BSEB Class 12th Syllabus 2025: Subject-Wise syllabus for Inter exams

BSEB Class 12 Syllabus 2025: The Bihar School Examination Board releases the BSEB class 12 syllabus 2025 for Arts, Science, and Commerce streams online in the form of PDF. The Bihar Board Class 12 syllabus contains topics and sub-topics for each subject. Students appearing for the upcoming BSEB 12th exams can check and download the syllabus by visiting the official website - seniorsecondary.biharboardonline.com.

The BSEB class 12 syllabus plays an essential role for all the students who are preparing for the examination. They are advised to go through the syllabus and exam pattern to have a better understanding of how to prepare for the BSEB class 12 examination after reviewing both of these aspects.

BSEB Class 12th Syllabus 2025

While the BSEB 12th science syllabus has 5 subjects of which two are language subjects including Hindi and English, the other subjects in the stream are Chemistry, Physics and Biology. On the other hand, the Accounts stream has two language subjects and three other subjects including Accountancy, Business Studies and Economics. Lastly, the Arts subject has two languages subject and 4 other subjects including Philosophy, Geography, Political Science, and History. 

Needless to say, the BSEB class 12 syllabus plays an essential role for candidates who will be appearing for the BSEB class 12 exams. Apart from the syllabus, candidates should also check the BSEB class 10 exam pattern which is released by the board. All these two aspects can help the candidate to score their best in the examination. 

Bihar Board 12th Syllabus 2025 for all streams 

Bihar Secondary Education Board releases the BSEB 12th syllabus 2025 on its official website for all streams - Arts, Commerce, and Science. The syllabus is released in the form of a PDF format for all subjects including of all streams including History, Political Science, Philosophy, Accountancy, Economics, Business Studies, Physics, Chemistry, Biology, Mathematics, English, Hindi, and others. Bihar Board 12th Maths syllabus can be checked in this article below. Students will also get BSEB 12th Syllabus 2025 Science, Arts, and Commerce. 

BSEB 12th Syllabus 2025: Download Subject-wise PDFs

Students can download the subject-wise PDF for BSEB Inter Exams 2025 from the table provided below. 

Subject	Syllabus
Physics	Download
Chemistry	Download
Biology	Download
Computer Science	Download
Accountancy	Download
Business Studies	Download
Mathematics	Download
English Core	Download
Hindi	Download
Economics	Download
History	Download
Political Science	Download
Geography	Download

BSEB Class 12 Arts Syllabus

Candidates who have opted for Arts stream in their BSEB class 12th can take a look at the following BSEB class 12 Arts syllabus here. 

Bihar Board 12th History Syllabus 

• Indian History - Part I 
• Indian History - Part II 
• Indian History - Part III 

NOTE: Candidates must note that these topics are further divided into sub-topics which are usually referred to the chapters.

Bihar Board 12th Geography Syllabus 

• Geographical Perspective on Selected Issues and Problem
• Transport, Communication and Trade
• Human Geography
• Resources and Development
• People
• Human Settlements
• Human Activities
• Map Work

Bihar Board 12th Political Science Syllabus 

• Contemporary South Asia
• The End of Bipolarity
• International Organizations
• Globalization
• Cold War Era
• Alternative Centres of Power
• US Hegemony in World Politics

Bihar Board 12th Philosophy Syllabus 

• Knowledge and truth
• Environmental Ethics and Professional Ethics
• The Causal Principle
• Nature and Schools of Indian Philosophy
• Realism and Idealism
• Philosophy of the Bhagavad Gita
• Nyaya – Vaisesika and Samkhya – Yoga
• Nature of Reality
• Buddhism, Jainism
• Advaita Vedanta

BSEB Class 12 Commerce Syllabus

Candidates can take a look at the following syllabus prescribed by the Bihar board for BSEB class 12 commerce stream. 

Bihar Board 12th Business Studies Syllabus 

• Planning
• Business Finance
• Consumer Protection
• Entrepreneurship Development
• Organizing
• Nature and Sight of Management
• Business Environment
• Financial Market
• Principles of Management
• Controlling
• Marketing
• Staffing
• Directing

Bihar Board 12th Economics Syllabus 

Part A: Micro Economics

• Elasticity of Demand
• Analysis of Supply
• Introduction to Micro Economics
• Types of Market & Price Determination under perfect competition
• Factors of Production
• Consumers behaviour

Part B: Macro Economics 

• Determinants of Aggregates
• Money
• Introduction to Macro Economics
• National Income
• Central Bank
• Public Economics
• Commercial Bank

Bihar Board 12th Accountancy Syllabus 

• Introduction to Partnership
• Accounts of Not for Profit concerns
• Reconstitution of Partnership
• Single entry system
• Dissolution of Partnership Firm
• Partnership Final Accounts
• Analysis of financial statements
• Company Accounts Part-I Accounting for shares
• Bill of Exchange (Only Trade Bill)
• Company Accounts Part-II Accounting for Debentures

BSEB Class 12 Science Syllabus

Candidates can check out the following syllabus prescribed by the Bihar board for BSEB class 12 Science stream. 

Bihar Board 12th Chemistry Syllabus 

Unit I: Solid State

• Packing efficiency
• Electrical and magnetic properties
• Number of atoms per unit cell in a cubic unit cell
• Voids
• Points defects 

Unit II: Solutions

• Abnormal molecular mass
• Osmotic pressure
• Depression of freezing point
• Elevation of boiling point
• Molecular Masses determination by using colligative properties

Unit III: Electrochemistry

• Variations of conductivity with concentration
• Lead accumulator
• Kohlrausch’s Law
• Conductance in electrolytic solutions

Unit IV: Chemical Kinetics

• The concept of collision theory
• Integrated rate equations and half-life

Unit V: Surface Chemistry

• Brownian movement
• Electrophoresis 
• Lyophobic multimolecular and macromolecular colloids

Unit VI: General Principles and Processes of Isolation of Elements

• Principles and occurrence of extraction of aluminium
• Copper
• zinc and iron
• Principles and methods of extraction 

Unit VII: p-block Elements

• Halides PCl3 
• Ozone 
• Sulphur-allotropic forms

Unit VIII: d and f-block elements

• Magnetic properties
• Interstitial compounds
• Metallic character
• Ionization enthalpy 
• Preparation and properties of K2Cr2O7 and KMnO4

Unit IX: Coordination Compounds

• Bonding
• Introduction 
• Ligands 
• Coordination number
• Werner’s theory 
• VBT, and CFT

Unit X: Haloalkanes and Haloarenes

• Nomenclature 
• Nature of C-X bond 
• Substitution reactions
• Physical and chemical properties

Unit XI: Alcohols, Phenols, and Ethers

• Mechanism of dehydration
• Uses with reference to methanol and ethanol
• Physical and chemical properties

Unit XII: Aldehydes, Ketones, and Carboxylic Acids

• Nomenclature
• Nature of carbonyl group
• Methods of preparation
• Physical
• Methods of preparation

Unit XIII: Organic Compounds Containing Nitrogen

• Methods of preparation
• Secondary and tertiary amines
• Classification, structure

Unit XIV: Biomolecules

• Polysaccharides
• Monosaccharides 

Unit XV: Polymers

• Some important polymers
• Biodegradable and non-biodegradable polymers

Unit XVI: Chemistry in Everyday Life

• Antihistamines
• Tranquillizers antiseptics
• Artificial sweetening agents
• Antacids
• Disinfectants

BSEB Class 12 Physics Syllabus 2025

Electrostatics

• Electric Charges 
• Conservation of charge
• Coulomb’s law force between two-point charges 
• Forces between multiple charges

Current Electricity

• Ohm’s law, electrical resistance
• V-I characteristics (linear and nonlinear)
• Electrical energy and power
• Electrical resistivity and conductivity
• Kirchhoff’s laws and simple applications

Magnetic Effect of Current and Magnetism

Electromagnetic Induction and Alternating Current

• Electromagnetic induction

Electromotive Waves

• Electromagnetic waves
• Electromagnetic waves characteristics
• Electromagnetic waves transverse nature
• Electromagnetic spectrum 
• Including elementary facts about their uses

Optics

• Refraction of light
• Total internal reflection and its Applications
• Lensmaker’s formula. 
• Magnification, power of a lens
• Reflection of light
• spherical mirrors
• Mirror formula
• A combination of thin lenses in contact

Dual Nature of Matter

• Matter waves-wave nature of particles
• De Broglie relation
• Photoelectric effect
• Hertz and Lenard’s observations

Atoms and Nuclei

• Bohr model, energy levels, 
• Hydrogen spectrum, 
• Composition and size of nucleus, 
• Alpha-particle scattering experiment

Electronic Devices

• Transistor as a switch
• I-V characteristics of the transistor 
• Transistor as an amplifier (common emitter configuration) 
• In-depth knowledge of digital and analogue signals, etc.

Communication Systems

• Electromagnetic wave propagation in amplitude modulation as well as in the atmosphere.

BSEB 12th Biology Syllabus 2025

Unit I: Sexual Reproduction

• Pollination and fertilization in flowering plants
• Human Reproduction, pregnancy and parturition
• Development of seed and fruit

Unit II: Genetics and Evolution

• Chromosome theory of inheritance
• Deviations from the Mendelism ratio
• Sex determination in human beings: XX, XY, 
• Linkage and crossing over

Unit III: Biology & human welfare

• Microbes in household food processing
• Industrial production, sewage treatment and energy generation
• Cancer and AIDS

Unit 4: Biotechnology and its Applications

• Recombinant DNA technology
• Applications in Health, Biosafety issues

Unit 5: Ecology and Environment

• Ecosystem, and Environmental Issues
• Organisms and Populations