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  • Last Modified 19-06-2023

Bihar Board Class 12 Important Topics 2023


As a Class 12 student of Bihar Board, it is extremely crucial for you to prepare for your board exams thoroughly. These exams are important, as they can be considered your first stepping stone towards building your dream career. Your board exam scores play an important role in determining the institute you get admission into, or the undergraduate course you enroll for. But, if you feel like you need more help in understanding all the topics of your syllabus, then you have come to the right page.

Sometimes, textbooks might not be enough to clarify all your doubts on any particular topic or chapter, or explain difficult concepts in simpler terms. In order to help you overcome this hurdle, Embibe has provided video lectures on all of the chapters and exam topics, where each topic is explained in detail for you to understand better and more quickly. Through the Embibe app, you can access 3D explainer videos, practise unlimited Bihar Class 12 exam questions, and take mock tests.

Bihar Board Class 12 Topics for All Subjects

Bihar Board Class 12 Chapters cover a wide range of topics in different subjects such as Mathematics, Physics, Chemistry, Biology, English, and others. These chapters are an essential part of the curriculum and play a crucial role in the academic growth of students. The concepts taught in these chapters form the foundation for higher studies and career prospects.

Bihar Board Class 12 Topics for Physics

Bihar Board Class 12 Physics covers a broad spectrum of topics ranging from fundamental concepts to complex theories. The curriculum aims to provide students with a comprehensive understanding of the principles of physics and their practical applications. Check out the chapter-wise Bihar Board Class 12 topics for Physics from the table below: 

Physics ChaptersBihar Board Class 12 Topics Links
Electric Charges and FieldsElectric Charge, Conductors Insulators & Semiconductors, Different Methods of Charging, Basic Properties of Electric Charge, Coulomb’s Law, Superposition Principle, Electric Field, Electric Field Lines, Electric Flux, Electric Dipole, Dipole in a Uniform External Field, Continuous Charge Distribution, Gauss’s Law, Application of Gauss’s Law
Electrostatic Potential and CapacitanceElectric Potential, Potential Due to a Point Charge, Potential Due to Electric Dipole, Potential Due to System of Charges, Equipotential Surfaces, Relation Between Field and Potential, Potential Energy of System of Charges, Potential Energy in an External Field, Electrostatic of Conductors, Dielectric and Polarisation, Capacitor and Capacitance, Parallel and Spherical Plate Capacitor, Effect of Dielectric on Capacitance, Combination of Capacitors, Energy Density in Electric Field, Energy Stored in Capacitor
Current Electricity Electric Current, Electric Current in Conductors, Ohm’s Law, Drift of Electrons and the Origin of Resistivity, Limitation of Ohm’s Law, Resistivity of Various Materials, Colour Code of Resistors, Temperature Dependence of Resistivity, Electrical Energy and Electrical Power, Combination of Resistors Series and Parallel, Cells, EMF Internal Resistance, Cells in Series and Parallel, Kirchhoff’s Laws and their Applications, Wheatstone Bridge, Metre Bridge, Potentiometer
Moving Charges and MagnetismMagnetic Force, Motion in Magnetic Field, Motion in Combined Electric and Magnetic Fields, Cyclotrons, Magnetic Field Due to a Current Element, Biot Savart Law, Magnetic Field Due To Current in Straight Wire, Magnetic Field on the Axis of Circular Current Loop, Ampere’s Circuital Law, Force Between Current Carrying Wires, Torque on Current Loop Magnetic Dipole, Electrical Instruments
Magnetism and MatterBar Magnet, Magnetism and Gauss’s Law, the Earth’s Magnetism, Magnetisation and Magnetic Intensity, Magnetic Properties of Materials, Permanent Magnet and Electromagnet
Electromagnetic InductionExperiments of Faraday and Henry, Magnetic Flux, Faraday’s Laws of Induction, Lenz’s Law and Conservation of Energy, Motional Electromotive Force, Eddy Currents, Inductance, Energy  Density in Magnetic Field, AC Generator
Alternating CurrentAC Voltage Applied To Resistor, Representation of AC Current and Voltage by Rotating Vector-phasors, AC Voltage Applied to Inductor, AC Voltage Applied to Capacitor, AC Voltage Applied to Series LCR Circuit, Resonance, Power in AC Circuits, Transformer, LC Oscillations
Electromagnetic WavesDisplacement Current, Maxwell’s Distribution of Velocities, Sources of Electromagnetic Waves, Nature of Electromagnetic Waves, Electromagnetic Spectrum
Ray Optics and Optical InstrumentsBasic Terms in Ray Optics, Reflection at Plane and Spherical Surfaces,  Refraction at Plane Surface, Total Internal Reflection and Critical Angle, Refraction at Spherical Surface and by Lenses, Refraction Through a Prism, Deviation and Dispersion of Light by a Prism, The Rainbow, Starting of Light, Optical Instruments
Wave OpticsHuygen’s Principle, Doppler Effect in Light, Coherent and Incoherent Addition of Waves, Interference of Light Waves and Young’s Experiment, Diffraction of Light, Resolving Power of Optical Instruments, Polarization
Dual Nature of Radiation and MatterElectron Emission, Photo Electric Effect, Einstein’s Equation of Photoelectric Effect, Photoelectric Effect and Wave Theory of Light, Particle Nature of Light the Photon, Wave Nature of Matter, Davisson Germer  Experiment
AtomsEarly Atomic Models, Alpha Particle Scattering and Rutherford’s Nuclear Model of the Atom, Atomic Spectra, Bohr Model of the Hydrogen Atom, De Broglie’s  Explanation of Bohr’s Second Postulate
NucleiAtomic Masses and Composition of the Nucleus, Size of the Nucleus, Mass Energy and Nuclear Binding Energy, Nuclear Force, Radioactivity, Nuclear Energy
Semiconductor Electronics: Materials, Devices, and Simple CircuitsComparison of Vacuum Tubes and Semiconductors, Energy Band Theory and Electrical Properties of Matter, Semiconductor Material, Extrinsic Semiconductors, p-n Junction and Semiconductor Diode, Application of Junction Diode as Rectifier, Special Purpose p-n Junction Diodes

Bihar Board Class 12 Topics for Mathematics

The Bihar Board Class 12 curriculum aims to develop students’ mathematical thinking, problem-solving, and analytical skills. The study of mathematics equips students with tools that are essential for success in higher studies and diverse career paths. Take a look at the chapter-wise Bihar Board Class 12 topics for Mathematics from the table below: 

Mathematics ChaptersBihar Board Class 12 Topics Links
Relations and FunctionsTypes of Relations, Types of Functions, Composition of Functions, Invertible Functions, Binary Operations
Inverse Trigonometric FunctionsBasic Concepts in Inverse Trigonometric Functions, Properties of Inverse Trigonometric Functions,
MatricesBasic of Matrices, Types of Matrices, Operation on Matrices, Systemetric and Skew Symmetric Matrices, Elementary Operation  (Transformation) Of Matrix, Inverse Matrix
DeterminantsDeterminants, Properties of Determinants, Area of Triangle, Minor and Cofactors, Adjoint and Inverse of Matrix, Application of Determinants and Matrices
Continuity and DifferentiabilityContinuity, Differentiability, Derivatives of Composite and Implicit Functions, Logarithmic Differentiation, Exponential and Logarithmic Functions, Derivative of Functions in Parametric Forms, Second Order Derivative, Mean Value Theorem
Application of DerivativesRate of Change of Quantities, Increasing and Decreasing Function, Tangents and Normal, Approximation, Maxima & Minima
IntegralsIntegration as an Inverse Process of Differentiation, Methods of Integration, Integration by Partial Fraction, Integration by Parts, Definite Integration, Some Properties of Definite Integrals
Application of IntegralsArea Under Simple Curves, Area Between Two Curves
Differential EquationsBasic of Differential Equation, General and Particular Solution of Differential Equation, Formation of Differential Equation, Methods of Solving First Order, First Degree Differential Equation, Application of Differential Equation,
Vector AlgebraBasic of Vectors, Addition of Vectors, Multiplication of Vector by Scalar, Product of Vectors
Three Dimensional GeometryDirection Cosines and Direction Ratios of Line, Equation of a Line in Space, Angle Between Two Lines, Shortest Distance Between Two Lines, Plane, Coplanarity of Two Lines, Angle Between Two Planes, Distance of a Point From a Plane, Angle Between a Line and a Plane
Linear ProgrammingMathematical Formulation of Linear Programming Problems, Different Types of Linear Programming Problems
Probability Conditional Probability and Multiplication Theorem, Independent Events, Bayes Theorem, Random Variables and Its Probability Distributions, Bernoulli Trials and Binomial Theorem

Bihar Board Class 12 Topics for Chemistry

Through the study of Chemistry, students can develop analytical, problem-solving, and critical thinking skills that are essential for success in their academic and professional lives.Take a look at the chapter-wise Bihar Board Class 12 topics for Chemistry from the table below: 

Chemistry ChaptersBihar Board Class 12 Topics Links
The Solid StateGeneral Characteristics of Solid State, Amorphous and Crystalline Solids, Classification of Crystalline Solids, Crystal Lattices and Unit Cells, Number of Atoms in a Unit Cell, Close Packing Structures and Packing Efficiency, Calculations  Involving Unit Cell Dimensions, Imperfections in Solids, Electrical Properties of Solids, Magnetic Properties of Solids
SolutionsTypes of Solutions, Methods of Expressing the Concentration of Solutions, Solubility, the Vapour Pressure of Liquid Solutions, Raoult’s Law, Ideal and Non-ideal Solutions,  Colligative Properties, Elevation in the Boiling Point of the Solvent, Depression inzing Point of the Solvent, Experiment To Explain Osmosis, Van’t Hoff’s Factor
Electro ChemistryElectrochemical Cells, Galvanic Cells, Electrode Potential and Standard Electrode Potential, Nernst Equation, The Relationship Between Electrode Potential Gibbs’ Energy and Equilibrium Constant, Electrolytic and Metallic Conduction, Conductance in Electrolytic Solutions, Kohlrausch’s Law and its Application, Electrolytic Cells and Electrolysis, Batteries, Fuel Cells, Corrosion and its Prevention
Chemical KineticsRate of Chemical Reaction, Factors Affecting the Rate of Reaction, the Rate Law and Rate Constant, Order of a Reaction, Molecularity of a Reaction, Integrated Rate Law for Zero and First-order Reaction, Pseudo-First-Order Reaction, The Temperature Dependence of the Rate Of  Reaction, Collision Theory of Chemical Reaction
Surface ChemistryImportance of Surface Chemistry, Absorption, Adsorption, Catalysis, Classification of Colloids, Emulsion, Preparation of the Colloidal Solution
General Principles and Processes of Isolation of Metals (Metallurgy) Occurrence of Metals, Concentration of Oresy, Oxidation Reduction in Metallurgy, Reduction of Metal Oxides to Metals, Thermodynamics Principle of Metallurgy, Ellingham Diagram, Metallurgy of Some Important Metals, Refining or Purification of Impure Metals, Use of Aluminium, Copper, and Zinc and Iron
The p-Block ElementsOccurrence of P Block Elements, Atomic and Physical Properties of Group 15 Elements, Chemical Properties of Group 15 Elements, Dinitrogen: Preparation, Structure,Properties and Uses, Ammonia: Preparation, Structure, Properties and Uses: Oxidize of Nitrogen: Preparation, Structure, Properties and Uses, Nitric Acid: Preparation, Structure, Properties and Uses, Allotropes of Phosphorus, Phosphene:  Preparation, Structure, Properties and Uses, Halides of Phosphorus: Preparation, Structure, Properties and Uses, Oxides of Phosphorus: Preparation, Structure, Properties and Uses, Atomic and Physical Properties of Group 16 Elements, Chemical Properties of Group 16 Elements, Dioxygen: Preparation, Structure, Properties and Uses, Simple Oxides, Ozone Preparation, Structure, Properties and Uses, Allotropes of Sulphur, Sulphur Dioxide:Preparation, Structure, Properties and Uses, Oxides of Sulphur, Sulfuric Acid:Preparation, Structure, Properties and Uses, Atomic and Physical Properties of Group 17 Elements, Chemical Properties of Group 17 Elements, Chlorine: Preparation, Structure, Properties and Uses, Hydrogen Chloride: Preparation, Structure, Properties and Uses,Oxoacids of Chlorine: Preparation, Structure, Properties and Uses, Interhalogen Compounds: Preparation, Structure, Properties and Uses, Atomic and Physical Properties of Group 18 Elements, Chemical Properties of Group 18 Elements
The d- and f-Block ElementsPosition of d-Block and f-Block Element in the Periodic Table, the Electronic Configuration of d-Block Elements, the General Properties of d-Block Elements, Some Important Compounds of Transition Metals, the Lanthanoids, General Properties of Lanthanoids, the Actinoids, Application of d-Block and f-Block Elements
Coordination CompoundsWerner’s Theory of Coordination Compounds, Important Terms Related to Coordination Compounds, the Nomenclature of Coordination Compounds, Isomerism in Coordination Compounds, Valence Bond Theory, Crystal Field Theory, Bonding in Metal Carbonyls, Stability of Coordination Compounds, Importance and Application of Coordination Compounds
Haloalkanes and HaloarenesIntroduction to Haloalkanes and Haloarenes, Classification of Haloalkanes and Haloarenes, Nomenclature of Haloalkanes and Haloarenes, Nature of C-X Bond in Haloalkanes, Preparation Of  Haloalkanes, Physical Properties of Haloalkanes and Haloarenes, Chemical Reaction of Haloalkanes, Stereochemical Aspect of Nucleophilic Substitution Reaction of Haloalkanes and Haloarenes, Chemical Reaction of Haloarenes, Polyhalogen Compounds and Their Uses
Alcohols, Phenols and EthersClassification of Alcohols Phenols and Ethers Nomenclature of Alcohols Phenols and Ethers, Structure of Functional Groups of Alcohols Phenols and Ethers, Method of Preparation of Alcohols, Methods of Preparation of Phenols, Physical Properties of Alcohols, Physical Properties of Phenols, Chemical Properties of Alcohols, Test of Alcohols, Chemical Properties of Phenols, Commercially Important Alcohols, Method of Preparation of Ethers, Physical Properties of Ethers, Chemical Properties of Ethers
Aldehydes, Ketones and Carboxylic AcidsIntroduction to Aldehydes Ketones and Carboxylic Acid, Nomenclature and Structure of Aldehydes and Ketones, Preparation of Aldehydes and Ketones, Physical Properties of Aldehydes and Ketones, Chemical Reaction of Aldehydes and Ketones, Uses of Aldehyde and Ketones, Nomenclature and Structure of Carboxylic Acid, Method of Preparation of Carboxylic Acids, Physical Properties of Carboxylic Acids, Chemical Properties of Carboxylic Acids, Uses of Carboxylic Acids
AminesGeneral Introduction of Amines, Structure of Amines, Classification of Amines, Nomenclature of Amines, Method of Preparation of Amines, Physical Properties of Amines, Chemical Reaction of Amines, Introduction to Diazonium Salts, Preparation of Diazonium Salts, Physical Properties of Diazonium Salts, Chemical Reaction of Diazonium Salts, Importance of Diazonium Salts for Aromatic Synthesis
BiomoleculesCarbohydrates, Importance of Carbohydrates, Proteins, Enzymes, Vitamins, Nucleic Acid
PolymersPolymers and Polymerization, Classification of Polymers, General Method of Polymerization, Some Commercially Important Polymers, Natural and Synthetic Rubber, Molecular Masses of Polymers, Biodegradable Polymers
Chemistry in Everyday LifeApplications of Chemistry, Drugs and Their Classification, Drug Target Interaction, the Therapeutic Action of Different Classes of Drugs, Chemicals in Food, Cleansing Agents

Bihar Board Class 12 Topics for Biology

Through the study of biology, students develop an appreciation for the complexity and diversity of life and gain insights into how living systems function. The curriculum also emphasizes the importance of the environment and the need for the conservation of natural resources. Get the chapter-wise Bihar Board Class 12 topics for Biology from the table below: 

Biology ChaptersBihar Board Class 12 Topics Links
Reproduction in OrganismsModes of Reproduction, Asexual Reproduction, Sexual Reproduction
Sexual Reproduction in Flowering PlantsSexual Reproduction in Plants, Flower-Reproductive Organ in Plants, Structure of Anther and Development of Male Gametophyte, Structure of Ovule and Development of Female Gametophyte, Pollination, Outbreeding Devices and Pollen Pistil Interaction, Double Fertilization, Post Fertilization Structure and Events, Seed and Food Formation, Apomixis & Polyembryony
Human ReproductionMale Reproductive System, Female Reproductive System Gametogenesis, Menstrual Cycle, Fertilization, Implantation, Pregnancy & Embryonic Development, Parturition, Lactation
Reproductive Health Reproductive Health Problems and Strategies, Human Population Explosion and Birth Control, Medical Termination of Pregnancy, Sexually Transmitted Disease, Infertility
Principles of Inheritance and VariationHereditary and Variation, Inheritance of One Gene, Inheritance of Two Genes, Mendel’s Law of Inheritance, Sex Determination, Mutation, Genetic Disorders
Molecular Basis of InheritanceDNA as Genetic Material, Structure of DNA and DNA Packaging, RNA World, Replication, Transcription, Genetic Code and Gene Mutations, Translation, Regulation of Gene Expression, Human Genome Project, DNA Fingerprinting
EvolutionOrigin of Life, Theories of Evolution of Life, Evidence of Evolution, Adaptive Radiations, Biological Evolution, Mechanism of Evolution, Hardy Weinberg’s Principal, a Brief Account of Evolution-Geological Time Scale, Evolution of Man
Human Health and DiseaseCommon Diseases in Humans, Immunity, Acquired Immunodeficiency Syndrome (AIDS), Cancer, Drug Alcohol Abuse
Strategies for Enhancement in Food ProductionAnimal Husbandry- Animal Farms  And Animal Breeding, Plant Breeding and Its Process, Single Cell Protein (SCP), Tissue Culture
Microbes in Human WelfareMicrobes in Household Products, Microbes in Industrial Products, Microbes in Sewage Treatment, Microbes in the Production of Biogas, Microbes as Biocontrol Agents, Microbes as Biofertilisers
Biotechnology – Principles and ProcessesPrinciples of Biotechnology, Restriction Enzymes as a Tool of Recombinant DNA Technology, of Recombinant DNA Technology- Isolation of DNA and Its Amplification
Biotechnology and Its ApplicationBiotechnology in Agriculture, Biotechnology in Healthcare and Medicine, Transgenic Animals, Ethical Issues In Biotechnology
Organisms and PopulationsOrganisms and its Environment, Population
EcosystemEcosystem Structure and Function, Productivity in Ecosystem, Decomposition, Flow of Energy, Ecological Pyramids, Ecological Succession, Nutrient Cycle, Ecosystem Services
Biodiversity and ConservationBiodiversity, Conservation of Biodiversity
Environmental IssuesEnvironmental Issues, Air Pollution and its Control, Water Pollution and its Control, Solid Wastes, Agro Chemicals and Their Effects

FAQs on Bihar Board Class 12 Topics

Read some of the most frequently asked questions on Bihar Board Class 12 topics below: 

Q. Where can I get the Bihar Board Class 12 topics?

Ans: You can get Bihar Board Class 12 topics in this article.  

Q. Where can I access Bihar Board Class 12 practice questions?

Ans: You can access Bihar Board Class 12 practice questions on Embibe. 

Q. Where can I get video explanations for Bihar Board Class 12 chapters?

Ans: You can get the video explanations for Bihar Board Class 12 chapters in this article.

Q. Who conducts the 10th and 12th board exams for Bihar Board?

Ans: Bihar School Examination Board conducts the 10th and 12th board exams for Bihar Board.

Q. What is the full form of BSEB?

Ans: The full form of BSEB is Bihar School Examination Board.

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