economic development, along with project work weightage:
| Part | Unit/Chapter | Marks (Theory) |
|---|---|---|
| Part A – Introductory Macroeconomics | 1. National Income & Related Aggregates | 10 |
| 2. Money and Banking | 6 | |
| 3. Determination of Income & Employment | 12 | |
| 4. Government Budget & the Economy | 6 | |
| 5. Balance of Payments (Open Economy Macroeconomics) | 6 | |
| Part B – Indian Economic Development | 6. Development Experience (1947–1990) & Economic Reforms since 1991 | 12 |
| 7. Current Challenges Facing the Indian Economy | 20 | |
| 8. Development Experience of India, Comparison with Neighbors | 8 | |
| Part C – Project Work (Internal Assessment) | — | 20 |
| Total | Theory + Project Work | 100 |
Bihar Board Class 12 Business Studies Syllabus
This table outlines the marks split across management, finance, marketing, and project work for the class 12 board exam:
| Part | Chapter/Unit | Marks |
|---|---|---|
| Part A – Principles and Functions of Management | Nature and Significance of Management | 16 |
| Principles of Management | — | |
| Business Environment | — | |
| Planning | 14 | |
| Organizing | — | |
| Staffing | 20 | |
| Directing | — | |
| Controlling | — | |
| Total (Part A) | 50 | |
| Part B – Business Finance and Marketing | Financial Management | 15 |
| Financial Markets | — | |
| Marketing Management | 15 | |
| Consumer Protection | — | |
| Total (Part B) | 30 | |
| Part C – Project Work | One Project (Internal Assessment) | 20 |
| Grand Total | Theory (Part A + B) + Project Work | 100 |
Bihar Board Class 12 Syllabus 2025-26: Art Streams
The art syllabus comprises basic disciplines, including history, political science, geography, sociology, and psychology, as well as English as a required subject and optional language selections.
The table below gives a full description of chapters and unit-wise mark distribution, allowing students to efficiently plan their preparation.
Bihar Board Class 12 Sociology Syllabus
The table presents the division of marks for the class 12 exam between Indian Society and Social Change, each carrying equal weight:
| Units | Topics | Marks |
|---|---|---|
| A – Indian Society | 1. Introducing Indian Society (Non-evaluative)2. Demographic Structure3. Social Institutions4. Patterns of Social Inequality & Exclusion5. Challenges of Cultural Diversity6. Project Work Suggestions (Non-evaluative) | 40 |
| B – Social Change & Development in Indian Society | 7. Structural Change8. Cultural Change9. Change & Development in Rural Society10. Change & Development in Industrial Society11. Social Movements | 40 |
| Total | Part A + Part B | 80 |
Bihar Board Class 12 Geography Syllabus
This table provides unit-specific information, including map work and mark distribution:
| Units | Topics | Marks |
|---|---|---|
| Part A – Fundamentals of Human Geography | 1. Human Geography2. People3. Human Activities4. Human Settlements | 35 |
| Map Work | - | 05 |
| Part B – India: People and Economy | 6. People7. Human Settlements8. Resources & Development9. Transport, Communication & International Trade10. Geographical Perspective on Selected Issues | 35 |
| Map Work | - | 05 |
| Total | Part A+B+Map | 80 |
Bihar Board Class 12 History Syllabus
The table highlights the themes of Indian history from ancient to modern periods, with mark distribution and map work:
| Units | Topics | Marks |
|---|---|---|
| Themes in Indian History Part I (Units 1-4) | 1. Harappan Archaeology2. Political & Economic History: Inscriptions3. Social Histories: Mahabharata4. History of Buddhism: Sanchi Stupa | 24 |
| Themes in Indian History Part II (Units 5-9) | 5. Medieval Society through Travellers’ Accounts6. Bhakti-Sufi Tradition7. New Architecture: Hampi8. Agrarian Relations: Ain-i-Akbari9. Mughal Court & Chronicles | 25 |
| Themes in Indian History Part III (Units 10-15) | 10. Colonialism & Rural Society11. Representations of 185712. Colonialism & Indian Towns13. Mahatma Gandhi through Contemporary Eyes14. Partition through Oral Sources15. Making of the Constitution | 25 |
| Map Work | - | 06 |
| Total | - | 80 |
Bihar Board Class 12 2025-26 Marking Scheme
The Bihar Board Class 12 Marking Scheme 2025-26 specifies the minimum passing requirements for the Science, Commerce, and Arts streams as well as the subject-wise mark distribution in the below table.
Bihar Board Class 12 Marking Scheme – Science
The table shows the subject-wise full marks, theory marks, and minimum passing marks for all science stream subjects:
| Subjects | Full Marks | Theory | Pass Marks |
|---|---|---|---|
| English / Hindi | 100 | 70 | 30 |
| Mathematics | 100 | 100 | 30 |
| Physics | 100 | 70 | 33 |
| Chemistry | 100 | 70 | 33 |
| Biology | 100 | 70 | 33 |
| Optional Subjects | 50 | 50 | 15 |
Bihar Board Class 12 Marking Scheme – Commerce
This table provides the marks distribution and pass marks for core and optional subjects in the commerce stream:
| Subjects | Full Marks | Theory | Pass Marks |
|---|---|---|---|
| Entrepreneurship | 100 | 70 | 33 |
| English / Hindi | 100 | 100 | 30 |
| Accountancy | 100 | 100 | 30 |
| Business Studies | 100 | 100 | 30 |
| Economics | 100 | 100 | 30 |
| Optional Subjects | 50 | 50 | 15 |
Bihar Board Class 12 Marking Scheme – Arts
The table outlines the subject-wise mark allocation and minimum passing marks for arts stream students:
| Subjects | Full Marks | Theory | Pass Marks |
|---|---|---|---|
| English / Hindi | 100 | 100 | 30 |
| History | 100 | 100 | 30 |
| Political Science | 100 | 100 | 30 |
| Psychology | 100 | 70 | 33 |
| Geography | 100 | 70 | 33 |
| Optional Subjects | 50 | 50 | 15 |
Bihar Board Class 12 Books
The Bihar Board Class 12 Books list provides the best reference guides and NCERT textbooks for science and commerce students, helping them cover the syllabus thoroughly. The book's name is given below:
| Subjects | Books |
|---|---|
| Mathematics | -Mathematics Book by Dr. M.M. Rahman-Mathematics NCERT Book Class 12 |
| Biology | -Biology SBPD – Rajeev Bansal-Objective Biology – Brilliant |
| Physics | -Physics Bihar Board Class 12 – Brilliant Objective-Objective Physics – Target-Physics NCERT Book Class 12 |
| Chemistry | -Chemistry Bihar Board Class 12 – Brilliant Objective- Objective Chemistry – Target-Chemistry NCERT Book Class 12 |
| Accountancy | -Bihar Board Class 12 Commerce Combo – Rajeev Bansal-Accountancy Book by S.K. Singh |
| Business Studies | -Business Studies Book by R.K. Singla-Class 12 Business Studies by Rajeev Bansal |
Bihar Board Class 12 Preparation Tips
This table below provides a well-organized schedule that includes subject-specific focus, revision techniques, and well-balanced breaks to assist students in successfully preparing for exams:
| Study Tip | Details/Implementation |
|---|---|
| Allocate 8 to 10 Hours Daily | Dedicate full focus on all subjects with proper time distribution. |
| Focus on Core Subjects | Physics, Chemistry, Mathematics, Accounting, Economics, or History → 2 to 3 hours each. |
| English Practice | Spend 1 to 1.5 hours daily on reading, writing, and literature. |
| Work on Weak Areas | Give 30 to 45 minutes daily to subjects you find difficult. |
| Daily Review | Revise key definitions, formulas, and diagrams before sleeping. |
| Mock Tests & PYQs | Regularly solve past year question papers and practice tests. |
| Take Breaks | Take short breaks between study sessions to maintain focus and energy. |
Bihar Board Class 12 Previous Year Question Paper
Students who practice PYQs are better able to manage their time, recognise key subjects, and feel more confident going into the exam.
Students preparing for the board exams might benefit greatly from the Bihar Board Class 12 Previous Year Question Papers.
| Bihar Board 12 Year-Wise Question Paper Download | ||
|---|---|---|
| Bihar Board Class 12 2023 Question Paper | Bihar Board Class 12 2022 Question Paper | Bihar Board Class 12 2021 Question Paper |
FAQs
Ques. What is the syllabus of English in Bihar Board Class 12?
Ans. The syllabus of English in Bihar Board Class 12 is as follows:
| Section | Topics/Skills | Marks |
|---|---|---|
| Reading Comprehension | Understanding, decoding, analyzing, inferring, interpreting, summarizing, vocabulary, and literary conventions | 20 |
| Creative Writing Skills | Application of rules, analysis, reasoning, style & tone, format, fluency, inference, evaluation, creativity | 16 |
| Literature (Textbooks & Supplementary) | Recall, reasoning, literary appreciation, inference, analysis, creativity, fluency | 44 |
Ques. What are the subjects in Bihar Board 12?
Ans. The Class 12 students of the Bihar Board study several subjects according to their stream:
- Science: Computer science, biology, chemistry, physics, English, and optional languages.
- Accounting, business studies, economics, entrepreneurship, English, and optional subjects are all included in commerce.
- Arts: English, Sociology, Psychology, Geography, Political Science, History, and Optional Subjects.
Ques. Which English book is used in Bihar Board Class 12?
Ans. The NCERT English textbooks Flamingo (poems and prose) and Vistas (supplemental reading) are studied by Bihar Board Class 12 students.
- These books enhance literary, writing, and understanding abilities.
- For further practice and test preparation, several schools now offer Bihar Board-recommended English manuals.
Ques. Has the Class 12 2025-26 syllabus been released?
Ans. Yes, the Bihar Board Class 12 syllabus for 2025-26 has been officially released on the BSEB website, covering science, commerce, and arts streams along with subject-wise marking schemes and exam patterns.
Ques. Will NCERT books change in 2025/26 for Class 12?
Ans. The Bihar Board may make minor revisions to the syllabus; however, as of right now, the NCERT texts for Class 12 are unchanged. For the most recent announcements, students should constantly visit the official BSEB website frequently.
Ques. How to score 95 in Class 12?
Ans. To score good marks in the examination, some tips need to be taken:
- Examine the NCERT textbooks and the Bihar Board syllabus in detail.
- Solve sample papers and previous years’ papers on a regular basis.
- Take brief notes so you can quickly review them.
- When taking tests, practice time management.
- Give weak subjects more attention, and make sure to review formulas, important points, and diagrams every day.
*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.
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