West Bengal HS Exam 2027 Syllabus
From the official West Bengal Council of Higher Secondary Education (WBCHSE) documents · last checked 14 October 2026
Physics
Sem III – Unit 1: Electrostatics (স্থির তড়িৎ)
- Electric charges and conservation of charge
- Coulomb's law, forces between multiple charges, superposition principle, continuous uniform charge distribution
- Electric field of a point charge, electric field lines
- Electric dipole: field on its axis, on its perpendicular bisector and at any point; torque on a dipole in a uniform field
- Electric flux; Gauss's theorem and its use for an infinitely long straight wire, an infinite plane sheet and a thin spherical shell
- Electric potential and potential difference; relation between field and potential; potential due to a point charge, a dipole and a system of charges
- Equipotential surfaces; potential energy of two point charges and of a dipole in an electrostatic field
- Conductors and insulators; free and bound charges; dielectrics and electric polarisation
- Capacitors and capacitance; series and parallel combination; parallel plate capacitor with and without dielectric; solid and hollow spherical capacitors
- Energy stored in a capacitor; capacitors in daily life (qualitative)
Sem III – Unit 2: Current Electricity (তড়িৎপ্রবাহ)
- Electric current; drift velocity, mobility and their relation with current
- Ohm's law; resistance, resistivity and conductivity; V-I characteristics; temperature dependence of resistance
- Series, parallel and mixed grouping of resistances
- Internal resistance, potential difference and emf of a cell; combinations of cells
- Kirchhoff's laws and simple applications
- Wheatstone bridge and metre bridge (end error correction not required)
- Potentiometer: principle and uses (comparing emfs, measuring internal resistance)
Sem III – Unit 3: Magnetic Effects of Current and Magnetism (তড়িৎপ্রবাহের চৌম্বক ক্রিয়া ও চুম্বকত্ব)
- Concept of magnetic field, Oersted's experiment
- Biot-Savart law: field of straight and circular conductors
- Ampere's circuital law: infinitely long straight wire and straight solenoid
- Lorentz force; motion of a charged particle in a perpendicular magnetic field (cyclotron frequency)
- Force on a current-carrying conductor; force between two parallel conductors; definition of ampere
- Torque on a current loop; moving coil galvanometer and its current sensitivity; conversion into ammeter and voltmeter
- Current loop as a magnetic dipole; magnetic moment of a revolving electron
- Field of a bar magnet on its axis and perpendicular to it; torque on a bar magnet; magnetic field lines
- Magnetic permeability, susceptibility, intensity of magnetisation, retentivity and coercivity; B-H loop (qualitative)
- Earth's magnetic field and magnetic elements; dia-, para- and ferromagnetic substances; electromagnets
Sem III – Unit 4: Electromagnetic Induction and Alternating Current (তড়িৎচুম্বকীয় আবেশ ও পরিবর্তী প্রবাহ)
- Magnetic flux; Faraday's laws; induced emf and current; Lenz's law; eddy current
- Self and mutual inductance; inductance of a solenoid and of two coaxial solenoids (qualitative)
- Alternating current: peak and RMS values, reactance and impedance
- Phasor diagram; purely resistive, inductive and capacitive circuits; LR, CR and LCR series circuits; resonance
- LC oscillator (qualitative); power in AC circuits, power factor, wattless current
- AC generator and transformer
Sem III – Unit 5: Electromagnetic Waves (তড়িৎচুম্বকীয় তরঙ্গ)
- Displacement current (basic idea)
- Electromagnetic waves and their characteristics (qualitative); transverse nature
- Electromagnetic spectrum (radio waves to gamma rays) and uses
Sem IV – Unit 6: Optics (আলোকবিজ্ঞান)
- Reflection at spherical mirrors, mirror formula; refraction; total internal reflection and optical fibres
- Refraction at spherical surfaces; thin lens formula; lens maker's formula; displacement method; magnification and power of a lens
- Combination of thin lenses and of lens and mirror
- Refraction and dispersion through a prism; scattering of light (blue sky, red sun at sunrise and sunset)
- Human eye, image formation and accommodation; myopia and hypermetropia (qualitative)
- Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers
- Wavefront and Huygens' principle; reflection and refraction of plane waves
- Interference: Young's double slit experiment, coherent sources, conditions for maxima and minima, fringe width
- Diffraction due to a single slit (Fraunhofer), width of central maximum; resolving power of microscope and telescope
- Polarisation, plane polarised light, Brewster's law, uses of polaroids
Sem IV – Unit 7: Dual Nature of Radiation and Matter (বিকিরণ ও পদার্থের দ্বৈত প্রকৃতি)
- Dual nature of radiation; photoelectric effect
- Hertz and Lenard's observations; Einstein's photoelectric equation; particle nature of light
- Matter waves; de Broglie relation and simple applications
Sem IV – Unit 8: Atoms and Nuclei (পরমাণু ও নিউক্লিয়াস)
- Alpha-particle scattering; Rutherford's model; Bohr model of hydrogen-like atoms, energy levels, hydrogen spectrum
- X-ray production, continuous and characteristic X-rays; Moseley's law
- Composition and size of nucleus; atomic mass, isotopes, isobars, isotones
- Radioactivity: alpha, beta and gamma rays; radioactive decay law
- Mass-energy relation, mass defect, binding energy per nucleon; nuclear fission and fusion
Sem IV – Unit 9: Electronic Devices (ইলেকট্রনিক ডিভাইস)
- Thermionic emission; basic idea of vacuum diode and triode
- Energy bands in conductors, insulators and semiconductors (qualitative); intrinsic and extrinsic semiconductors
- P-N junction diode: forward and reverse bias, I-V characteristics
- LED, photodiode, solar cell and Zener diode; Zener diode as a voltage regulator
- Junction transistor (npn, pnp), transistor action and characteristics; transistor as an amplifier (common emitter) and as a switch
- Analogue and digital signals; decimal and binary numbers
- Logic gates OR, AND, NOT, NAND, NOR; truth tables; simple combinations of gates
Sem IV – Unit 10: Communication System (যোগাযোগ ব্যবস্থা)
- Elements of a communication system (block diagram)
- Amplitude and frequency modulation
- Bandwidth of signals (speech, TV, digital data) and of transmission media
- Propagation of electromagnetic waves: sky wave and space wave (qualitative)
Chemistry
Sem III – Unit 1: Liquid State (তরল অবস্থা – দ্রবণ ও কোলয়েড)
- Solubility of gases in liquids, solid solutions
- Vapour pressure and Raoult's law
- Colligative properties: relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, osmotic pressure
- Molecular mass from colligative properties; abnormal molecular mass; van't Hoff factor
- Colloids: true solutions, colloids and suspensions; lyophilic, lyophobic and multimolecular colloids
- Tyndall effect, Brownian movement, electrophoresis, coagulation; emulsions and their types
Sem III – Unit 2: p-Block Elements, Groups 15 to 18 (p-ব্লক মৌল)
- Group 15: electronic configuration, oxidation states; NH3, HNO3, NCl3; oxides of nitrogen (structure); white and red phosphorus; phosphine, PCl3, PCl5; oxoacids (elementary)
- Group 16: oxides; ozone; allotropes of sulphur; oxides, oxoacids and peracids of sulphur
- Group 17: trends; oxides, oxoacids and interhalogen compounds; pseudohalogens and polyhalides (elementary)
- Group 18: uses of noble gases; XeO2, XeO3, XeF2, XeF4, XeF6, XeOF2
Sem III – Unit 3: Haloalkanes and Haloarenes (হ্যালোঅ্যালকেন ও হ্যালোঅ্যারিন)
- Nomenclature, nature of C-X bond, physical and chemical properties
- Substitution reaction mechanism; stability of carbocations; R/S and D/L configurations
- Uses and environmental effects of dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons and DDT
- Haloarenes: substitution reactions, directive influence of halogen (monosubstituted compounds)
Sem III – Unit 4: Alcohols, Phenols and Ethers (অ্যালকোহল, ফেনল ও ইথার)
- Alcohols: nomenclature, preparation, properties; identifying primary, secondary and tertiary alcohols; mechanism of dehydration; uses of methanol and ethanol
- Phenols: nomenclature, preparation, properties, acidic nature, electrophilic substitution, uses
- Ethers: nomenclature, preparation, properties, uses
Sem III – Unit 5: Biomolecules (জৈব অণু)
- Carbohydrates: aldoses and ketoses; glucose and fructose; D/L configuration; sucrose; starch and cellulose
- Proteins: alpha-amino acids, peptide bond, polypeptides, primary structure, denaturation; enzymes
- Nucleic acids: DNA and RNA (basic idea)
Sem III – Unit 6: Polymers (পলিমার)
- Natural and synthetic polymers; addition and condensation polymerisation; copolymerisation
- Polythene, nylon, polyesters, bakelite and rubber
- Biodegradable and non-biodegradable polymers
Sem IV – Unit 1: Electrochemistry (তড়িৎ-রসায়ন)
- Redox reactions; conductance in electrolytic solutions; specific and molar conductivity; variation with concentration; Kohlrausch's law
- Electrolysis and laws of electrolysis (elementary); dry cell
- Electrolytic and galvanic cells; emf; standard electrode potential
- Nernst equation; relation between Gibbs energy change and emf
- Fuel cells; Li-ion battery
Sem IV – Unit 2: Chemical Kinetics (রাসায়নিক গতিবিদ্যা)
- Average and instantaneous rate; factors affecting rate
- Order and molecularity; rate law and rate constant
- Integrated rate equations and half-life (zero and first order)
- Collision theory (elementary); activation energy; Arrhenius equation
- Homogeneous, heterogeneous and enzyme catalysis
Sem IV – Unit 3: d- and f-Block Elements (d- ও f-ব্লক মৌল)
- Transition metals: configuration, occurrence, trends in the first row (ionic radii, ionisation enthalpy, oxidation states, colour, catalytic and magnetic properties)
- Preparation and properties of K2Cr2O7 and KMnO4
- Lanthanoids: configuration, oxidation states, lanthanoid contraction and its effects, uses
- Actinoids: configuration, oxidation states, comparison with lanthanoids, uses
Sem IV – Unit 4: Coordination Compounds (সন্নিবেশ যৌগ)
- Ligands and their classification (denticity, field strength); coordination number; colour, magnetic properties and shape
- IUPAC nomenclature of mononuclear complexes; EAN rule
- Bonding: Werner's theory, VBT and CFT; CFSE
- Structural and stereo-isomerism
- Importance in qualitative analysis, metal extraction and biological systems
Sem IV – Unit 5: Aldehydes, Ketones and Carboxylic Acids (অ্যালডিহাইড, কিটোন ও কার্বক্সিলিক অ্যাসিড)
- Nomenclature and nature of the carbonyl group
- Preparation and properties of aldehydes and ketones; nucleophilic addition mechanism; reactivity of alpha-hydrogen; uses
- Carboxylic acids: nomenclature, acidic nature, preparation, properties, uses
Sem IV – Unit 6: Organic Compounds containing Nitrogen (নাইট্রোজেনযুক্ত জৈব যৌগ)
- Nitro compounds: preparation and reduction
- Amines: nomenclature, classification, structure, preparation, properties, uses; identifying primary, secondary and tertiary amines
- Cyanides and isocyanides: preparation, hydrolysis and reduction
- Diazonium salts: preparation, reactions and importance in synthesis
Biological Science
Sem III – Chapter 1: Sexual Reproduction in Flowering Plants (সপুষ্পক উদ্ভিদের যৌন জনন)
- Flower structure; development of male and female gametophytes
- Pollination: types, agencies, examples; outbreeding devices; pollen-pistil interaction
- Double fertilisation; development of endosperm and embryo, seed and fruit
- Apomixis, parthenocarpy, polyembryony; seed dispersal
Sem III – Chapter 2: Human Reproduction (মানুষের জনন)
- Male and female reproductive systems; histology of testis and ovary
- Gametogenesis: spermatogenesis and oogenesis; menstrual cycle
- Fertilisation, embryo development up to blastocyst, implantation
- Pregnancy and placenta; parturition and its neuroendocrine control; lactation
Sem III – Chapter 3: Reproductive Health (জনন স্বাস্থ্য)
- Need for reproductive health; prevention of STDs
- Birth control, contraception and MTP; amniocentesis
- Infertility and assisted reproductive technologies: IVF, ZIFT, GIFT (elementary)
Sem III – Chapter 4: Principles of Inheritance and Variation (বংশগতি ও প্রকরণের নীতি)
- Mendelian inheritance; incomplete dominance, co-dominance, multiple alleles and blood groups, pleiotropy, polygenic inheritance
- Chromosome theory of inheritance; sex determination in humans, birds and honeybees
- Linkage and crossing over; sex-linked inheritance: haemophilia, colour blindness
- Thalassemia; pedigree analysis; Down's, Turner's and Klinefelter's syndromes
Sem III – Chapter 5: Molecular Basis of Inheritance (বংশগতির আণবিক ভিত্তি)
- DNA as genetic material: Griffith; Avery, MacLeod and McCarty; Hershey and Chase
- Structure of DNA and RNA; DNA packaging; DNA replication
- Central dogma; transcription; genetic code; translation
- Gene expression and regulation: lac operon
- Genome; Human and Rice Genome Projects; DNA fingerprinting
Sem III – Chapter 6: Evolution (অভিব্যক্তি)
- Origin of life; evidences of evolution (palaeontology, comparative anatomy, embryology, molecular)
- Darwin's contribution; modern synthetic theory
- Variation (mutation, recombination) and natural selection; types of natural selection
- Gene flow and genetic drift; Hardy-Weinberg principle; adaptive radiation; human evolution
Sem IV – Chapter 7: Human Health and Diseases (মানব স্বাস্থ্য ও রোগ)
- Immune system, antigen, antibody, antigen-antibody reaction; types of immunity; vaccines
- Malaria, filariasis, chikungunya, dengue, ascariasis, typhoid, pneumonia, common cold, amoebiasis, ringworm, SARS (COVID): causes, transmission, prevention
- Allergy and autoimmune disorders; cancer, HIV and AIDS
- Adolescence: drug and alcohol abuse
Sem IV – Chapter 8: Improvement in Food Production (খাদ্য উৎপাদনের উন্নতি)
- Plant breeding
- Tissue culture
- Single cell protein
Sem IV – Chapter 9: Microbes in Human Welfare (মানবকল্যাণে জীবাণু)
- Microbes in food processing and industrial production
- Sewage treatment and energy generation
- Bio-control agents and biofertilisers
- Antibiotics: production and judicious use
Sem IV – Chapter 10: Biotechnology and its Applications (জীবপ্রযুক্তি ও তার প্রয়োগ)
- Principles and process of genetic engineering (recombinant DNA technology)
- Applications in health and agriculture; human insulin and vaccine production; stem cell therapy; gene therapy
- Genetically modified organisms: Bt crops; transgenic animals
- Biosafety, biopiracy and patents
Sem IV – Chapter 11: Organisms and Populations (জীব ও পপুলেশন)
- Environment, habitat and niche
- Population interactions: mutualism, competition, predation, parasitism
- Population attributes: growth, birth rate, death rate, age distribution
Sem IV – Chapter 12: Ecosystem (বাস্তুতন্ত্র)
- Ecosystem pattern and components
- Productivity and decomposition; energy flow
- Pyramids of number, biomass and energy
- Ecological succession
Sem IV – Chapter 13: Biodiversity and its Conservation (জীববৈচিত্র্য ও তার সংরক্ষণ)
- Biodiversity: concept, patterns, importance; loss of biodiversity
- Conservation; hotspots; endangered organisms; extinction; Red Data Book
- Sacred groves, biosphere reserves, national parks, wildlife sanctuaries, Ramsar sites
Sem IV – Chapter 14: Environmental Issues (পরিবেশগত সমস্যা)
- Solid waste management; radioactive waste management
- Chipko movement, Dasholi Gram Swarajya Mandal, Silent Valley movement, Amrita Devi Bishnoi movement
Mathematics
Sem III – Relations and Functions (সম্বন্ধ ও অপেক্ষক)
- Reflexive, symmetric, transitive and equivalence relations
- One-one and onto functions; composite functions; inverse of a function
Sem III – Inverse Trigonometric Functions (বিপরীত ত্রিকোণমিতিক অপেক্ষক)
- Definition, range, domain, principal value branches
- Graphs and elementary properties
Sem III – Matrices (ম্যাট্রিক্স)
- Types of matrices; transpose; symmetric and skew-symmetric matrices
- Addition, multiplication and scalar multiplication and their properties; non-commutativity
- Non-zero matrices with zero product (order 2); invertible matrices and uniqueness of inverse
Sem III – Determinants (নির্ণায়ক)
- Determinants up to 3 × 3; properties; minors and cofactors
- Area of a triangle using determinants
- Adjoint and inverse of a matrix; consistency of linear equations; solving equations in two or three variables using the inverse
Sem III – Continuity and Differentiability (সন্ততা ও অবকলনযোগ্যতা)
- Continuity and differentiability; chain rule
- Derivatives of inverse trigonometric, implicit, exponential and logarithmic functions
- Logarithmic differentiation; parametric forms; second order derivatives
Sem III – Application of Derivatives (অবকলজের প্রয়োগ)
- Rate of change of quantities
- Increasing and decreasing functions
- Tangents and normals
- Maxima and minima (first and second derivative tests); real-life problems
Sem III – Probability (সম্ভাবনা)
- Conditional probability; multiplication theorem; independent events
- Total probability; Bayes' theorem
- Random variable and its probability distribution; mean and variance
Sem IV – Vectors (ভেক্টর)
- Magnitude and direction; direction cosines and ratios; types of vectors; position vector
- Addition and scalar multiplication; section formula
- Scalar (dot) and vector (cross) products: meaning, properties, uses
Sem IV – Three-Dimensional Geometry (ত্রিমাত্রিক জ্যামিতি)
- Coordinate axes and planes; distance between two points
- Direction cosines and direction ratios of a line
- Cartesian and vector equations of a line; skew lines; shortest distance; angle between two lines
Sem IV – Integrals (সমাকলন)
- Integration as inverse of differentiation
- Integration by substitution, partial fractions and by parts
- Standard integrals of the forms listed in the syllabus (x² ± a², a² − x², ax² + bx + c and related forms)
- Fundamental theorem of calculus (without proof); properties and evaluation of definite integrals
Sem IV – Application of Integrals (সমাকলনের প্রয়োগ)
- Area under simple curves: lines, circles, parabolas and ellipses (standard form)
Sem IV – Differential Equations (অবকল সমীকরণ)
- Order and degree; general and particular solutions
- Variable separable method; homogeneous equations of first order and first degree
- Linear equations dy/dx + Py = Q and dx/dy + Px = Q
Sem IV – Linear Programming (রৈখিক প্রোগ্রামিং)
- Constraints, objective function, optimisation
- Graphical method for two variables; feasible and infeasible regions (bounded or unbounded)
- Optimal feasible solutions (up to three non-trivial constraints)
Accountancy
Sem III – Unit 1: Accounting for Partnership Firms – I (অংশীদারি কারবারের হিসাব – I)
- Partnership: features, partnership deed; Indian Partnership Act 1932 provisions without a deed
- Fixed and fluctuating capital accounts
- Profit and Loss Appropriation Account; guarantee of profits; interest on partner's loan as a charge
- Past adjustments: interest on capital and drawings, salary, profit-sharing ratio
- Goodwill: meaning, nature, factors; average profit, super profit and capitalisation methods; Accounting Standard on goodwill
Sem III – Unit 2: Accounting for Company – I (কোম্পানির হিসাব – I)
- Features and types of companies; shares and share capital
- Debentures: meaning and types; issue at par, premium and discount
- Issue for consideration other than cash; issue with terms of redemption
- Writing off discount or loss on issue of debentures (AS 16)
Sem III – Unit 3: Analysis of Financial Statements (আর্থিক বিবরণীর বিশ্লেষণ)
- Meaning, significance, objectives and limitations of financial statement analysis
- Liquidity ratios: current, quick
- Solvency ratios: debt to equity, total assets to debt, proprietary, interest coverage, debt to capital employed
- Activity ratios: inventory, trade receivables, trade payables, fixed asset, net asset and working capital turnover
- Profitability ratios: gross profit, operating, operating profit, net profit, return on investment
- Comparative statements, common size statements
Sem IV – Unit 1: Accounting for Partnership Firms – II (অংশীদারি কারবারের হিসাব – II)
- Change in profit-sharing ratio: sacrificing and gaining ratio; revaluation; reserves and accumulated profits and losses
- Admission of a partner: goodwill, revaluation, capital adjustment, balance sheet
- Retirement and death of a partner: goodwill, revaluation, loan account of retiring partner, deceased partner's share of profit, executor's account
- Dissolution of a firm: Realisation Account and related accounts (no piecemeal distribution, sale to a company or insolvency)
Sem IV – Unit 2: Accounting for Company – II (Share Capital) (কোম্পানির হিসাব – II)
- Issue and allotment of equity and preference shares, including simple pro-rata allotment
- Over- and under-subscription; issue at par and premium; calls in advance and in arrears (no interest); issue for consideration other than cash
- Forfeiture and reissue of shares
- Disclosure of share capital in the balance sheet (Schedule III, Part I, Companies Act 2013)
Sem IV – Unit 3: Cash Flow Statement (নগদ প্রবাহ বিবরণী)
- Indirect method of AS-3 (Revised), without adjustments
- Meaning, objectives and benefits; cash and cash equivalents
- Classification of activities and preparation of the statement
Business Studies
Sem III – Unit 1: Nature and Significance of Management (ব্যবস্থাপনার প্রকৃতি ও তাৎপর্য)
- Concept, objectives and importance
- Management as science, art and profession; levels of management
- Functions: planning, organising, staffing, directing, controlling
- Coordination: characteristics and importance
Sem III – Unit 2: Principles of Management (ব্যবস্থাপনার নীতি)
- Concept, nature and significance
- Fayol's principles
- Taylor's scientific management: principles and techniques
Sem III – Unit 3: Business Environment (ব্যবসায়িক পরিবেশ)
- Concept and importance; economic, social, technological, political and legal dimensions
- Liberalisation, privatisation and globalisation and their impact on business
Sem III – Unit 4: Planning (পরিকল্পনা)
- Concept, importance, limitations; planning process
- Types of plans: objective, strategy, policy, procedure, method, rule, budget, programme
Sem III – Unit 5: Organising (সংগঠন)
- Concept, importance and steps
- Functional and divisional structure; formal and informal organisation
- Delegation and decentralisation
Sem III – Unit 6: Marketing Management – 1 (বিপণন ব্যবস্থাপনা – ১)
- Marketing: meaning, functions; marketing vs selling; marketing philosophies
- Marketing mix; product, branding, labelling, packaging
- Factors determining price; physical distribution and channels
Sem III – Unit 7: Consumer Protection (ক্রেতা সুরক্ষা)
- Concept and importance
- Consumer Protection Act, 2019: consumer, rights and responsibilities, who can complain, redressal machinery, remedies
- Role of consumer organisations and NGOs
Sem IV – Staffing (কর্মী সংস্থান)
- Concept and importance; staffing as part of human resource management
- Recruitment (meaning, sources) and selection process
- Training and development; on-the-job and off-the-job methods: vestibule, apprenticeship, internship
Sem IV – Directing (নির্দেশনা)
- Concept, importance and elements
- Supervision; motivation, Maslow's hierarchy, financial and non-financial incentives
- Leadership and qualities of a good leader
- Communication: formal and informal; barriers and how to overcome them
Sem IV – Controlling (নিয়ন্ত্রণ)
- Concept and importance
- Relationship between planning and controlling
- Steps in the control process
Sem IV – Financial Management (আর্থিক ব্যবস্থাপনা)
- Concept and objectives; investment, financing and dividend decisions
- Financial planning; financial structure and its factors
- Fixed and working capital and their factors
Sem IV – Financial Markets (আর্থিক বাজার)
- Money market and its instruments; capital market (primary and secondary)
- Stock exchange: functions, trading and settlement
- Dematerialisation and depositories (NSDL, CDSL); NSEI and BSE objectives
- SEBI: objectives and functions
Sem IV – Marketing Management – 2 (বিপণন ব্যবস্থাপনা – ২)
- Promotion and its elements
- Advertising: concept, role, objections
- Personal selling and qualities of a good salesman
- Sales promotion techniques; publicity
Economics
Sem III – Unit 1: National Income Accounting (জাতীয় আয় পরিমাপ)
- Stocks and flows; transfer payments; closed and open economy
- GDP, GNP, NDP, NNP, NI; factor cost and market price; intermediate and final goods; real and nominal income
- Product (value added), income and expenditure methods with simple numericals
- Difficulties in measuring national income
Sem III – Unit 2: Simple Keynesian System (সরল কেইনসীয় মডেল)
- Consumption and saving functions; MPC, APC, MPS, APS
- Cross-diagonal model; equilibrium income and effects of investment, government spending and taxes
- Paradox of thrift; basic idea of government budget and taxation
- Investment, government expenditure, tax and balanced budget multipliers
Sem III – Unit 3: Balance of Payments and Exchange Rate (লেনদেন ব্যালান্স ও বিনিময় হার)
- Current and capital account; autonomous and accommodating transactions
- Balance of payments vs balance of trade; causes and remedies of disequilibrium
- Fixed, flexible and managed float exchange rates; merits and demerits
Sem III – Unit 4: Brief Reference to Colonial Past (ঔপনিবেশিক অতীতের সংক্ষিপ্ত পরিচয়)
- British rule and agriculture: stagnation, land revenue system, forced commercialisation
- Decay of handicrafts; railways
- Foreign trade under British rule; drain of wealth (Dadabhai Naoroji)
Sem III – Unit 5: Evolving Features of Indian Economy (ভারতীয় অর্থনীতির পরিবর্তনশীল বৈশিষ্ট্য)
- Sectoral composition and occupational distribution before and after liberalisation
- Types of unemployment; employment programmes; jobless growth
- India and its neighbours: comparison with China
Sem III – Unit 6: Agriculture (কৃষি)
- Problems after independence; First Plan and Green Revolution
- Land reforms and Operation Barga; rural credit reforms
- Reforms after liberalisation; impact of globalisation
- Food security and Public Distribution System
Sem IV – Unit 1: Money, Banking and Inflation (অর্থ, ব্যাংক ব্যবস্থা ও মুদ্রাস্ফীতি)
- Concept and functions of money; money supply; credit creation; money multiplier
- Inflation: demand-pull, cost-push, stagflation
- Central bank functions; credit control: CRR, SLR, repo rate, bank rate, prime lending rate
Sem IV – Unit 2: Financing of Government Budget (সরকারি বাজেটের অর্থসংস্থান)
- Public vs private finance
- Tax and non-tax revenue; progressive, proportional, direct and indirect taxes; GST
- Budget deficits: revenue, fiscal, primary; monetisation of deficit; balanced budget multiplier
- Public debt: internal and external, short and long term
Sem IV – Unit 3: Industry (শিল্প)
- Second Five-Year Plan and the Mahalanobis model
- Industrial liberalisation of 1991 and its impact
- Shift from import substitution to export promotion; India in the WTO
- Small-scale and village industries
Sem IV – Unit 4: Service Sector (পরিষেবা ক্ষেত্র)
- Growth of the service sector in India
- Trade in services: finance, information technology, outsourcing
- Impact of liberalisation and globalisation
Sem IV – Unit 5: Inclusive Growth (অন্তর্ভুক্তিমূলক বৃদ্ধি)
- Definition and measurement; sustainable development and the 17 SDGs
- Inequality and poverty: head count ratio, poverty gap, Lorenz curve; programmes with reference to West Bengal
- Environmental problems of growth; Human Development Index
- NITI Aayog: concept, objectives, functions
Geography
Sem III – Physical: Geotectonics – Continental Drift (মহীসঞ্চরণ তত্ত্ব)
- Wegener's continental drift theory: concept, evidence, forces, criticism
Sem III – Physical: Geomorphic Processes (ভূমিরূপ প্রক্রিয়া: পুঞ্জক্ষয়, হিমবাহ, ভৌমজল)
- Mass wasting: definition and types
- Glaciers: types, erosional and depositional landforms
- Groundwater: sinkholes, dolines, caves, karst lakes; stalactites, stalagmites, pillars
Sem III – Physical: Climate – Water in the Atmosphere (ঘনীভবন ও অধঃক্ষেপণ)
- Condensation: formation and types
- Precipitation: formation and types
Sem III – Physical: Hydrosphere – Oceans (বারিমণ্ডল: সমুদ্রতল ও সমুদ্রজল)
- Ocean floor topography
- Temperature, salinity and density of ocean water
- Marine resources: minerals, food, power; ocean deposits
Sem III – Physical: Biosphere – Ecosystem (বাস্তুতন্ত্র)
- Nature, concept and types of ecosystem
- Trophic levels, food chain and food web
Sem III – Human: Population (জনসংখ্যা)
- Demography; world distribution and density
- Birth rate, death rate, migration (types)
- Age-sex pyramid
Sem III – Human: Settlement (জনবসতি)
- Types and patterns of settlement; factors of rural settlement
- Functional classification of towns; problems of rural and urban settlements
Sem III – India: Population of India (ভারতের জনসংখ্যা)
- Distribution, density, growth and composition
Sem III – India: Water Resources (জলসম্পদ)
- Water conservation and management; watershed management; rainwater harvesting
- Irrigation systems; sustainable use of water
Sem III – India: Mineral and Energy Resources (খনিজ ও শক্তি সম্পদ)
- Iron ore, manganese, bauxite, copper, mica
- Coal, petroleum, natural gas, nuclear energy
- Solar, wind, tidal, geothermal, biogas, OTEC
Sem III – India: Agriculture (কৃষি)
- Crop calendar, crop rotation, crop combination, cropping intensity
- Green, White and Blue revolutions
- Jute, cotton, sugarcane and tea
Sem III – India: Transport and Communication (পরিবহণ ও যোগাযোগ)
- Modes of transport and their importance
- Personal and mass communication
Sem III – India: Trade and Economy (বাণিজ্য)
- Concept, classification, bases and importance of trade
- Role of the WTO
Sem IV – Physical: Geotectonics – Sea-floor Spreading and Plates (সমুদ্রবক্ষ বিস্তার ও পাত সংস্থান)
- Sea-floor spreading: definition, evidence, causes
- Plates; types of plate boundaries and landforms
Sem IV – Physical: Geomorphic Processes (নদী, সমুদ্রতরঙ্গ ও বায়ুর কাজ)
- Fluvial landforms
- Coastal landforms
- Aeolian landforms; combined work of exogenic processes
Sem IV – Physical: Cycle of Erosion (ক্ষয়চক্র)
- W. M. Davis's concept of landform evolution
- Rejuvenation and resulting landforms
Sem IV – Physical: Atmosphere (বায়ুমণ্ডলীয় গোলযোগ ও জলবায়ু)
- Tropical and temperate cyclones; anticyclones
- Köppen's climatic classification
- Causes and evidence of climate change
Sem IV – Physical: Hydrosphere – Ocean Currents (সমুদ্রস্রোত)
- Movement of ocean currents and their effects
Sem IV – Physical: Biosphere – Biodiversity (জীববৈচিত্র্য)
- Definition, types, significance
- Causes of depletion; conservation strategies
Sem IV – Human: Population (জনসংখ্যা তত্ত্ব ও নীতি)
- Impact of migration; Malthusian theory
- Optimum, under- and over-population; demographic transition model
- Population control and policy
Sem IV – Human: Human Development (মানব উন্নয়ন)
- Concept and measurement: HDI, human poverty index
- Welfare approach; Amartya Sen's capability approach
Sem IV – India: Industries (ভারতের শিল্প)
- Food processing; commercial marine fishing; paper
- Iron and steel; petrochemicals; automobiles
- Information and communication technology
Sem IV – India: Human Settlement and Development (জনবসতি ও উন্নয়ন)
- Settlement types in India
- Land use and land cover; size of holdings and fragmentation
- Sustainable development in India
Sem IV – India: Selected Issues and Problems (নির্বাচিত ভৌগোলিক সমস্যা)
- Water pollution in the Ganga basin
- Air pollution in Kolkata and the National Capital Region
- Arsenic pollution in southern West Bengal
- Human-wildlife conflict in the Dooars and Sundarbans
- Land degradation in Jangalmahal
History
Sem III – Through the Eyes of the Travellers (পর্যটকদের চোখে ভারত)
- Society and polity of India, 10th to 17th centuries, from travellers' accounts
- Al-Biruni, Marco Polo, Ibn Battuta, Abdur Razzak, François Bernier
- Administration, economy, social and religious life, literature, art and architecture
Sem III – Cultural Amalgamation: Bhakti and Sufi (ভক্তি ও সুফি আন্দোলন)
- Bhakti saints: Kabir, Guru Nanak, Chaitanya Dev, Meerabai; impact of Bhakti ideas
- Origins of Sufism; Sufi orders in India; impact
Sem III – Imperial Capital: Vijayanagar, Bahmani and Bengal (বিজয়নগর, বাহমনি ও বাংলা)
- Vijayanagar and Bahmani kingdoms; Bahmani successor states
- Bengal under the Iliyas Shahi and Hussain Shahi dynasties
- Administration, society, economy, religion, culture, art, architecture, literature
Sem III – Colonialism and Imperialism in the 19th and 20th Centuries (ঔপনিবেশিকতাবাদ ও সাম্রাজ্যবাদ)
- Colonisation in Asia and the New World (17th and 18th centuries)
- From mercantile to industrial and finance capital
- Political and economic domination of colonies; racism; neo-imperialism
Sem III – The Levers of Colonial Control (ঔপনিবেশিক নিয়ন্ত্রণের হাতিয়ার)
- India as a colonised state
- Law, legislature, bureaucracy, police and army
- Subordination of the colonial economy
Sem IV – Rebels and Raj: Revolt of 1857 (১৮৫৭-র বিদ্রোহ)
- Causes, character, failure and impact of the Revolt
Sem IV – Nationalism and Separatism (জাতীয়তাবাদ ও বিচ্ছিন্নতাবাদ)
- Aligarh Movement, Sayyid Ahmed Khan, two-nation theory; Muslim League; Hindu Mahasabha; path to Pakistan
- Congress (1885); Moderates; Surat Split (1907); Extremists: Tilak, Pal, Aurobindo Ghosh, Lajpat Rai; revolutionaries in Bengal, Punjab, Maharashtra
- First World War and India; Gandhi and Satyagraha: Champaran, Kheda, Ahmedabad; Non-Cooperation (1921-22); Civil Disobedience (1930)
- Quit India (1942); Subhas Chandra Bose and the INA; Naval Mutiny; Cabinet Mission; Mountbatten Plan; Partition and Independence
Sem IV – Framing of the Constitution (সংবিধান রচনা)
- Making of the Indian Constitution
- Salient features, with emphasis on social, economic and women's empowerment
Sem IV – Nation Formation and Related Aspects (জাতি গঠন)
- Five-Year Plans; Nehru and Non-Alignment
- Liberalisation of the 1990s
- 1971 Indo-Pak war; formation of Bangladesh and its impact on India
Political Science
Sem III – Unit 1: International Relations after the Second World War (দ্বিতীয় বিশ্বযুদ্ধোত্তর আন্তর্জাতিক সম্পর্ক)
- Cold War: bipolarity and its end; NATO and Warsaw Pact
- Non-Aligned Movement: origin, aims, leaders, present relevance
Sem III – Unit 2: International Organisations and Institutions (আন্তর্জাতিক সংগঠন)
- United Nations: aims and principles
- General Assembly, Security Council, Secretary-General
- UNICEF, UNESCO, WHO; World Bank and IMF
Sem III – Unit 3: Security in the Contemporary World (সমকালীন বিশ্বে নিরাপত্তা)
- Traditional security: internal and external
- Non-traditional security: human security, terrorism, migration, poverty, epidemics, environment
Sem III – Unit 4: Challenges of Nation-Building (জাতি গঠনের চ্যালেঞ্জ)
- Partition and the refugee problem
- Integration of princely states: Jammu and Kashmir, Manipur, Hyderabad
- Linguistic reorganisation of states; newly created states
Sem III – Unit 5: Political Parties and Party System (রাজনৈতিক দল ও দলব্যবস্থা)
- Definition, features and functions of political parties
- National and regional parties: criteria
Sem III – Unit 6: India's Foreign Policy (ভারতের বিদেশনীতি)
- Relations with neighbours since 2000: Sri Lanka, Pakistan, Bangladesh, Nepal, Bhutan, Maldives
- Relations with the USA, Russia and China after the Cold War
- India's nuclear policy
Sem IV – Unit 1: International Relations – Key Concepts and Political Doctrines (আন্তর্জাতিক সম্পর্কের মূল ধারণা)
- Evolution of International Relations as a discipline
- Realism, idealism, liberalism, Marxism
Sem IV – Unit 2: Major Regional Organisations (আঞ্চলিক সংগঠন)
- European Union
- SAARC
- ASEAN
Sem IV – Unit 3: Globalisation (বিশ্বায়ন)
- Definition and features
- Economic, political and cultural consequences
- India and globalisation
Sem IV – Unit 4: Organs of the Indian Government (ভারতের সরকারের বিভাগ)
- Executive: President, Prime Minister, Governor, Chief Minister, bureaucracy
- Legislature: Lok Sabha, Rajya Sabha, Vidhan Sabha; Speaker of the Lok Sabha
- Judiciary: Supreme Court, High Court, PILs, consumer courts
Sem IV – Unit 5: Contemporary Civil Society Movements in India (নাগরিক সমাজ আন্দোলন)
- Civil society movements: concept and importance
- Narmada Bachao Andolan
- Chipko Movement
Sem IV – Unit 6: Constitutional Amendments and Local Self-Government (সংবিধান সংশোধন ও স্থানীয় স্বায়ত্তশাসন)
- Amendment methods (Article 368)
- 73rd Amendment: three-tier panchayat system
- 74th Amendment: municipalities and corporations
Bengali A (বাংলা – ক)
Units and marks (বিভাগ ও নম্বর)
- Semester III (MCQ, 40): গল্প 8, প্রবন্ধ 5, কবিতা 7, ভারতীয় গল্প ও আন্তর্জাতিক কবিতা 5, ভাষা 10, বাংলা শিল্প-সাহিত্য ও সংস্কৃতির ইতিহাস 5
- Semester IV (written, 40): গল্প 5, কবিতা 5, নাটক 5, পূর্ণাঙ্গ সহায়ক গ্রন্থ 10, বাংলা শিল্প-সাহিত্য ও সংস্কৃতির ইতিহাস 5, প্রবন্ধ রচনা 10
- Only the language (ভাষা) chapters are listed below. Literature texts are prescribed in the official syllabus.
Sem III – Language, Chapter 1: Linguistics and Its Branches (ভাষাবিজ্ঞান ও তার শাখা-প্রশাখা)
- ভাষাবিজ্ঞান ও তার শাখা-প্রশাখা (the official syllabus gives the chapter title only)
Sem III – Language, Chapter 2: Phonetics and Phonology (ধ্বনিতত্ত্ব)
- ধ্বনিতত্ত্ব (the official syllabus gives the chapter title only)
Sem III – Language, Chapter 3: Semantics (শব্দার্থতত্ত্ব)
- শব্দার্থতত্ত্ব (the official syllabus gives the chapter title only)
Sem IV – Essay writing (প্রবন্ধ রচনা)
- A short passage gives the opening of an essay; you complete the essay
- Or, points and facts are given; you build the essay from them
English B (ইংরেজি – খ)
Units and marks
- Semester III (MCQ, 40): Prose 10, Verse 10, Drama 5, Textual Grammar 5, Reading Comprehension (unseen) 10
- Semester IV (written, 40): Prose 10, Verse 10, Drama 5, Non-Textual Grammar 5, Writing 10
- Only grammar, comprehension and writing are listed below. Literature texts are prescribed in the official syllabus.
Sem III – Textual Grammar (ব্যাকরণ)
- Synthesis and splitting of sentences
- Change of narration
- Correction of errors
- Sentences are taken from the Semester III prose and verse texts
Sem III – Reading Comprehension, unseen (অপঠিত অনুচ্ছেদ)
- 5 questions on grammar and vocabulary items
- 5 questions on understanding and inference
Sem IV – Non-Textual Grammar (ব্যাকরণ)
- Synthesis and splitting of sentences (2 marks, 1 of 2)
- Change of narration: fill in the blanks to report a paragraph or conversation (3 × 1 mark)
- Correction of errors
Sem IV – Writing (রচনা)
- Essay writing (150 words), 10 marks
- Or drafting an email (75 words) and blog writing (75 words), 5 marks each
Practise for West Bengal free
Practise the common sections (reasoning, GK, maths, English) with free Class 12 chapter tests and mocks — full solutions, no sign-up.
Official sources
- WBCHSE official website (home page) ↗
- WBCHSE Routine page (lists the Semester IV 2027 routine title with no file yet, checked 15 October 2026) ↗
- Routine of Semester III, HS Examination 2027 (No. L/PR/242/2026, dated 25.06.2026, original) ↗
- Notice: partially revised routine of Semester III, HS 2027, due to bye-elections (No. L/PR/348/2026, dated 10.09.2026) ↗
- Notice: partially revised routine due to Karam Puja, with full revised Semester III 2027 routine (Nos. L/PR/356/2026 and L/PR/357/2026, dated 15.09.2026) ↗
- Notice: online admit card of Semester III and Semester III Supplementary, HS 2027, on 27.08.2026 (No. L/PR/317/2026, dated 18.08.2026) ↗
- Notice: examinees may use any of the admit cards issued for Semester III, HS 2027 (No. L/PR/367/2026, dated 20.09.2026) ↗
- Notice: Semester III HS 2027 answer key and online challenge, ₹200 per question (No. L/PR/422/2026, dated 14.10.2026) ↗
- Annual Working Plan for the Academic Year 2026-27 (No. L/PR/214/2026, dated 14.05.2026) ↗
- Notice: news about cancellation of the semester system for HS 2027 is false (No. L/PR/180/2026, dated 02.04.2026) ↗
- Semester 3 Question Patterns – Class XII (Download Centre, 03.07.2026) ↗
- Notice: Semester 4 question pattern (No. L/PR/553/25, dated 25.09.2025) ↗
- Notice: subject-wise Semester IV question patterns, with the '2x' choice rule (No. L/PR/560/25, dated 03.10.2025) ↗
- Notice: minor changes to Semester IV pattern for Bengali-A, English-A, Psychology, Nepali (No. L/PR/563/25, dated 09.10.2025) ↗
- WBCHSE Curriculum & Syllabus – Languages (Bengali-A, English-B and others) ↗
- WBCHSE Curriculum & Syllabus – Set I (science subjects) ↗
- WBCHSE Curriculum & Syllabus – Set II (commerce subjects) ↗
- WBCHSE Curriculum & Syllabus – Set III (humanities subjects) ↗
- Syllabus: Physics (PHYS) ↗
- Syllabus: Chemistry (CHEM) ↗
- Syllabus: Biological Science (BIOS) ↗
- Syllabus: Mathematics (MATH) ↗
- Syllabus: Accountancy (ACCT) ↗
- Syllabus: Business Studies (BSTD) ↗
- Syllabus: Economics (ECON) ↗
- Syllabus: Geography (GEGR) ↗
- Syllabus: History (HIST) ↗
- Syllabus: Political Science (POLS) ↗
- Syllabus: Bengali-A (BNGA) ↗
- Syllabus: English-B (ENGB) ↗
- WBCHSE (Examination) Regulations, 2024 – Kolkata Gazette, 21.08.2024 (Download Centre) ↗
- WBCHSE Examination (Amendment) Regulations – Kolkata Gazette Notification No. WBCHSE/Examination (Amend.)/Gaz-01/2026, dated 24.02.2026 (Download Centre) ↗
- WBCHSE (Admission and Allied Matters) Regulations, 2024 (Download Centre) ↗
- Notice: modification of Examination Regulation 2024 – 30% pass rule wording (No. L/PR/250/2025, dated 25.04.2025) ↗
- Routine of Semester III, HS Examination 2026 (No. L/PR/271/2025, dated 07.05.2025) ↗
- Routine of Semester IV, HS Examination 2026 (No. L/PR/272/2025, dated 07.05.2025) ↗
- Routine of Supplementary Examination of Semester III, HS Examination 2026 (No. L/PR/273/2025, dated 07.05.2025) ↗
- Guidelines to Conduct Higher Secondary Examinations, 2026 (uploaded 12.12.2025) ↗
- Notice: 10 minutes reading time in Semester IV, HS 2026 (No. L/PR/646/2025, dated 17.12.2025) ↗
- Notice: admit card of Semester IV and Semester III Supplementary, HS 2026, moved to 28.01.2026 (No. L/PR/025/2026, dated 21.01.2026) ↗
- Notice: publication of Semester III result, HS 2026, on 31.10.2025 (No. L/PR/571/2025, dated 29.10.2025) ↗
- Notice: answer keys of all subjects, Semester III HS 2026 (11.11.2025) ↗
- Notice: HS Examinations 2026 result on 14.05.2026 (No. L/PR/204/2026, dated 08.05.2026) ↗
- Notice: HS Examination 2025 result on 07.05.2025 (No. L/PR/251/2025, dated 28.04.2025) ↗
- Rules for Post Publication Scrutiny (PPS) / Post Publication Review (PPR), Semester IV and HS under Old System, 2026 (No. L/PR/209/2026, dated 11.05.2026) ↗
- Notice: option to improve Semester IV marks by surrendering the mark sheet (No. L/PR/213/2026, dated 13.05.2026) ↗
- WBCHSE Subject-wise Model Question Paper Books (Class XII Semester IV question banks; cover pages only online) ↗
- WBCHSE Download Centre (question patterns, question banks, model papers) ↗
- Official result portal named in WBCHSE result notices ↗
- Notice: Semester III Supplementary exam will be held again with Semester IV of HS 2027 (No. L/PR/283/2026, dated 23.07.2026) ↗