BSEB 12th Syllabus for Science 2026: Check Bihar Board Subject-wise Syllabus Here

Circular Motion

Angular Displacement, Velocity, and Acceleration, Uniform Circular Motion, Centripetal and Centrifugal Forces, Banking of Roads, etc. 

Gravitation

Projection of Satellite, Rolling Motion, Radius of Gyration, Weightlessness Condition in Orbit, etc.

Rotational Motion

Definition of MI, Kinetic Energy of a Rotating Body, Physical Significance of MI, Torque, Principle of Parallel and Perpendicular Axes, etc.

Oscillations

S.H.M., Phase of S.H.M., Simple Pendulum, Explanation of Periodic Motion, Damped S.H.M, etc.

Elasticity

Plasticity, Hooke’s Law, General Explanation of Elastic Property, Poisson’s Ration, Determination of ‘Y’, Applications of Elastic Behaviour of Materials, etc.

Surface Tension

Surface Energy, Angle of Contact, Effect of Impurity, Capillarity and Capillary Action, etc.

Wave Motion

Change of Phase, Simple Harmonic Progressive Waves, Superposition of Waves, etc.

Stationary Waves

Vibrations in a Finite Medium, Resonance, Study of Vibrations of Air Columns, Formation of Stationary Waves on a String, etc.  

Kinetic Theory of Gases and Radiation

Wave Theory of Light, Construction of Plane and Spherical Wavefront, Huygens’ Principle, Refraction at a plane surface, Doppler effect in light, etc.

Interference and Diffraction

Conditions for Producing a Steady Interference Pattern, Young’s Experiment, Diffraction Due to a Single Slit, etc.  

Electrostatics Gauss’

Proofs of Theorems and their Applications, Dielectrics and Electric Polarization, etc. 

Current Electricity

Wheatstone’s Bridge, Potentiometer, Metre Bridge, and Kirchhoff’s Law

Magnetic Effects of Electric Current

Voltmeter, Ammeter, Ampere’s Law and its Applications, etc.

Magnetism

Magnetic Dipole Moment of Revolving Electron, Diamagnetism, Paramagnetism, etc. 

Electromagnetic Inductions

Laws, Eddy Currents, Resonance Circuit, AC Generator, etc. 

Solid State

Classification of Solids based on different forces; Molecular, Ionic, Covalent and Metallic Solids, Amorphous and Crystalline Solids (Elementary Idea), Unit Cell in Two Dimensional and Three Dimensional Lattices, etc.

Solutions and Colligative Properties

Types of Solutions, Expression of Concentration of Solids in Liquids, the Solubility of Gases in Liquids, Solid Solutions, Colligative Properties –Relative Lowering of Vapour Pressure, Raoult’s Law Elevation of Boiling Point, Depression of Freezing Point, etc.

Chemical Thermodynamics and Energetics

Concepts of System, Types of Systems, Surroundings. Work, Heat, Energy, Extensive and Intensive Properties, State Functions. First Law of Thermodynamics – Internal Energy and Enthalpy, etc.

Electrochemistry

Redox Reactions, Conductance in Electrolytic Solutions, Specific and Molar Conductivity, Variations of Conductivity with Concentration, Kohlrausch’s Law, Electrolysis and Laws of Electrolysis (Elementary Idea), Dry Cell –Electrolytic and Galvanic Cells, etc.

Chemical Kinetics

Rate of Reaction (Average and Instantaneous), Factors Affecting Rate of Reaction; Concentration, Temperature, Catalyst; Order and Molecularity of a Reaction, etc.

General Principles and Process of Isolation of Elements

Principles and Methods of Extraction – Concentration, Oxidation, Reduction Electrolytic Method, and Refining; Occurrence and Principle of Extraction of Aluminium, Copper, Zinc and Iron

p-Block Elements

Group 15 Elements, Classification of Oxides, Simple Oxides, Ozone, Sulphur – Allotropic Forms, Group 17 Elements and Group 18 Elements

d and f Block Elements

General Introduction, Electronic Configuration, Lanthanoids and Actinoids

Coordination Compounds

Coordination Compounds:  Introduction, Ligands, Coordination Number, Colour, Magnetic Properties and Shapes, etc.

Halogen Derivatives of Alkanes and Alkenes (Arenes Included)

Haloalkanes: Nomenclature, Nature of C-X bond, Physical and Chemical Properties, Mechanism of Substitution Reactions, etc.

Alcohols, Phenols, and Ether Alcohols

Nomenclature, Methods of Preparation, Physical and Chemical Properties (of primary alcohols only), etc.

Aldehydes, Ketones, and Carboxylic Acids

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

Organic Compounds Containing Nitrogen

Nitro compounds- General Methods of Preparation and Chemical Reactions, etc.

Genetics and Evolution

Chapter 1 – Genetic Basis of Inheritance, Chapter 2 – Gene: its nature, expression and regulation

Biotechnology and Its Application

Chapter 3 – Biotechnology: Process and Application

Biology and Human Welfare

Chapter 4 - Enhancement in Food production plant Breeding Tissue Culture

·         Concept of Cellular

·         Totipotency, Requirements of Tissue Culture (in brief)

·         Callus Culture, Suspension Culture

·         Single Cell Protein. Biofortification

Chapter 5 – Microbes in Human Welfare

Plant Physiology

Chapter 6 – Photosynthesis

Chapter 7 – Respiration

Reproduction in Organisms

Chapter 8 – Reproduction in PlantsModes of Reproduction (Asexual and Sexual)

Ecology and Environment

Chapter 9: Organisms and Environment - I: Habitat and Niche

Mathematical Logic

Statements – Introduction, sentences and statement, truth value of the statement, open sentences, compound statement, quantifier and quantified statements, logical connectives: conjunction, disjunction, negation, implication/ conditional, biconditional, truth tables of compound statements

Matrices

Elementary transformation of a matrix revision of co-factor and minor, elementary row transformation, elementary column transformation, inverse of a matrix existence

Trigonometric Functions

Trigonometric equations-general solution of trigonometric equation of the type

Pair of Straight Lines

Pair of lines passing through origin combined equation, homogeneous equation, theorem-the joint equation of a pair of lines passing through the origin and its converse, acute angle between the lines represented by ax2 +2hxy+by2 =0

Circle

Tangent of a circle-equation of a tangent at a point to 1) standard circle, 2) general circle, condition of tangency only for line y = mx + c to the circle x2 + y2 = a2, tangents to a circle from a point outside the circle, director circle, length of tangent segments, normal to a circle-equation of normal at a point

Continuity

Continuity of a function at a point: left-hand limit, right-hand limit, the definition of continuity of a function at a point, discontinuity of a function, types of discontinuity, algebra of continuous functions, continuity in interval-definition, continuity of some standard functions polynomial, rational, trigonometric, exponential and logarithmic function

Differentiation

Revision- revision of derivative, relationship between continuity and differentiability-left hand derivative and right-hand derivative (need and concept), every differentiable function is continuous

Integration

Indefinite integrals-methods of integration, substitution method, integrals of the various types, integration by parts (reduction formulae are not expected), integration by partial fraction-factors involving repeated and non-repeated linear factors

Applications of Definite Integral

Area under the curve: area bounded by curve and axis (simple problems), area bounded by two curves, volume of solid of revolution-volume of solid obtained by revolving the area under the curve about the axis (simple problems)

Differential Equations

Definition-differential equation, order, degree, general solution, particular solution of differential equation, formation of differential equation-formation of differential equation by eliminating arbitrary constants