Bihar Board Syllabus 2027 is prescribed by the Bihar School Examination Board (BSEB) for Class 10 (Matric) and Class 12 (Intermediate) annual examinations. BSEB has released the official 2026-27 syllabus at biharboardonline.bihar.gov.in. Download the official Bihar Board 2027 syllabus PDF and align your preparation with every prescribed topic before the February 2027 exams.
- Bihar Board 2027 covers Class 10 (Matric) and Class 12 (Intermediate) examinations, expected in February 2027.
- Class 12 Science stream includes Physics, Chemistry, Mathematics, and Biology as core subjects alongside compulsory Hindi and English.
- Bihar Board syllabus is NCERT-based; NCERT textbooks are the primary and most important source for all subjects.
- Bihar Board Class 12 theory papers carry 80 marks; practical exams carry 20 marks for science subjects.
- The paper pattern includes 50% objective (MCQ) and 50% subjective questions in each theory paper.
- In Class 12 Mathematics, Calculus carries the highest internal weightage among all units.
- The official syllabus PDF for 2026-27 is available at biharboardonline.bihar.gov.in.
Complete NCERT for every subject first — a large share of Bihar Board theory questions are directly NCERT-based.
Bihar Board Syllabus 2027: Download Subject-wise PDFs
BSEB has released the official 2026-27 syllabus on its portal. You can download subject-wise PDFs for both Class 10 and Class 12 using the table below.
| 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 | 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 2027 Syllabus: Overview
The Bihar School Examination Board (BSEB) prescribes the syllabus for Class 10 and Class 12 annual exams. The board bases its curriculum 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.
| 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 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 | Chapter | Key Topics |
|---|---|---|
| Unit 1 | Electrostatics | Sub-topics of Unit 1 - Click Here 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 | Sub-topics of Unit 2 - Click Here 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 | Sub-topics of Unit 3 - Click Here 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 | Sub-topics of Unit 4 - Click Here 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 | Sub-topics of Unit 5 - Click Here Displacement Current, Maxwell’s Equations (qualitative), Electromagnetic Spectrum, Properties of EM Waves. |
| Unit 6 | Optics | Sub-topics of Unit 6 - Click Here 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 | Sub-topics of Unit 7 - Click Here Photoelectric Effect, Einstein’s Photoelectric Equation, Stopping Potential, Work Function, de Broglie Wavelength, Davisson-Germer Experiment. |
| Unit 8 | Atoms and Nuclei | Sub-topics of Unit 8 - Click Here 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 | Sub-topics of Unit 9 - Click Here 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 | Sub-topics of Unit 10 - Click Here 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. |
Bihar Board Class 12 Physics Chapter-wise Weightage
| 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.
| Section | Chapter | Key Topics |
|---|---|---|
| Physical Chemistry | Solutions | Sub-topics - Click Here Types of Solutions, Concentration Terms (Molarity, Molality, Mole Fraction), Vapour Pressure, Raoult’s Law, Colligative Properties, Van’t Hoff Factor, Abnormal Molar Masses. |
| Physical Chemistry | Electrochemistry | Sub-topics - Click Here Electrolytic and Metallic Conduction, Kohlrausch’s Law, Electrochemical Cells, EMF, Nernst Equation, Standard Electrode Potential, Fuel Cells, Corrosion. |
| Physical Chemistry | Chemical Kinetics | Sub-topics - Click Here Rate of Reaction, Rate Laws, Order of Reaction, Integrated Rate Equations, Half-Life, Pseudo-First Order Reactions, Arrhenius Equation, Activation Energy, Catalysis. |
| Physical Chemistry | Surface Chemistry | Sub-topics - Click Here Adsorption (Physisorption vs Chemisorption), Freundlich Adsorption Isotherm, Catalysis, Colloids, Tyndall Effect, Brownian Motion, Electrophoresis, Coagulation, Emulsions. |
| Inorganic Chemistry | General Principles of Isolation of Elements | Sub-topics - Click Here Principles of Metallurgy, Concentration Methods, Reduction (Smelting, Electrolytic), Refining; Metallurgy of Aluminium, Iron, Copper, and Zinc. |
| Inorganic Chemistry | p-Block Elements | Sub-topics - Click Here 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. |
| Inorganic Chemistry | d and f Block Elements | Sub-topics - Click Here General Properties of Transition Elements, Potassium Permanganate, Potassium Dichromate (preparation and uses), Lanthanoids and Actinoids (properties and trends). |
| Inorganic Chemistry | Coordination Compounds | Sub-topics - Click Here Werner’s Theory, IUPAC Nomenclature, Isomerism (Geometric, Optical), Valence Bond Theory, Crystal Field Theory, Stability of Complexes, Biological Importance. |
| Organic Chemistry | Haloalkanes and Haloarenes | Sub-topics - Click Here Classification, Nomenclature, Nucleophilic Substitution (SN1, SN2), Optical Activity, Elimination Reactions, Polyhalogen Compounds, Uses. |
| Organic Chemistry | Alcohols, Phenols and Ethers | Sub-topics - Click Here Classification, Preparation, Physical Properties, Chemical Reactions of Alcohols, Acidic Nature of Phenols, Reactions of Phenols, Williamson Synthesis of Ethers. |
| Organic Chemistry | Aldehydes, Ketones and Carboxylic Acids | Sub-topics - Click Here Nucleophilic Addition Reactions, Aldol Condensation, Cannizzaro Reaction, Clemmensen Reduction, Acidic Strength of Carboxylic Acids, Fischer Esterification, Acyl Chlorides, Anhydrides. |
| Organic Chemistry | Amines | Sub-topics - Click Here Classification, Preparation, Physical and Chemical Properties, Basic Character, Diazonium Salts, Coupling Reactions, Carbylamine Reaction. |
| Organic Chemistry | Biomolecules, Polymers and Chemistry in Everyday Life | Sub-topics - Click Here 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
| 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 | Chapters | Key Topics |
|---|---|---|
| Unit 1: Relations and Functions | Relations and Functions; Inverse Trigonometric Functions | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here Feasible Region, Corner Point Method, Maximization and Minimization of Objective Function, Formulation of LPP from Word Problems. |
| Unit 6: Probability | Probability | Sub-topics - Click Here Conditional Probability, Multiplication Theorem, Independent Events, Total Probability Theorem, Bayes’ Theorem, Random Variable, Probability Distribution, Mean and Variance of a Random Variable, Binomial Distribution. |
Bihar Board Class 12 Mathematics 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 — you must master Mendelian genetics, DNA replication, and the Operon Model thoroughly.
| Unit | Chapters | Key Topics |
|---|---|---|
| Unit 1: Reproduction | Reproduction in Organisms; Sexual Reproduction in Flowering Plants; Human Reproduction; Reproductive Health | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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
| 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 | Chapters | Key Topics |
|---|---|---|
| Unit 1: Number Systems | Real Numbers | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here Distance Formula, Section Formula (Internal Division), Midpoint Formula, Area of a Triangle Using Coordinates. |
| Unit 4: Geometry | Triangles; Circles; Constructions | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 | Sub-topics - Click Here 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 to Europe; Gutenberg Press, Vernacular Literature, Readership Growth. |
| Geography: Contemporary India II | Resources and Development; Forest and Wildlife Resources; Water Resources; Agriculture; Minerals and Energy Resources; Manufacturing Industries; Lifelines of National Economy | Sub-topics - Click Here Types and Distribution of Resources, Land Use Change; Forest Types, Conservation, Chipko Movement; Multipurpose River Projects, Rainwater Harvesting; Cropping Seasons (Rabi, Kharif, Zaid), Farming Types, Food Security; Types of Minerals, Distribution in India; Iron and Steel, Textile, Chemical, Automobile Industries; Transport Networks (Road, Rail, Air, Water), Trade, International Airports. |
| Political Science: Democratic Politics II | Power Sharing; Federalism; Democracy and Diversity; Gender, Religion and Caste; Popular Struggles and Movements; Political Parties; Outcomes of Democracy; Challenges to Democracy | Sub-topics - Click Here Belgium and Sri Lanka Case Studies, Forms of Power Sharing; Federal vs Unitary Government, Decentralization in India; Social Divisions and Democracy; Women’s Representation, Communalism, Casteism; Bolivia Water War, Nepal Democracy Movement; National, Regional, Local Parties; Democracy and Development. |
| Economics: Understanding Economic Development | Development; Sectors of the Indian Economy; Money and Credit; Globalisation and the Indian Economy; Consumer Rights | Sub-topics - Click Here National Income, GDP, HDI, Development Goals; Primary, Secondary, Tertiary Sectors, Organized vs Unorganized Sector; Formal and Informal Credit, Self-Help Groups, Banks; MNCs, 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 |
Note: 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.
| 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.
- Visit the official BSEB website at biharboardonline.bihar.gov.in.
- Look for the "Syllabus" or "Model Papers" section in the main navigation or notifications area.
- Select your class — Class 10 (Matric) or Class 12 (Intermediate).
- Click on the subject-wise syllabus link. A PDF will open in a new browser tab.
- Press Ctrl + S (Windows) or Cmd + S (Mac) to save the PDF to your device.
- 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
- 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.
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
Ques. Is the Bihar Board 2027 syllabus the same as the 2026 syllabus?
Ans. 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.
Ques. Which subject has the highest weightage in Bihar Board Class 12 Science?
Ans. 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.
Ques. Is NCERT enough for Bihar Board 2027 preparation?
Ans. 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.
Ques. Where can I download the Bihar Board 2027 official syllabus PDF?
Ans. 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.
Ques. Which are the most important chapters in Physics for Bihar Board Class 12?
Ans. 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.
Ques. Has the Bihar Board syllabus been revised for 2027?
Ans. 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.
Ques. What is the paper pattern for Bihar Board Class 12 exams in 2027?
Ans. 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.
Ques. What books should I follow for Chemistry in Bihar Board Class 12?
Ans. 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.
Ques. Is Modern Physics in the Bihar Board Class 12 syllabus?
Ans. 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.
Ques. When is the Bihar Board 2027 exam, and when will the result be declared?
Ans. 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. Class 12 results are typically declared in April 2027; Class 10 results follow in April–May 2027. BSEB will publish exact dates at biharboardonline.bihar.gov.in.
Ques. What is the marking scheme for Bihar Board Class 10 exams?
Ans. Bihar Board Class 10 exams carry 80 marks for theory and 20 marks for internal assessment, totalling 100 marks per subject. Students must secure at least 33% marks per subject to pass. The paper includes 50% objective and 50% subjective questions, with an exam duration of 3 hours 15 minutes.
Ques. How should I cover the full Bihar Board 2027 syllabus on time?
Ans. 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.
Source: Bihar School Examination Board (BSEB) Official Website
*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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