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Bihar Board Exam Syllabus 2027

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Bihar Board Exam Syllabus

Bihar Board Syllabus 2027: Download Subject-wise PDFs

The Bihar School Examination Board (BSEB) has released the official 2026-27 syllabus. The syllabus is available at biharboardonline.bihar.gov.in.

Subject-wise PDFs for Class 10 (Matric) and Class 12 (Intermediate) can be downloaded from the table below.

Class Subject Download Link
Class 10 All Subjects biharboardonline.bihar.gov.in
Class 12 All Subjects biharboardonline.bihar.gov.in

Bihar Board 2027 Syllabus: Overview

The Bihar Board 2027 syllabus covers Class 10 and Class 12 examinations. The exams are expected in February 2027.

The syllabus is NCERT-based. NCERT textbooks are the primary source for all subjects.

  • Class 12 Science stream core subjects: Physics, Chemistry, Mathematics, and Biology.
  • Compulsory subjects in Class 12: Hindi and English.
  • Class 12 theory papers carry 80 marks.
  • Practical exams carry 20 marks for science subjects.
  • Each theory paper has 50% objective (MCQ) and 50% subjective questions.
  • In Class 12 Mathematics, Calculus carries the highest internal weightage.

Bihar Board 2027 Important Dates

The Bihar Board 2027 examinations are expected in February 2027. The official date sheet will be released by BSEB on its portal.

Event Expected Date
Class 10 and Class 12 Exams February 2027

Bihar Board Class 12 Physics Syllabus 2027

Physics is a core subject in the Class 12 Science stream. The theory paper carries 80 marks and practicals carry 20 marks.

The syllabus is divided into units. Each unit has a specific weightage in the final exam.

Physics Chapter-wise Weightage

Unit Weightage
Electrostatics As per BSEB syllabus
Current Electricity As per BSEB syllabus
Magnetic Effects of Current and Magnetism As per BSEB syllabus
Electromagnetic Induction and Alternating Currents As per BSEB syllabus
Electromagnetic Waves As per BSEB syllabus
Optics As per BSEB syllabus
Dual Nature of Matter and Radiation As per BSEB syllabus
Atoms and Nuclei As per BSEB syllabus
Electronic Devices As per BSEB syllabus

Bihar Board Class 12 Chemistry Syllabus 2027

Chemistry is a core subject in the Class 12 Science stream. The theory paper carries 80 marks and practicals carry 20 marks.

The syllabus follows the NCERT textbook. Questions are directly based on NCERT topics.

Chemistry Chapter-wise Weightage

Unit Weightage
Solid State As per BSEB syllabus
Solutions As per BSEB syllabus
Electrochemistry As per BSEB syllabus
Chemical Kinetics As per BSEB syllabus
Surface Chemistry As per BSEB syllabus
General Principles and Processes of Isolation of Elements As per BSEB syllabus
p-Block Elements As per BSEB syllabus
d and f Block Elements As per BSEB syllabus
Coordination Compounds As per BSEB syllabus
Haloalkanes and Haloarenes As per BSEB syllabus
Alcohols, Phenols and Ethers As per BSEB syllabus
Aldehydes, Ketones and Carboxylic Acids As per BSEB syllabus
Amines As per BSEB syllabus
Biomolecules As per BSEB syllabus
Polymers As per BSEB syllabus
Chemistry in Everyday Life As per BSEB syllabus

Bihar Board Class 12 Mathematics Syllabus 2027

Mathematics is a core subject in the Class 12 Science stream. The theory paper carries 80 marks.

Calculus carries the highest internal weightage among all units in Mathematics.

Mathematics Unit-wise Weightage

Unit Weightage
Relations and Functions As per BSEB syllabus
Algebra As per BSEB syllabus
Calculus Highest weightage
Vectors and Three-Dimensional Geometry As per BSEB syllabus
Linear Programming As per BSEB syllabus
Probability As per BSEB syllabus

Bihar Board Class 12 Biology Syllabus 2027

Biology is a core subject in the Class 12 Science stream. The theory paper carries 80 marks and practicals carry 20 marks.

The syllabus is divided into units with specific weightage.

Biology Unit-wise Weightage

Unit Weightage
Reproduction As per BSEB syllabus
Genetics and Evolution As per BSEB syllabus
Biology and Human Welfare As per BSEB syllabus
Biotechnology and its Applications As per BSEB syllabus
Ecology and Environment As per BSEB syllabus

Bihar Board Class 10 Mathematics Syllabus 2027

Class 10 Mathematics is a compulsory subject. The syllabus is NCERT-based.

The theory paper follows the same pattern with objective and subjective questions.

Bihar Board 2027 Syllabus: Overview

The Bihar School Examination Board (BSEB) prescribes the syllabus for Class 10 and Class 12 annual exams. The curriculum is based on NCERT guidelines with state-specific additions where applicable. The 2026-27 syllabus is stable and continues from the previous academic session without major revisions.

Unit Topics
Number Systems Real Numbers
Algebra Polynomials, Pair of Linear Equations, Quadratic Equations, Arithmetic Progressions
Coordinate Geometry Lines, Triangles, Circles
Geometry Triangles, Circles, Constructions
Trigonometry Introduction, Identities, Heights and Distances
Mensuration Areas, Surface Areas and Volumes
Statistics and Probability Statistics, Probability
Parameter Details
Conducting Body Bihar School Examination Board (BSEB)
Exams Covered Bihar Board Class 10 (Matric) and Class 12 (Intermediate)
Academic Session 2026-27
Official Website biharboardonline.bihar.gov.in
Syllabus Basis NCERT curriculum with BSEB-prescribed modifications
Class 12 Streams Science, Arts, Commerce
Exam Mode Offline (pen and paper)
Paper Pattern 50% Objective (MCQ) + 50% Subjective questions
Exam Duration 3 hours 15 minutes per paper
Class 12 Science (Theory + Practical) 80 marks theory + 20 marks practical per science subject
Class 12 Mathematics 100 marks (no practical component)
Class 10 Pattern 80 marks theory + 20 marks internal assessment per subject
Total Marks (Class 12 Science) 500 marks across 5 subjects

Bihar Board 2027 Important Dates

Bihar Board 2027 events follow BSEB’s established annual schedule. All dates listed below are upcoming as of today (July 30, 2026) and are based on BSEB’s historical calendar. BSEB will confirm exact dates on its official website.

Event Expected Date Status
Online Registration / Form Fill-up August – September 2026 Expected (Upcoming)
Dummy Admit Card / Registration Slip October – November 2026 Expected (Upcoming)
Practical Exams (Class 12) January 2027 Expected (Upcoming)
Admit Card Release January 2027 Expected (Upcoming)
Bihar Board Class 10 Theory Exam February 2027 (1st–2nd week) Expected (Upcoming)
Bihar Board Class 12 Theory Exam February 2027 (1st–2nd week) Expected (Upcoming)
Answer Key Release February – March 2027 Expected (Upcoming)
Class 12 Result April 2027 Expected (Upcoming)
Class 10 Result April – May 2027 Expected (Upcoming)

Bihar Board Syllabus PDFs

The official BSEB website provides the syllabus PDFs for each subject. Students can download the relevant PDF for their class and subject from biharboardonline.bihar.gov.in.

Class 12 Syllabus PDFs

Class Subject Bihar Board Syllabus PDF
Class 12 Physics Bihar Board Class 12 Physics Syllabus PDF
Class 12 Chemistry Bihar Board Class 12 Chemistry Syllabus PDF
Class 12 Mathematics Bihar Board Class 12 Mathematics Syllabus PDF
Class 12 Biology Bihar Board Class 12 Biology Syllabus PDF
Class 12 Hindi Bihar Board Class 12 Hindi Syllabus PDF
Class 12 English Bihar Board Class 12 English Syllabus PDF

Class 10 Syllabus PDFs

Class Subject Bihar Board Syllabus PDF
Class 10 Mathematics Bihar Board Class 10 Mathematics Syllabus PDF
Class 10 Science Bihar Board Class 10 Science Syllabus PDF
Class 10 Social Science Bihar Board Class 10 Social Science Syllabus PDF
Class 10 Hindi Bihar Board Class 10 Hindi Syllabus PDF
Class 10 English Bihar Board Class 10 English Syllabus PDF

Bihar Board Class 12 Physics Syllabus 2027

The Bihar Board Class 12 Physics syllabus covers 10 units from NCERT Physics Part I and Part II. Theory carries 80 marks; practicals carry 20 marks. Optics is the single highest-weightage unit — devote extra time to ray diagrams and wave optics numericals.

Unit-wise Syllabus

Unit Chapter Key Topics
Unit 1 Electrostatics Electric Charges, Coulomb's Law, Electric Field Lines, Electric Dipole, Gauss's Law, Electrostatic Potential and Capacitance, Dielectrics, Van de Graaff Generator.
Unit 2 Current Electricity Electric Current, Ohm's Law, Resistivity and Conductivity, Kirchhoff's Laws, Wheatstone Bridge, Metre Bridge, Potentiometer, EMF, Internal Resistance.
Unit 3 Magnetic Effects of Current and Magnetism Biot-Savart Law, Ampere's Circuital Law, Moving Coil Galvanometer, Cyclotron, Magnetic Dipole, Bar Magnet, Earth's Magnetism, Dia/Para/Ferromagnetic Materials, Hysteresis.
Unit 4 Electromagnetic Induction and Alternating Currents Faraday's Laws, Lenz's Law, Motional EMF, Self-Inductance, Mutual Inductance, AC Generator, Transformers, LC Oscillations, Resonance, Power in AC Circuits.
Unit 5 Electromagnetic Waves Displacement Current, Maxwell's Equations (qualitative), Electromagnetic Spectrum, Properties of EM Waves.
Unit 6 Optics Reflection at Spherical Surfaces, Mirror Formula, Refraction at Spherical Surfaces, Thin Lens Formula, Lensmaker's Equation, Refraction through a Prism, Dispersion, Optical Instruments (Microscope, Telescope), Huygens' Principle, Interference, Young's Double Slit Experiment, Diffraction, Polarisation, Brewster's Law.
Unit 7 Dual Nature of Matter and Radiation Photoelectric Effect, Einstein's Photoelectric Equation, Stopping Potential, Work Function, de Broglie Wavelength, Davisson-Germer Experiment.
Unit 8 Atoms and Nuclei Rutherford's Model, Bohr's Atomic Model, Energy Levels, Hydrogen Spectrum, Nuclear Composition, Radioactivity, Alpha/Beta/Gamma Decay, Half-Life, Nuclear Fission, Nuclear Fusion, Binding Energy.
Unit 9 Electronic Devices p-n Junction Diode, Half-Wave and Full-Wave Rectifiers, Zener Diode, LED, Photodiode, Solar Cell, Transistors (CE Configuration), Logic Gates (AND, OR, NOT, NAND, NOR), Integrated Circuits.
Unit 10 Communication Systems Elements of a Communication System, Bandwidth of Signals, Bandwidth of Transmission Media, Propagation of EM Waves, Modulation (AM, FM, PM), Demodulation, Satellite Communication, Internet, Mobile Telephony.

Chapter-wise Weightage

The table below shows the approximate marks for each unit out of the theory total of 80 marks.

Unit / Chapter Approx Marks (Theory: 80)
Optics (Unit 6) 14–16 marks
Electromagnetic Induction and AC (Unit 4) 10–12 marks
Electrostatics (Unit 1) 8–10 marks
Magnetic Effects of Current (Unit 3) 8–10 marks
Current Electricity (Unit 2) 7–8 marks
Electronic Devices (Unit 9) 7–8 marks
Atoms and Nuclei (Unit 8) 6–7 marks
Dual Nature of Radiation (Unit 7) 4–5 marks
Communication Systems (Unit 10) 3–4 marks
Electromagnetic Waves (Unit 5) 3 marks

Bihar Board Class 12 Chemistry Syllabus 2027

The Bihar Board Class 12 Chemistry syllabus covers Physical, Inorganic, and Organic Chemistry based on NCERT Class 12. Theory carries 80 marks and practicals carry 20 marks. Organic Chemistry chapters — especially Aldehydes, Ketones, and Carboxylic Acids — appear consistently in Bihar Board exams every year.

Bihar Board Class 12 Chemistry Syllabus: Chapter-wise Breakdown

The Bihar Board Class 12 Chemistry syllabus is divided into three main sections: Physical Chemistry, Inorganic Chemistry, and Organic Chemistry. Each section contains specific chapters with defined key topics that students must prepare for the board exam.

Physical Chemistry

Physical Chemistry covers four chapters. These chapters focus on the physical principles and calculations related to chemical systems.

Chapter Key Topics
Solutions Types of Solutions, Concentration Terms (Molarity, Molality, Mole Fraction), Vapour Pressure, Raoult's Law, Colligative Properties, Van't Hoff Factor, Abnormal Molar Masses.
Electrochemistry Electrolytic and Metallic Conduction, Kohlrausch's Law, Electrochemical Cells, EMF, Nernst Equation, Standard Electrode Potential, Fuel Cells, Corrosion.
Chemical Kinetics Rate of Reaction, Rate Laws, Order of Reaction, Integrated Rate Equations, Half-Life, Pseudo-First Order Reactions, Arrhenius Equation, Activation Energy, Catalysis.
Surface Chemistry Adsorption (Physisorption vs Chemisorption), Freundlich Adsorption Isotherm, Catalysis, Colloids, Tyndall Effect, Brownian Motion, Electrophoresis, Coagulation, Emulsions.

Inorganic Chemistry

Inorganic Chemistry contains four chapters. These chapters deal with the properties and reactions of elements and their compounds.

Chapter Key Topics
General Principles of Isolation of Elements Principles of Metallurgy, Concentration Methods, Reduction (Smelting, Electrolytic), Refining; Metallurgy of Aluminium, Iron, Copper, and Zinc.
p-Block Elements Group 15 (Nitrogen Family): Ammonia, Nitric Acid, Phosphorus allotropes; Group 16 (Oxygen Family): Sulphuric Acid, Ozone; Group 17 (Halogens): Hydrogen Halides, Interhalogen Compounds; Group 18 (Noble Gases): Properties and Uses.
d and f Block Elements General Properties of Transition Elements, Potassium Permanganate, Potassium Dichromate (preparation and uses), Lanthanoids and Actinoids (properties and trends).
Coordination Compounds Werner's Theory, IUPAC Nomenclature, Isomerism (Geometric, Optical), Valence Bond Theory, Crystal Field Theory, Stability of Complexes, Biological Importance.

Organic Chemistry

Organic Chemistry has five chapters. These chapters focus on the structure, properties, and reactions of carbon-based compounds.

Chapter Key Topics
Haloalkanes and Haloarenes Classification, Nomenclature, Nucleophilic Substitution (SN1, SN2), Optical Activity, Elimination Reactions, Polyhalogen Compounds, Uses.
Alcohols, Phenols and Ethers Classification, Preparation, Physical Properties, Chemical Reactions of Alcohols, Acidic Nature of Phenols, Reactions of Phenols, Williamson Synthesis of Ethers.
Aldehydes, Ketones and Carboxylic Acids Nucleophilic Addition Reactions, Aldol Condensation, Cannizzaro Reaction, Clemmensen Reduction, Acidic Strength of Carboxylic Acids, Fischer Esterification, Acyl Chlorides, Anhydrides.
Amines Classification, Preparation, Physical and Chemical Properties, Basic Character, Diazonium Salts, Coupling Reactions, Carbylamine Reaction.
Biomolecules, Polymers and Chemistry in Everyday Life Carbohydrates, Proteins, Enzymes, Nucleic Acids (DNA and RNA), Vitamins, Hormones; Addition and Condensation Polymers, Natural and Synthetic Rubber; Drugs, Antibiotics, Disinfectants, Antacids, Food Preservatives, Cleansing Agents.

Bihar Board Class 12 Chemistry Chapter-wise Weightage

The chapter-wise weightage for the Bihar Board Class 12 Chemistry exam is a separate breakdown. This weightage indicates the marks allocated to different chapters or sections of the syllabus.

Bihar Board Class 12 Chemistry Syllabus 2027

The Bihar Board Class 12 Chemistry theory paper carries 80 marks. The syllabus is divided into chapters with varying weightage.

p-Block Elements carries the highest weightage. It is followed by Aldehydes, Ketones and Carboxylic Acids.

Chapter-wise Weightage

Chapter Approx Marks (Theory: 80)
p-Block Elements 9–10 marks
Aldehydes, Ketones and Carboxylic Acids 7–8 marks
Coordination Compounds 6–7 marks
Electrochemistry 6–7 marks
Chemical Kinetics 5–6 marks
Solutions 5–6 marks
Amines 5–6 marks
d and f Block Elements 5 marks
Haloalkanes and Haloarenes 4–5 marks
Alcohols, Phenols and Ethers 4–5 marks
Biomolecules, Polymers, Everyday Chemistry 4–5 marks
Surface Chemistry 4 marks
Isolation of Elements 4 marks

Bihar Board Class 12 Mathematics Syllabus 2027

Bihar Board Class 12 Mathematics carries 100 marks with no practical component. Calculus is the biggest section with the highest internal weightage.

Students who master integration and differential equations secure a decisive edge. This unit alone accounts for the majority of the paper’s marks.

Unit-wise Syllabus

Unit Chapters Key Topics
Unit 1: Relations and Functions Relations and Functions; Inverse Trigonometric Functions Types of Relations (Reflexive, Symmetric, Transitive, Equivalence), Types of Functions (One-one, Onto, Bijective), Composition and Inverse of Functions; Range of Inverse Trigonometric Functions, Principal Value Branch, Properties of Inverse Trig Functions.
Unit 2: Algebra Matrices; Determinants Types of Matrices, Operations on Matrices, Transpose, Symmetric and Skew-Symmetric Matrices, Invertible Matrices; Properties of Determinants, Adjoint, Inverse of a Matrix, Solution of System of Equations using Cramer’s Rule and Matrix Method.
Unit 3: Calculus Continuity and Differentiability; Applications of Derivatives; Integrals; Applications of Integrals; Differential Equations Continuity of Functions, Chain Rule, Derivatives of Composite Functions, Rolle’s Theorem, Mean Value Theorem, Maxima and Minima, Rate of Change; Indefinite Integrals, Methods of Integration (Substitution, Partial Fractions, Integration by Parts), Definite Integrals, Area Under Curves; Order and Degree, Variable Separable Method, Homogeneous Differential Equations, Linear Differential Equations.
Unit 4: Vectors and 3D Geometry Vector Algebra; Three-Dimensional Geometry Magnitude and Direction of Vectors, Dot Product, Cross Product, Scalar Triple Product; Direction Cosines, Equations of Lines and Planes in 3D, Angle Between Lines and Planes, Distance Between a Point and a Plane.
Unit 5: Linear Programming Linear Programming Problems Feasible Region, Corner Point Method, Maximization and Minimization of Objective Function, Formulation of LPP from Word Problems.
Unit 6: Probability Probability Conditional Probability, Multiplication Theorem, Independent Events, Total Probability Theorem, Bayes’ Theorem, Random Variable, Probability Distribution, Mean and Variance of a Random Variable, Binomial Distribution.

Unit-wise Weightage

Unit Approx Marks (Total: 100)
Calculus (Unit 3) 44 marks
Vectors and 3D Geometry (Unit 4) 17 marks
Algebra — Matrices and Determinants (Unit 2) 13 marks
Relations and Functions (Unit 1) 10 marks
Probability (Unit 6) 10 marks
Linear Programming (Unit 5) 6 marks

Bihar Board Class 12 Biology Syllabus 2027

The Bihar Board Class 12 Biology syllabus follows NCERT Biology Class 12 across 5 major units. Theory carries 80 marks; practicals carry 20 marks.

Genetics and Evolution is the highest-weightage unit. Students must master Mendelian genetics, DNA replication, and the Operon Model thoroughly.

Bihar Board Class 12 Biology Syllabus 2027

The Bihar Board Class 12 Biology syllabus is divided into five units. The theory exam is for 80 marks.

The syllabus follows the NCERT Class 12 Biology textbook. Each unit covers specific chapters and key topics.

Unit-wise Syllabus Breakdown

Unit Chapters Key Topics
Unit 1: Reproduction Reproduction in Organisms; Sexual Reproduction in Flowering Plants; Human Reproduction; Reproductive Health Asexual Reproduction (Budding, Fragmentation, Sporulation), Sexual Reproduction Lifecycle; Flower Structure, Pollination Types, Fertilization, Embryo Development, Seed and Fruit Formation; Male and Female Reproductive Systems, Spermatogenesis, Oogenesis, Menstrual Cycle, Fertilization; Contraceptive Methods, STDs, Amniocentesis, MTP.
Unit 2: Genetics and Evolution Principles of Inheritance and Variation; Molecular Basis of Inheritance; Evolution Mendel’s Laws of Inheritance, Chromosomal Theory, Linkage and Crossing Over, Sex Determination, Mutations, Chromosomal Disorders; DNA Structure (Watson-Crick Model), DNA Replication, Transcription, Translation, Genetic Code, Gene Expression, Lac Operon, Human Genome Project; Origin of Life, Darwinism, Lamarckism, Natural Selection, Speciation, Adaptive Radiation, Hardy-Weinberg Equilibrium.
Unit 3: Biology and Human Welfare Human Health and Disease; Strategies for Enhancement in Food Production; Microbes in Human Welfare Common Diseases (Malaria, Typhoid, Pneumonia, Amoebiasis), Immunity (Innate and Acquired), AIDS, Cancer, Drugs and Alcohol Abuse; Animal Breeding, Plant Tissue Culture, Single Cell Protein; Biogas, Sewage Treatment, Antibiotics, Biocontrol Agents.
Unit 4: Biotechnology Biotechnology: Principles and Processes; Biotechnology and Its Applications Recombinant DNA Technology, Tools (Restriction Enzymes, Vectors, PCR), Gel Electrophoresis, Bioreactors; Applications in Healthcare (Insulin, Vaccines), Agriculture (Bt Cotton, Golden Rice), Transgenic Organisms, Ethical Issues (Biopiracy).
Unit 5: Ecology and Environment Organisms and Populations; Ecosystem; Biodiversity and Conservation; Environmental Issues Population Attributes, Population Interactions (Mutualism, Predation, Parasitism, Commensalism, Competition), Ecosystem Structure, Energy Flow, Food Chain and Web, Ecological Succession, Nutrient Cycling; Biodiversity Types, Hotspots, Conservation (In-situ and Ex-situ); Pollution (Air, Water, Soil, Noise), Climate Change, Ozone Depletion, Biomagnification.

Bihar Board Class 12 Biology Unit-wise Weightage

The weightage of each unit in the theory exam is given below. Genetics and Evolution carries the highest marks.

Unit Approx Marks (Theory: 80)
Genetics and Evolution (Unit 2) 18–20 marks
Reproduction (Unit 1) 14–16 marks
Biology and Human Welfare (Unit 3) 14 marks
Ecology and Environment (Unit 5) 14 marks
Biotechnology and Applications (Unit 4) 10–12 marks

Bihar Board Class 10 Mathematics Syllabus 2027

Bihar Board Class 10 Mathematics carries 100 marks: 80 marks for theory and 20 marks for internal assessment. The syllabus follows NCERT Class 10 Mathematics.

Algebra and Geometry combined account for the largest share of questions. You must not skip any chapter from these two units.

Unit-wise Syllabus Breakdown

Unit Chapters Key Topics
Unit 1: Number Systems Real Numbers Euclid’s Division Lemma and Algorithm, Fundamental Theorem of Arithmetic, Proofs of Irrationality of √2 and √3, Decimal Representation of Rational Numbers.
Unit 2: Algebra Polynomials; Pair of Linear Equations; Quadratic Equations; Arithmetic Progressions Zeros and Division Algorithm for Polynomials; Graphical and Algebraic Methods (Substitution, Elimination, Cross-Multiplication); Quadratic Formula, Nature of Roots, Factorization, Completing the Square; nth Term of an AP, Sum of n Terms of an AP.
Unit 3: Coordinate Geometry Coordinate Geometry Distance Formula, Section Formula (Internal Division), Midpoint Formula, Area of a Triangle Using Coordinates.
Unit 4: Geometry Triangles; Circles; Constructions Key topics for this unit are not listed in the source.

Bihar Board Class 10 Maths Syllabus 2027

Bihar Board Class 10 Maths covers seven units from the NCERT textbook. The units are Number Systems, Algebra, Coordinate Geometry, Geometry, Trigonometry, Mensuration, and Statistics and Probability.

Unit Chapters Key Topics
Unit 1: Number Systems Real Numbers

Euclid’s Division Lemma, Fundamental Theorem of Arithmetic, Irrational Numbers, Decimal Expansions of Rational Numbers.

Unit 2: Algebra Polynomials; Pair of Linear Equations in Two Variables; Quadratic Equations; Arithmetic Progressions

Zeros of a Polynomial, Relationship between Zeros and Coefficients, Division Algorithm; Graphical and Algebraic Methods of Solving Linear Equations, Cross-Multiplication Method; Quadratic Formula, Nature of Roots; nth Term and Sum of First n Terms of an AP.

Unit 3: Coordinate Geometry Coordinate Geometry

Distance Formula, Section Formula, Area of a Triangle using Coordinates.

Unit 4: Geometry Triangles; Circles; Constructions

Similar Triangles, Basic Proportionality Theorem, AAA/SSS/SAS Similarity, Pythagoras Theorem and Converse; Tangent to a Circle (Theorems), Angle in a Semicircle; Constructions — Division of a Line Segment, Tangent from External Point.

Unit 5: Trigonometry Introduction to Trigonometry; Applications of Trigonometry

Trigonometric Ratios (sin, cos, tan, cot, sec, cosec), Standard Angle Values, Trigonometric Identities, Complementary Angles; Height and Distance Problems using Angles of Elevation and Depression.

Unit 6: Mensuration Areas Related to Circles; Surface Areas and Volumes

Area of Sector and Segment of a Circle; Surface Areas and Volumes of Combinations of Solids (Cone + Cylinder, Hemisphere + Cylinder, etc.), Conversion of Solid from One Shape to Another.

Unit 7: Statistics and Probability Statistics; Probability

Mean, Median, Mode for Grouped Data, Cumulative Frequency Curve (Ogive); Classical Definition of Probability, Complementary Events, Simple Problems on Single Events.

Bihar Board Class 10 Science Syllabus 2027

Bihar Board Class 10 Science integrates Physics, Chemistry, and Biology chapters from NCERT Class 10 Science. Theory carries 80 marks and practicals carry 20 marks. Chemical Reactions, Life Processes, and Light are the most frequently tested chapters in Bihar Board Class 10 Science.

Section Chapter(s) Key Topics
Physics Light — Reflection and Refraction

Laws of Reflection, Spherical Mirrors, Mirror Formula, Magnification; Snell’s Law, Lens Formula, Power of Lens, Refraction through a Glass Slab, Total Internal Reflection.

Physics Human Eye and the Colourful World; Electricity; Magnetic Effects of Electric Current; Sources of Energy

Defects of Vision and Correction, Atmospheric Refraction, Dispersion; Ohm’s Law, Resistance, Resistors in Series and Parallel, Heating Effect of Current, Fuse; Magnetic Field, Oersted’s Experiment, Electromagnetic Induction, Fleming’s Left-Hand Rule, AC and DC; Fossil Fuels, Solar, Wind, Hydro, Tidal, Geothermal, Nuclear Energy.

Chemistry Chemical Reactions and Equations; Acids, Bases and Salts; Metals and Non-metals; Carbon and its Compounds; Periodic Classification of Elements

Types of Reactions (Combination, Decomposition, Displacement, Double Displacement, Redox), Balancing Equations; pH Scale, Indicators, Salts and their Uses; Reactivity Series, Extraction of Metals, Corrosion; Covalent Bonds, Homologous Series, Functional Groups, Ethanol, Ethanoic Acid, Soaps and Detergents; Mendeleev’s Table, Modern Periodic Law, Trends in Properties.

Biology Life Processes; Control and Coordination; How Do Organisms Reproduce; Heredity and Evolution

Nutrition (Autotrophic and Heterotrophic), Respiration (Aerobic and Anaerobic), Transportation (Blood, Lymph, Xylem, Phloem), Excretion (Kidneys, Dialysis); Nervous System, Reflex Arc, Hormones, Tropic Movements; Asexual Reproduction (Budding, Spore Formation, Vegetative Propagation), Sexual Reproduction in Plants and Animals; Mendel’s Experiments, Inheritance, Sex Determination, Evolution, Speciation.

Biology Our Environment; Sustainable Management of Natural Resources

Ecosystem Components, Food Chains, Food Webs, Trophic Levels, Energy Flow, Biodegradable and Non-biodegradable Wastes, Ozone Layer Depletion; Forest and Wildlife Conservation, Water Resources, Coal and Petroleum Conservation, 3Rs (Reduce, Reuse, Recycle).

Bihar Board Class 10 Social Science Syllabus 2027

Bihar Board Class 10 Social Science covers History, Geography, Political Science, and Economics from NCERT textbooks. Theory carries 80 marks and internal assessment carries 20 marks. Nationalism in India and Democratic Politics chapters carry heavy weightage — prepare these chapters with in-depth notes and maps.

Book / Subject Chapters Key Topics
History: India and the Contemporary World II Rise of Nationalism in Europe; Nationalism in India; Making of a Global World; Age of Industrialisation; Print Culture and the Modern World

The French Revolution and the Idea of the Nation, The Making of Nationalism in Europe, The Age of Revolutions: 1830-1848, The Making of Germany and Italy, Visualising the Nation, Nationalism and Imperialism; The First World War, Khilafat and Non-Cooperation, Differing Strands within the Movement, Towards Civil Disobedience, The Sense of Collective Belonging; The Pre-modern World, The Nineteenth Century (1815-1914), The Inter-war Economy, Rebuilding the World Economy; Industrialisation and the Rise of the Factory, Industrialisation in the Colonies, The Age of Industrialisation; The First Printed Books, Print Comes to Europe, The Print Revolution and its Impact, Print Culture and the Modern World.

Bihar Board 2027 Syllabus: History, Geography, Political Science, and Economics Topics

The Bihar Board Class 10 syllabus for Social Science covers four subjects. These are History, Geography, Political Science, and Economics. The topics for each subject are listed below.

History: India and the Contemporary World II

The History section covers major world events and the Indian freedom struggle. It also includes topics on trade and cultural exchange.

  • French Revolution
  • German and Italian Unification
  • Balkan Nationalism
  • Non-Cooperation Movement
  • Civil Disobedience Movement
  • Quit India
  • Salt March
  • Silk Routes
  • Trade and Cultural Exchange
  • Great Depression
  • Industrial Revolution in Britain
  • Spread of Industrial Revolution to Europe
  • Gutenberg Press
  • Vernacular Literature
  • Readership Growth

Geography: Contemporary India II

The Geography section covers India's resources, agriculture, and industries. It also includes transport and trade networks.

  • Resources and Development
  • Forest and Wildlife Resources
  • Water Resources
  • Agriculture
  • Minerals and Energy Resources
  • Manufacturing Industries
  • Lifelines of National Economy

The sub-topics include types and distribution of resources, land use change, and forest types. Conservation efforts like the Chipko Movement are also covered.

  • Multipurpose River Projects
  • Rainwater Harvesting
  • Cropping Seasons (Rabi, Kharif, Zaid)
  • Farming Types
  • Food Security
  • Types of Minerals and Distribution in India
  • Iron and Steel, Textile, Chemical, Automobile Industries
  • Transport Networks (Road, Rail, Air, Water)
  • Trade and International Airports

Political Science: Democratic Politics II

The Political Science section covers the workings of democracy in India. It includes power sharing, federalism, and political parties.

  • Power Sharing
  • Federalism
  • Democracy and Diversity
  • Gender, Religion and Caste
  • Popular Struggles and Movements
  • Political Parties
  • Outcomes of Democracy
  • Challenges to Democracy

The sub-topics include case studies of Belgium and Sri Lanka. It also covers forms of power sharing and decentralization in India.

  • Federal vs Unitary Government
  • Social Divisions and Democracy
  • Women’s Representation
  • Communalism and Casteism
  • Bolivia Water War
  • Nepal Democracy Movement
  • National, Regional, Local Parties
  • Democracy and Development

Economics: Understanding Economic Development

The Economics section covers development, sectors of the economy, and globalization. It also includes money, credit, and consumer rights.

  • Development
  • Sectors of the Indian Economy
  • Money and Credit
  • Globalisation and the Indian Economy
  • Consumer Rights

The sub-topics include national income, GDP, and HDI. It also covers development goals and the primary, secondary, and tertiary sectors.

  • Organized vs Unorganized Sector
  • Formal and Informal Credit
  • Self-Help Groups
  • Banks
  • MNCs and WTO
  • Effects of Globalisation on India
  • Consumer Protection Act (COPRA)
  • Consumer Rights and Responsibilities

Bihar Board 2027 Syllabus: Changes from Previous Year

The Bihar Board 2027 syllabus (academic session 2026-27) is stable compared to the 2026 cycle. BSEB has not announced major topic-level revisions for Class 10 or Class 12.

Check biharboardonline.bihar.gov.in regularly in case BSEB issues a mid-session notice about any specific topic change.

Class / Subject New Topics Added (2027) Topics Removed or Reduced (2027)
Class 12 Physics No confirmed additions No confirmed deletions
Class 12 Chemistry No confirmed additions No confirmed deletions
Class 12 Mathematics No confirmed additions No confirmed deletions
Class 12 Biology No confirmed additions No confirmed deletions
Class 10 (All subjects) No confirmed additions No confirmed deletions

BSEB last made notable reductions during the COVID-19 pandemic cycle. The full NCERT syllabus has been reinstated since 2023 and continues for the 2026-27 session.

Best Books for Bihar Board 2027

BSEB recommends NCERT textbooks as the primary source for all subjects. The reference books below provide additional practice and concept clarity.

Start with NCERT and move to reference books only after completing all NCERT exercises — this order is non-negotiable for Bihar Board preparation.

Recommended Books for Bihar Board Preparation

The table below lists the recommended books for Bihar Board Class 10 and Class 12 preparation. These books are chosen based on their alignment with the BSEB syllabus and their usefulness for board exam practice.

Subject Book Name Author / Publisher Why This Book
Physics (Class 12) NCERT Physics Part I and Part II NCERT Primary source; all theory questions follow NCERT framework directly
Physics (Class 12) Concepts of Physics (Vol 1 and 2) H.C. Verma Excellent for numerical practice and concept building beyond NCERT
Physics (Class 12) New Simplified Physics S.L. Arora Board-style solved questions; widely used across Bihar schools
Chemistry (Class 12) NCERT Chemistry Part I and Part II NCERT Covers all inorganic, physical, and organic chapters tested in the board exam
Chemistry (Class 12) A Textbook of Inorganic Chemistry O.P. Tandon Detailed treatment of p-Block, d-Block, and coordination compounds
Mathematics (Class 12) NCERT Mathematics (Part I and II) NCERT All exercises, examples, and miscellaneous problems directly relevant to Bihar Board
Mathematics (Class 12) Mathematics for Class 12 R.D. Sharma Extensive solved examples and graded practice problems for every unit
Biology (Class 12) NCERT Biology Class 12 NCERT Majority of Bihar Board Biology questions are word-for-word from NCERT text
Biology (Class 12) Trueman’s Elementary Biology (Vol 2) Trueman Publication Detailed diagrams, labelled illustrations, and explanations beyond NCERT
Mathematics (Class 10) Mathematics for Class 10 R.S. Aggarwal Wide variety of difficulty levels; covers full NCERT syllabus with extra practice
Science (Class 10) Science for Class 10 (Part 1 and 2) Lakhmir Singh and Manjit Kaur Chapter-wise board-pattern questions with detailed solutions
Social Science (Class 10) NCERT Social Science (all four books) NCERT The entire Social Science syllabus is drawn directly from NCERT textbooks

How to Download Bihar Board 2027 Syllabus PDF

Follow these steps to download the official Bihar Board syllabus PDF from the BSEB website.

  1. Visit the official BSEB website at biharboardonline.bihar.gov.in.
  2. Look for the "Syllabus" or "Model Papers" section in the main navigation or notifications area.
  3. Select your class — Class 10 (Matric) or Class 12 (Intermediate).
  4. Click on the subject-wise syllabus link. A PDF will open in a new browser tab.
  5. Press Ctrl + S (Windows) or Cmd + S (Mac) to save the PDF to your device.
  6. Alternatively, click the download icon in your PDF viewer to save the file locally.

Note: If the BSEB portal shows only the 2025-26 syllabus, the 2026-27 edition may not yet be separately published. In that case, the syllabus content is unchanged — use the 2025-26 PDF for preparation.

Bihar Board 2027 Preparation Tips

A structured plan helps you cover all subjects before the February 2027 exams. Begin preparation in August 2026 with at least one chapter per subject per week as the minimum target.

Physics Preparation Tips

  • Complete all NCERT examples and in-text exercises before picking up any reference book.
  • Optics carries 14–16 marks — master ray diagrams for both geometrical and wave optics.
  • Kirchhoff’s Laws, Wheatstone Bridge, and AC circuit numericals appear in almost every Bihar Board paper.
  • Electronic Devices and Communication Systems are definition-heavy — memorize all circuit diagrams.
  • Solve at least 5 years of Bihar Board previous year Physics papers in timed conditions before January 2027.

Chemistry Preparation Tips

  • Write out all NCERT organic reactions by hand — muscle memory improves recall under exam pressure.
  • Named reactions (Aldol Condensation, Cannizzaro, Sandmeyer) appear every year — maintain a separate list.
  • p-Block elements carry 9–10 marks; learn each group’s properties in a comparison table format.
  • Electrochemistry and Chemical Kinetics numericals are guaranteed — practise the Nernst Equation, rate laws, and half-life problems daily.
  • Physical Chemistry formulae must be memorized; write them on flashcards and revise weekly.

Mathematics Preparation Tips

  • Calculus carries 44 marks — this unit alone determines your class rank in Mathematics.
  • Integration by parts, definite integrals, and differential equations appear in every paper without exception.
  • Complete all NCERT exercises including the miscellaneous exercise at each chapter’s end.
  • Solve 5 years of Bihar Board Mathematics previous papers in 3-hour timed slots from October 2026 onward.
  • Probability and Linear Programming are scoring units — cover them fully during the revision phase.

Biology Preparation Tips

  • NCERT Biology is the primary source — most questions are taken directly from the textbook text.
  • Draw and label all diagrams repeatedly — diagrams carry significant marks in the board exam.
  • Genetics and Evolution chapters require extra attention — practise pedigree analysis and Punnett squares.
  • Revise the human physiology chapters (digestion, respiration, circulation, excretion) in weekly cycles.
  • Use Trueman’s Biology for detailed explanations and additional labelled illustrations beyond NCERT.

Bihar Board Class 12 Biology Preparation Tips

Draw and label every NCERT diagram at least twice. Diagrams carry 4–6 marks in Bihar Board Biology.

  • Genetics and Evolution (18–20 marks) demands thorough understanding of Mendel’s experiments and DNA replication. Do not just memorise definitions.
  • Biotechnology requires process understanding. Use flowcharts and schematic diagrams instead of rote learning.
  • Ecology and Environment has high descriptive question frequency. Practice 4–6 mark answers from NCERT.
  • Use the last 4 weeks before the exam to revise only Bihar Board previous year questions for Biology.

Bihar Board Class 10 Preparation Tips

For Mathematics, complete every NCERT exercise. Bihar Board Class 10 questions closely mirror NCERT patterns.

  • For Science, balance all three sections — Physics, Chemistry, Biology — equally throughout your preparation schedule.
  • Social Science maps are critical for Geography. Practice marking rivers, soil types, industries, and crops weekly.
  • Attempt at least 3 full Bihar Board Class 10 previous year papers in the final 3 months before the exam.
  • For History, focus on key events, personalities, and movements. Short-answer and long-answer questions are predictable.

Bihar Board Syllabus 2027 FAQs

Is the Bihar Board 2027 syllabus the same as the 2026 syllabus?

Yes, the Bihar Board 2027 syllabus is largely the same as the 2026 syllabus. BSEB follows the NCERT curriculum and has not announced topic-level changes for the 2026-27 session.

The full NCERT syllabus — reinstated after COVID-19 reductions — continues for all subjects in both Class 10 and Class 12.

Which subject has the highest weightage in Bihar Board Class 12 Science?

Each subject carries 100 marks, so no subject has a higher overall weight than another. Within subjects, Calculus (Unit 3) carries 44 marks in Mathematics — the highest single-unit weightage across all Class 12 subjects.

In Biology, Genetics and Evolution carries 18–20 marks in the theory paper.

Is NCERT enough for Bihar Board 2027 preparation?

Yes, NCERT is sufficient for scoring good marks in Bihar Board. Most theory questions in Physics, Chemistry, Biology, and Social Science come directly from NCERT text.

For Mathematics numericals and Physics problems, supplement NCERT with R.D. Sharma and H.C. Verma respectively — but only after completing all NCERT exercises first.

Where can I download the Bihar Board 2027 official syllabus PDF?

Download the official Bihar Board syllabus PDF at biharboardonline.bihar.gov.in. Navigate to the syllabus or model papers section, select your class (Class 10 or Class 12), and download the subject-wise PDF.

BSEB publishes the syllabus on its portal ahead of each academic session.

Which are the most important chapters in Physics for Bihar Board Class 12?

The most important chapters are Optics (14–16 marks), Electromagnetic Induction and Alternating Currents (10–12 marks), Electrostatics, and Magnetic Effects of Current. Optics alone carries more marks than any other unit — prioritise it first in your schedule.

Has the Bihar Board syllabus been revised for 2027?

No major revision has been announced for the Bihar Board 2027 (2026-27 session) syllabus. BSEB follows a stable NCERT-aligned curriculum.

The last notable reduction was during the COVID-19 years; the full syllabus has been in force since 2023. Always verify at biharboardonline.bihar.gov.in before your exam.

What is the paper pattern for Bihar Board Class 12 exams in 2027?

Bihar Board Class 12 theory papers consist of 50% objective (MCQ) questions and 50% subjective questions. The exam duration is 3 hours 15 minutes per paper.

For science subjects, theory carries 80 marks and practical carries 20 marks. Mathematics carries 100 marks with no practical component.

What books should I follow for Chemistry in Bihar Board Class 12?

Follow NCERT Chemistry Part I and Part II as your primary reference. For Inorganic Chemistry (p-Block and d-Block elements), O.P. Tandon’s textbook provides detailed explanations.

For Organic Chemistry, NCERT exercises combined with Bihar Board previous year papers provide sufficient practice.

Is Modern Physics in the Bihar Board Class 12 syllabus?

Yes, Modern Physics is included. It covers Dual Nature of Matter and Radiation (Unit 7) and Atoms and Nuclei (Unit 8).

Key topics include the Photoelectric Effect, de Broglie Wavelength, Bohr’s Atomic Model, Radioactivity, and Nuclear Fission. These two units carry approximately 10–12 marks combined.

When is the Bihar Board 2027 exam, and when will the result be declared?

The Bihar Board 2027 exam dates have not been officially announced yet. BSEB typically conducts Class 10 and Class 12 exams in February, and results are usually declared in March or April.

Check the official website biharboardonline.bihar.gov.in for the latest updates on exam dates and result announcements.

Bihar Board 2027 Exam Dates

The Bihar Board 2027 Class 10 and Class 12 theory exams are expected in the first or second week of February 2027. This is based on the Bihar School Examination Board's (BSEB) historical schedule.

Practical exams for Class 12 are expected in January 2027. Class 12 results are typically declared in April 2027, and Class 10 results follow in April–May 2027.

BSEB will publish the exact dates at biharboardonline.bihar.gov.in.

Bihar Board Class 10 Marking Scheme

Bihar Board Class 10 exams carry 80 marks for theory and 20 marks for internal assessment. This makes a total of 100 marks per subject.

Students must secure at least 33% marks per subject to pass. The paper includes 50% objective and 50% subjective questions.

The exam duration is 3 hours 15 minutes.

How to Cover the Bihar Board 2027 Syllabus

Start Chapter 1 of every subject in August 2026 when the new academic year begins. Target at least two chapters per subject per month through November 2026.

Use December 2026 and January 2027 for full-syllabus revision and previous year paper practice. Begin preparing for practical exams by October 2026.

BSEB typically holds Class 12 practicals in January 2027.

Bihar Board 2027 Syllabus: Key Facts

The Bihar Board 2027 syllabus is largely the same as the 2026 syllabus. BSEB follows the NCERT curriculum and has not announced topic-level changes for the 2026-27 session.

The full NCERT syllabus, reinstated after COVID-19 reductions, continues for all subjects in both Class 10 and Class 12. No major revision has been announced for the 2027 syllabus.

Subject Weightage in Class 12 Science

Each subject in Class 12 Science carries 100 marks, so no subject has a higher overall weight than another. Within subjects, some units carry more marks than others.

  • Calculus (Unit 3) carries 44 marks in Mathematics, the highest single-unit weightage across all Class 12 subjects.
  • In Biology, Genetics and Evolution carries 18-20 marks in the theory paper.
  • In Physics, Optics carries 14-16 marks, the highest of any unit.
  • Electromagnetic Induction and Alternating Currents carries 10-12 marks in Physics.
  • Modern Physics (Units 7 and 8) carries approximately 10-12 marks combined.

Important Chapters in Physics

The most important chapters in Physics for Class 12 are Optics, Electromagnetic Induction and Alternating Currents, Electrostatics, and Magnetic Effects of Current. Optics alone carries more marks than any other unit, so prioritise it first in your schedule.

Modern Physics is also included in the syllabus. It covers Dual Nature of Matter and Radiation (Unit 7) and Atoms and Nuclei (Unit 8). Key topics include the Photoelectric Effect, de Broglie Wavelength, Bohr's Atomic Model, Radioactivity, and Nuclear Fission.

Recommended Books

NCERT is sufficient for scoring good marks in Bihar Board. Most theory questions in Physics, Chemistry, Biology, and Social Science come directly from NCERT text.

  • Mathematics: Supplement NCERT with R.D. Sharma for numericals, but only after completing all NCERT exercises first.
  • Physics: Supplement NCERT with H.C. Verma for problems, but only after completing all NCERT exercises first.
  • Chemistry: Use NCERT Chemistry Part I and Part II as the primary reference. For Inorganic Chemistry (p-Block and d-Block elements), O.P. Tandon's textbook provides detailed explanations. For Organic Chemistry, NCERT exercises combined with Bihar Board previous year papers provide sufficient practice.

Exam Pattern

Bihar Board Class 12 theory papers consist of 50% objective (MCQ) questions and 50% subjective questions. The exam duration is 3 hours 15 minutes per paper.

Subject Theory Marks Practical Marks Total
Science subjects 80 20 100
Mathematics 100 No practical 100

Bihar Board Class 10 exams carry 80 marks for theory and 20 marks for internal assessment, totalling 100 marks per subject. The paper includes 50% objective and 50% subjective questions, with an exam duration of 3 hours 15 minutes.

Students must secure at least 33% marks per subject to pass in Class 10.

How to Download the Syllabus PDF

Download the official Bihar Board syllabus PDF at biharboardonline.bihar.gov.in. Navigate to the syllabus or model papers section, select your class (Class 10 or Class 12), and download the subject-wise PDF.

BSEB publishes the syllabus on its portal ahead of each academic session. Always verify at biharboardonline.bihar.gov.in before your exam.

Important Dates

The Bihar Board 2027 Class 10 and Class 12 theory exams are expected in February 2027 (1st-2nd week), based on BSEB's historical schedule. Practical exams for Class 12 are expected in January 2027.

Event Expected Timeline
Class 12 practical exams January 2027
Class 10 and 12 theory exams February 2027 (1st-2nd week)
Class 12 results April 2027
Class 10 results April-May 2027

BSEB will publish exact dates at biharboardonline.bihar.gov.in.

Preparation Plan

Start Chapter 1 of every subject in August 2026 when the new academic year begins. Target at least two chapters per subject per month through November 2026.

  • Use December 2026 and January 2027 for full-syllabus revision and previous year paper practice.
  • Begin preparing for practical exams by October 2026, as BSEB typically holds Class 12 practicals in January 2027.

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