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Bihar Board Syllabus​ - Download Bihar Board Class 12 Syllabus PDF 

The Bihar School Examination Board (BSEB) will release the Class 12 syllabus, available for Science, Commerce, and Arts streams on its website. The comprehensive PDF includes stream-wise topics, chapter-wise breakdowns, and marking schemes, with a balanced pattern featuring 50% objective and 50% subjective questions.

Students can easily access and download all subject-wise PDFs—such as Physics, Chemistry, Maths, English, and Accountancy—to plan their study effectively . Aligned with NCERT frameworks, it ensures a smooth transition to higher education and competitive exam readiness.

 Bihar board 12th syllabus 202​5

(Source: https://biharboardonline.com/)

Subject-Wise Class 12th BSEB Syllabus

On this page, we have provided the detailed BSEB class 12th syllabus for all subjects in Science, Arts and Commerce stream. To know more about the syllabus for other subjects, students can visit the official website: 

BSEB 12th Physics Syllabus

Units

Important Topics and NCERT Solutions

Electrostatics

Electric Charges, Conservation of charge, Coulomb’s law-force between two point charges, forces between multiple charges, the electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field, etc. 

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. Wheatstone bridge, metre bridge, etc. 

Magnetic effect of Current and Magnetism

Torque on a magnetic dipole (bar magnet) in a uniform magnetic field; bar magnet as an equivalent solenoid, Force on a moving charge in a uniform magnetic and electric fields, Earth’s magnetic field and magnetic elements, etc. 

Electromagnetic Induction & Alternating Current

Electromagnetic induction; Faraday’s law, induced emf and current; Lenz’s Law, peak and RMS value of alternating current/voltage; reactance and impedance, etc. 

Electromagnetic Waves

Electromagnetic waves, their characteristics, their transverse nature, Electromagnetic spectrum, including elementary facts about their uses, etc. 

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, etc. 

Dual Nature of Matter

Matter waves-wave nature of particles, de Broglie relation, Photoelectric effect, Hertz and Lenard’s observations; Einstein’s photoelectric equation-particle nature of light, Davisson-Germer experiment, etc. 

Atoms and Nuclei

Bohr model, energy levels, hydrogen spectrum, Composition and size of nucleus, Alpha-particle scattering experiment; Rutherford’s model of atom; atomic masses, isotopes, radioactive decay law, etc. 

Electronic Devices

transistor as a switch, I-V characteristics of the transistor, transistor as an amplifier (common emitter configuration), the basic idea of analogue and digital signals, etc. 

Communication Systems

Propagation of electromagnetic waves in the atmosphere, amplitude modulation.

Production and detection of an amplitude-modulated wave, etc.

BSEB 12th Chemistry Syllabus 

Units

Important Topics and NCERT Solutions

Unit 1: Solid State

Electrical and magnetic properties, Packing efficiency, voids, number of atoms per unit cell in a cubic unit cell, point defects, etc. 

Unit 2: Solutions

Osmotic pressure, determination of molecular masses using colligative properties, Elevation of boiling point, depression of freezing point, abnormal molecular mass, etc.

Unit 3: Electrochemistry

Kohlrausch’s Law, lead accumulator, Conductance in electrolytic solutions, specific, variations of conductivity with concentration, etc.  

Unit 4: Chemical Kinetics

Integrated rate equations and half-life, the concept of collision theory (elementary idea, no mathematical treatment), etc.

Unit 5: Surface Chemistry

Brownian movement, electrophoresis, Lyophobic multimolecular and macromolecular colloids; properties of colloids; Tyndall effect, coagulation, emulsion-types of emulsions, etc.

Unit 6: General Principles and Processes of Isolation of Elements

Occurrence and principles of extraction of aluminium, copper, zinc and iron, Principles and methods of extraction – concentration, oxidation, reduction – electrolytic method and refining; etc

Unit 7: p-block Elements

Halides PCl3, Ozone, Sulphur-allotropic forms; Phosphorus – allotropic forms, Preparation properties and uses of sulphur-dioxide, etc.

Unit 8: d and f-block Elements

Magnetic properties, interstitial compounds, Metallic character, ionization enthalpy, preparation and properties of K2Cr2O7 and KMnO4, etc.

Unit 9: Coordination Compounds

IUPAC nomenclature of mononuclear coordination compounds. Bonding, Introduction, ligands, coordination number, Werner’s theory, VBT, and CFT; structure and stereoisomerism, etc.

Unit 10: Haloalkanes and Haloarenes

Nomenclature, nature of C-X bond, physical and chemical properties, substitution reactions, etc.

Unit 11: Alcohols, Phenols and Ethers

Mechanism of dehydration, physical and chemical properties, uses, uses with special reference to methanol and ethanol, etc.

Unit 12: Aldehydes, Ketones, and Carboxylic Acids

Nomenclature, nature of carbonyl group, methods of preparation, physical, uses, methods of preparation, etc.

Unit 13: Amines (Organic Compounds and containing Nitrogen)

Classification, structure, methods of preparation, secondary and tertiary amines, etc.

Unit 14: Biomolecules

Monosaccharides (glucose and fructose), polysaccharides (starch, cellulose, glycogen) importance, etc.

Unit 15: Polymers

Biodegradable and non-biodegradable polymers, etc, Some important polymers: natural and bakelite, rubber, etc.

Unit 16: Chemistry in Everyday Life

Tranquillizers antiseptics, disinfectants, antacids, antihistamines, artificial sweetening agents, etc

BSEB 12th Mathematics Syllabus

Unit

Topics and NCERT Solution

Unit 1: Relations and Functions

  • Types of relations: Equivalence, Symmetric, Transitive and Reflexive Relations

  • Functions: One to one and onto functions, the inverse of a function, and composite functions.

  • Binary operations

  • Inverse Trigonometric Functions And Graphs of inverse trigonometric functions: properties of inverse, range, domain, principal value branch.

Unit 2: Algebra

  • Matrices Properties of addition, scalar multiplication, and non-commutativity of multiplication of matrices
  • Existence of non-zero matrices

  • Concept of elementary row and column operations.

  • Invertible matrices and proof of the uniqueness of inverse

  • Determinants: Consistency and inconsistency
  • Solutions of systems of linear equations in two or three variables using the inverse of a matrix

Unit 3: Calculus

  • Continuity and Differentiability: Concept of logarithmic and exponential functions.
  • Lagrange’s and Rolle’s Mean Value Theorems

  • Applications of Derivatives
  • Integrals
  • Applications of the Integrals in finding areas under Straight lines, simple curves, circles/ellipse/parabolas.
  • Differential Equations: Introduction, order, and degree
  • Formation of a differential equation, solution of differential equations, Solutions of the linear differential equation of the form: dy/dx + py = q

Unit 4: Vectors and 3-D Geometry

  • Vectors: Vectors and scalars

  • Magnitude and direction of a vector, direction ratios of a vector, and direction cosines.

  • Types of vectors, components of a vector, position vector of a point dividing a line in an assigned ratio.

  • Geometrical Evaluation, properties, and application of scalar (dot) product of vectors, a scalar triple product of vectors, vector (cross) product of vectors

  • Direction ratios and direction cosines of a line connecting two points.
  • Cartesian equation and vector equation of a line and a plane.

  • Angle between line and two lines

  • Angle between a plane and two planes

Unit 5: Linear Programming

  • Definition, objective function, optimization, and constraints

  • Different types of linear programming problems.

  • Mathematical formulation of linear programming problems.

  • Graphical method of solution for linear equation problems in two variables, feasible and infeasible regions, feasible and infeasible solutions

Unit 6: Probability

  • Conditional probability and Multiplication theorem on probability, total probability

  • Independent events

  • Baye’s theorem

  • Random variable, Mean and variance of the random variable and its probability distribution

  • Binomial distribution

BSEB Class 12 Biology Syllabus

Unit

Important Topics

Unit 1: Sexual Reproduction

Pollination and fertilization in flowering plants

Development of seed and fruit

Human Reproduction, pregnancy and parturition

Unit 2: Genetics and Evolution

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

Unit 3: 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

Organisms and Populations

Ecosystem, and Environmental Issues

Bihar Board 12 Philosophy Syllabus 2025-26

 S No

Unit (Indian Philosophy, Western Philosophy and Applied Philosophy)

 1.

Nature and Schools of Indian Philosophy

 2.

Philosophy of the Bhagavad Gita

 3.

Buddhism, Jainism

 4.

Nyaya – Vaisesika and Samkhya – Yoga

 5.

Advaita Vedanta

 6.

Knowledge and truth

 7.

The Causal Principle

 8.

Nature of Reality

 9.

Realism and Idealism

 10.

Environmental Ethics and Professional Ethics

FAQs

Question: When can I download the BSEB time table?
Answer: Students can download the time table from the official website biharboardonline.gov.in. The detailed steps are also provided above on the page. 

Question: What is the minimum score required to pass BSEB board class 12?
Answer: The passing marks for BSEB board class 12th are 30% marks in theory part of each subject and 40% marks in practical part of each subject.

Question: What is the minimum score required to pass BSEB board class 10?
Answer: The passing marks for BSEB board class 10th are 30% marks in theory part of each subject and 40% marks in practical part of each subject.

Question: When will the BSEB board class 12th exam be conducted?
Answer: Bihar Board 12th exams 2025-26 will be conducted from 2 February to 13 February 2026. 
 

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