Class-12-exams
Syllabus
Odisha Board Higher Secondary Examination Syllabus 2026
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Odisha Board Higher Secondary Examination Syllabus
CHSE Odisha Syllabus 2022-23
The Council of Higher Secondary Education, Odisha (CHSE) has released the syllabus for the 2022-23 session for Science, Arts, and Commerce streams. It is available on the official website, chseodisha.nic.in. The syllabus follows the CBSE pattern for all classes up to Class 12.
Chapters essential for national-level competitive examinations are retained in the syllabus. The Odisha Class 12 board exam for 2022 was conducted from April 28 to May 31, 2022.
The CHSE Odisha will declare the Odisha Board 12th result in July 2022 for all streams.
CHSE Odisha Highlights 2022-23
Key details about the CHSE Odisha examination are listed below.
| Particular | Detail |
|---|---|
| Name of Board | Council of Higher Secondary Education, Odisha (CHSE) |
| Name of Examination | CBSE Class 12th Board Examination |
| Mode of Examination | Offline |
| Established Year | 1982 |
| Official Website | chseodisha.nic.in/ |
Class 12 Subjects
There are 5 compulsory subjects in Class 12 along with 2 optional subjects. The elective subject can be any language paper among Urdu, Hindi, Sanskrit, Odia, Farsi, and Telugu.
Students can select mainstream subjects like Economics, Mathematics, Biology, and others depending on their stream.
| Compulsory Subject | Elective Subject (Science) | Elective Subject (Arts) |
|---|---|---|
| English | Physics | History |
| M.I.L. (Oriya / Telugu / Bengali / Urdu & Persian / Hindi / Sanskrit / Alternative English) | Chemistry | Political Science |
| Environmental Education | Mathematics/Biology/Geology | Economics/IRPM |
| Yoga | Electronics/Statistics/Geography/Computer Science/Information Technology/Biotechnology/Economics/Sanskrit | Mathematics/Home Science |
| Basic Computer Education | Logi/Geography | |
| Education/Psychology/Indian Music | ||
| Odia/Sanskrit/Persian/Hindi/Urdu/Bengali/Telugu | ||
| Anthropology/Sociology/Statistics | ||
| Information Technology |
CHSE Odisha English Syllabus 2022-23
English is a common subject for all streams. The English syllabus has a total of 5 units. The other sections for the CHSE Odisha exam are writing and grammar.
| Units | Topics |
|---|---|
| Prose | My Greatest Olympic Prize, On Examinations, The Portrait of a Lady |
| Poetry | Daffodils, The Ballad of Father Gilligan, A Psalm of Life |
| Non-detailed study | The Doctor's Word, Stay Hungry. Stay Foolish, The Mystery of the Missing Cap |
| Writing Skills | Interpreting Graph, Charts, Tables and Diagrams, Reporting Events and Business Matters, Extended Writing |
| Grammar | The Passive, Direct and Reported Speech, Interrogatives, Phrasal Verbs |
Prescribed Books for Odisha CHSE English
| Book | Publisher |
|---|---|
| Invitation to English- 1, 2, 3, 4 | Odisha State Bureau of Text Book Preparation and Production |
CHSE Odisha Chemistry Syllabus 2022-23
Chemistry is one of the lengthiest papers in the Class 12 syllabus.
Chemistry Syllabus for CHSE Odisha Class 12
The Chemistry syllabus for the Odisha Board Class 12 exam is divided into 15 chapters. The table below lists the chapters and the main topics covered in each.
| Chapters | Topics |
|---|---|
| Solid State | Classification of solids based on different binding forces – Amorphous and crystalline solids, Unit cell in two dimensional and three-dimensional lattices, calculation of density of unit cell, Packing in solids, packing efficiency, voids, number of atoms per unit cell in a cubic unit cell. Point defects, electrical and magnetic properties. Band theory of metals, conductors, semiconductors and insulators and n & p-type semiconductors. |
| Solutions | Types of solutions, expression of concentration of solutions of solids in liquids, the solubility of gases in liquids solid solutions, colligative properties. Relative lowering of vapour pressure, Raoult’s law, the elevation of boiling point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative properties, abnormal molar mass, van’t Hoff factor. |
| Electrochemistry | Redox reactions, electrolytes and non-electrolyte conductor, conductance in electrolytic solutions, Specific and molar conductivity, the variation of conductivity with concentration, Kohlrausch’s Law, electrolytics and laws of electrolysis. Dry cell electrolytic cells and Galvanic cells, lead accumulator, EMF of a cell, standard electrode potential, Nernst equation and its application to chemical cells, The relation between Gibbs free energy change and emf of a cell, fuel cells, corrosion. |
| Chemical Kinetics | Rate of a reaction, factors affecting the rate of reaction, Order and molecularity of a reaction, rate law and specific rate constant, integrated rate equations and half-life, Concept of collision theory. Activation energy, Arrhenius equation. |
| Surface Chemistry | Adsorption - physisorption and chemisorption, factors affecting adsorption of gases on solids, catalysts. homogenous and heterogenous activity and selectivity. True solutions, colloids and suspensions. properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation. Emulsion- types of emulsions. |
| General Principles and Processes of Isolation of Elements | Principles and methods of extraction. concentration, oxidation, reduction. electrolytic method and refining, zone refining, occurrence and principles of extraction of aluminium, copper, zinc and iron. |
| p - Block Elements | Group 15, Group 17 and Group 18 Elements- General introduction, electronic configuration, occurrence, properties, classification, preparation of different compounds and their use. |
| d and f Block Elements | General introduction, electronic configuration, occurrence and characteristics of transition metals, General trends in properties of the first-row transition metals - metallic character, ionization enthalpy, oxidation states, ionic radii, colour, catalytic property, magnetic properties, interstitial compounds, alloy formation, preparation and properties of K2CrO7 and KMnO. |
| Coordination Compounds | Coordination compounds - Introduction, ligands, coordination number, colour, magnetic properties and shapes. IUPAC nomenclature of mononuclear coordination compounds. Bonding, Werner’s theory. VBT and CFT- structure and stereoisomerism. Importance of coordination compounds. |
| Haloalkanes and Haloarenes | Pptical rotation. Haloarenes- Nature of C - X bond, substitution reactions. Uses and environmental effects of dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT, BHC. Haloalkanes- Nomenclature, nature of C-X bond, physical and chemical properties, mechanism of substitution. |
| Alcohols, Phenols and Ethers | Alcohols- Nomenclature, methods of preparation, physical and chemical properties, identification of primary, secondary and tertiary alcohols, mechanism of dehydration, uses with special reference to methanol and ethanol. Phenols- Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenol, electrophilic substitution reactions, uses of phenols. Ethers- Nomenclature, methods of preparation, physical and chemical properties’ use. |
| Aldehydes, Ketones and Carboxylic Acids | Nomenclature, methods of preparation, physical and chemical properties, mechanism of nucleophilic addition, the reactivity of alpha hydrogen in aldehydes uses, uses of carboxylic acids. |
| Organic compounds containing Nitrogen | Nomenclature classification, structure, methods of preparation, physical and chemical properties, Uses, identification of primary, secondary and tertiary amines. Diazonium salt. |
| Polymers | Classification- polymerization, co-polymerization, some important polymers- polythene, nylon, polyester, bakelite, rubber. Biodegradable and non-biodegradable polymers. |
| Chemistry in Everyday life | Chemical in Medicines- Analgesics, tranquillizers antiseptics, disinfectants, antimicrobials, antifertility, drugs, antibiotics, antacids, antihistamines. Che |
Odisha Board Higher Secondary Examination: Chemistry Syllabus Overview
The Odisha Council of Higher Secondary Education (CHSE) conducts the Higher Secondary Examination for Class 12 students. Chemistry is a core subject in the Science stream, and its syllabus is divided into two parts: Theory and Practical.
Chemistry Theory Syllabus
The theory paper covers a wide range of topics, from physical chemistry to organic chemistry. The detailed syllabus is structured to build a strong foundation in chemical principles and their applications.
Unit-wise Breakdown of Theory Syllabus
The syllabus is organised into clear units for systematic study. Each unit focuses on specific concepts and reactions.
- Solutions: Types of solutions, expression of concentration, solubility, Raoult's law, colligative properties, and abnormal molar masses.
- Electrochemistry: Redox reactions, conductance, Kohlrausch's law, electrolysis, batteries, and corrosion.
- Chemical Kinetics: Rate of reaction, factors affecting rate, order and molecularity, integrated rate equations, and Arrhenius equation.
- Surface Chemistry: Adsorption, catalysis, colloids, and emulsions.
- General Principles and Processes of Isolation of Elements: Principles of metallurgy, refining methods, and extraction of specific metals.
- p-Block Elements: Group 15, 16, 17, and 18 elements, their properties, and compounds.
- d and f Block Elements: Electronic configuration, properties, and important compounds of transition and inner transition elements.
- Coordination Compounds: Werner's theory, nomenclature, bonding, isomerism, and applications.
- Haloalkanes and Haloarenes: Classification, nomenclature, preparation, properties, and reactions.
- Alcohols, Phenols and Ethers: Classification, preparation, properties, and reactions of these compounds.
- Aldehydes, Ketones and Carboxylic Acids: Preparation, properties, and reactions of carbonyl compounds and acids.
- Amines: Classification, preparation, properties, and reactions of amines and diazonium salts.
- Biomolecules: Carbohydrates, proteins, vitamins, and nucleic acids.
- Polymers: Classification, types of polymerisation, and important polymers.
- Chemistry in Everyday Life: Drugs, chemicals in food, and cleansing agents.
Key Topics in Chemistry in Everyday Life
This unit connects chemistry to daily life applications. It covers the role of chemicals in medicine, food, and cleaning.
- Drugs: Classification, drug-target interaction, and types of drugs like antacids, antihistamines, and antibiotics.
- Chemicals in Food: Preservatives, artificial sweetening agents, and elementary ideas about antioxidants.
- Cleansing Agents: Soaps and detergents, and their cleansing action.
Prescribed Books for Odisha CHSE Chemistry
The board prescribes standard textbooks for the Chemistry syllabus. Students are expected to study from these books for the examination.
The prescribed books cover all the topics mentioned in the syllabus in detail. Students should refer to these books for comprehensive preparation.
CHSE Odisha Physics Syllabus 2022-23
The CHSE Odisha Physics syllabus for Class 12 covers 13 chapters. The topics range from electrostatics to communication systems.
| Chapters | Topics |
|---|---|
| Electric charges and fields | Electric charge and its quantization, conservation of charge, Coulomb's law, force between two point charges, superposition principle, etc. |
| Electrostatic potential and capacitance | Electric potential, potential difference, potential due to a dipole, potential due to a system of charges, equipotential surfaces, electrical potential energy, conductors, insulators, free charges and bound charges inside a conductor, capacitors and capacitance, combination of capacitors in series and parallel, energy stored in a capacitor, etc. |
| Current Electricity | Electric current, drift velocity, Ohm's law, electrical resistance, conductance, resistivity, conductivity, effect of temperature on resistance, electrical energy and power, carbon resistors, colour code of carbon resistor, EMF and potential difference, internal resistance of a cell, combination of cells in series and parallel, Kirchhoff's law, potentiometer-principle and its application, EMF of two cells, etc. |
| Magnetic effect of Current and magnetism | Moving charges and magnetism, concept of the magnetic field, Oersted's experiment, Biot-Savart law, Ampere's law and its application, straight and toroidal solenoid, cyclotron, force on a current-carrying conductor in a uniform magnetic field, force between two parallel current-carrying conductors, torque experienced by a current loop, moving coil galvanometer, conversion of galvanometer into ammeter and voltmeter. |
| Magnetism and matter | Current loop as a magnetic dipole and its magnetic dipole moment, magnetic dipole moment of a revolving electron, magnetic field intensity due to a magnetic dipole, torque on a magnetic dipole, bar magnet as an equivalent solenoid, magnetic field lines, etc. |
| Electromagnetic induction and Alternating current | Electromagnetic induction: Faraday's laws of electromagnetic induction, induced EMF and current, Lenz's Law, eddy currents, self and mutual induction. Alternating current: alternating currents, peak and RMS value of alternating current, LC oscillation, LCR series circuit, resonance, power in AC circuits, wattless current, A.C. generator and transformer, etc. |
| Electromagnetic waves | Basic idea of displacement current, characteristics of electromagnetic waves, their transverse nature, electromagnetic spectrum and their uses. |
| Optics | Ray optics and optical instruments: reflection of light, spherical mirrors, mirror formula, lateral and longitudinal magnification, total internal reflection and its applications, optical fibre, refraction at spherical surfaces, lens formula, lens maker's formula, magnification, power of lenses, two thin lenses in contact, etc. Scattering of light: the blue colour of the sky and reddish appearance of the sun at sunset and sunrise. Optical instruments: microscopes and telescopes. |
| Wave Optics | Wavefront, Huygen's principle, reflection and refraction of plane waves, proof of laws of reflection and refraction using Huygen's principle, interference, Young's double-slit experiment, resolving power of microscope and astronomical telescope, polarization, Brewster's law, uses of plane-polarized light and polaroids, etc. |
| Dual nature of Radiation and matter | Dual nature of radiation, photoelectric effect, Hertz and Lenard's observations, Einstein's photoelectric equation, matter waves, de-Broglie relation, Davisson-Germer experiment, etc. |
| Atoms and Nuclei | Atoms: Rutherford's model of an atom, Bohr model, energy levels, hydrogen spectrum. Nuclei: atomic nucleus, nature of nuclear force, binding energy per nucleon, nuclear fission, fusion, radioactivity, alpha, beta and gamma particles, radioactive decay law, half-life and decay constant. |
| Semiconductor electronics | Energy bands in conductors, semiconductors and insulators, p-type and n-type semiconductors, semiconductor diode, V-I characteristics, diode, etc. Special purpose p-n junction diodes, Zener diode as a voltage regulator, etc. Junction transistor, transistor action, logic gates (OR, AND, NOT, NAND, and NOR), basic idea of analogue and digital signals, etc. |
| Communication System | Elements of a communication system, bandwidth of signals, bandwidth of transmission medium, propagation of electromagnetic waves in the atmosphere, sky and space wave propagation, satellite communication, modulation, basic idea about the internet, mobile telephony and GPS. |
Prescribed Books for Odisha CHSE Physics
Two books are prescribed for CHSE Odisha Physics. One is published by NCERT and the other by the Odisha State Bureau of Text Book Preparation and Production.
| Book | Publisher |
|---|---|
| Physics - Part 1 and Part 2 | NCERT |
| Bureau's Higher Secondary Physics Vol-2 | Odisha State Bureau of Text Book Preparation and Production |
CHSE Odisha Biology Syllabus 2022-23
Biology in Class 12 is divided into two parts: botany and zoology. The syllabus for Odisha Board Class 12 Biology is mentioned below.
CHSE Odisha Chemistry Syllabus 2022-23
Odisha CHSE has prescribed Bureau's Higher Secondary (+2) Chemistry, Vol-I & II for Class 12.
CHSE Odisha Biology Syllabus 2022-23
The Biology syllabus for the CHSE Odisha Higher Secondary Examination is divided into five main chapters. Each chapter covers specific topics related to the living world.
Chapter-wise Topics
| Chapters | Topics |
|---|---|
| Reproduction | Reproduction in organisms. Reproduction, Modes of reproduction Sexual reproduction in flowering plants Flower structure, Development of male and female gametophytes, Pollination-types, Double fertilization, Development of endosperm and embryo, Development of seed and formation of fruit, Significance of seed and fruit formation etc. Human Reproduction Male and female reproductive systems, Gametogenesis, Menstrual cycle, Fertilisation, embryo development, Pregnancy and placenta formation etc. Reproductive health Need for reproductive health and prevention of sexually transmitted diseases, Birth control, Infertility and assisted reproductive technologies etc. |
| Genetics and Evolution | Heredity and Variation Mendelian Inheritance, Pleiotropy, Elementary idea of polygenic inheritance, Chromosome theory of inheritance, linkage and crossing over etc. Sex determination In humans, birds, honey bee, Sex-linked inheritance, Mendelian disorders in humans, Thalassemia, Chromosomal disorders in humans. Molecular Basis of Inheritance Structure of DNA and RNA, DNA packaging; DNA replication, Gene expression and regulation- Lac Operon, human genome project; DNA fingerprinting. Evolution Origin of life, Darwinism, Modern Synthetic Theory of Evolution, Mechanism of evolution, Natural Selection with examples, types of natural selection, Hardy-Weinberg’s principle, Adaptive Radiation; Human evolution etc |
| Biology and Human Welfare | Health and Disease- Pathogens; parasites causing human diseases, Basic concepts of immunology- vaccines; Cancer, HIV and AIDS, Adolescence, drug and alcohol abuse. Improvement in food production Microbes in human welfare- In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilizers. |
| Biotechnology and its Applications | Principles and process of Biotechnology Genetic engineering (Recombinant DNA technology) Application of Biotechnology in health and agriculture Human insulin and vaccine production, gene therapy, Genetically modified organisms- Bt crops, Transgenic Animals, Biosafety issues- Biopiracy and patents. |
| Ecology and environment | Organisms and environment- Habitat and niche, Population and ecological adaptations, interactions-mutualism, competition, predation, parasitism, Population attributes etc. Biodiversity and its conservation - Concept of Biodiversity, Importance of Biodiversity. conservation; Hotspots, endangered organisms, extinction, Red Data Book. Biosphere reserves, National parks and Sanctuaries |
CHSE Odisha Mathematics Syllabus 2022-23
The Mathematics syllabus for the CHSE Odisha Higher Secondary Examination is provided separately. It details the topics and chapters for the academic year 2022-23.
CHSE Odisha Class 12 Mathematics Syllabus 2022-23
The Mathematics syllabus for CHSE Odisha Class 12 is divided into five main units. These units cover topics from algebra and calculus to vectors and three-dimensional geometry.
The detailed topics under each unit are listed below.
Relations and Functions
- Relations and Functions: reflexive, symmetric, transitive and equivalence relations, composite functions, the inverse of a function. Binary operations etc.
- Inverse Trigonometric Functions: Definition, range, domain, Graphs of inverse trigonometric functions. Elementary properties of inverse trigonometric functions etc.
- Linear Programming: Introduction, different types of linear programming (L.P.) problems, graphical method of solution for problems in two variables, feasible and infeasible regions, feasible and infeasible solutions, optimal feasible solutions, etc.
Algebra
- Matrices: Concept, notation, order, equality, types of matrices, operations on matrices, Addition and multiplication and multiplication with a scalar, Non-commutativity of multiplication of matrices, the concept of elementary row and column operations, Invertible matrices and proof of the uniqueness of inverse.
- Determinants: The determinant of a square matrix, properties of determinants, applications of determinants in finding the area of a triangle, Adjoint and inverse of a square matrix, solving systems of linear equations in two or three variables etc.
- Probability: Conditional probability, multiplication theorem on probability, total probability, Baye’s theorem, Random variable, mean and variance of a random variable, Bernoulli trials and Binomial distribution.
Differential Calculus
- Continuity and Differentiability: the derivative of composite functions, derivatives of inverse trigonometric functions, derivative of implicit functions, Concept of exponential and logarithmic functions. the derivative of functions expressed in parametric forms. Second-order derivatives etc.
- Applications of Derivatives: Rate of change of bodies, increasing and decreasing functions, tangents and normals, maxima and minima, use of derivatives in approximation.
Integral Calculus
- Integrals: Integration as an inverse process of differentiation, Integration by substitution, by partial fractions and by parts, Evaluation of simple integrals, Fundamental Theorem of Calculus.
- Applications of the Integrals: Applications in finding the area under simple curves, Area between curves.
- Differential Equations: Definition, order and degree, Formation of differential equation whose general solution is given, solutions of homogeneous differential equations of the first order and first degree etc.
Vectors and Three-Dimensional Geometry
- Vectors: Vectors and scalars, Types of vectors, multiplication of a vector by a scalar, position vector of a point dividing a line segment in a given ratio, products of vectors.
- Three-dimensional Geometry: Direction cosines and direction ratios of a line joining two points, Cartesian equation and vector equation of a line, types of lines, the shortest distance between two lines, Cartesian and vector equation of a plane, Angle between three-dimensional elements, etc.
CHSE Odisha Environmental Science Syllabus 2022-23
Environmental Science is one of the optional subjects in class 12. The syllabus is not much lengthy and has become more compact after the revision of syllabus.
The important chapters like greenhouse gases, layers of atmosphere, natural resources, sustainable development etc has been retained. For 2020-21 exams there are six chapters-environment, natural resources, environmental pollution, environment management, environment laws and road safety. All these chapters are important at this level as well as in the higher classes.
Environment: Components
- Atmosphere, Lithosphere, Hydrosphere and Biosphere
- A human being as a rational social partner in environmental action
- Impact of human activities on the environment
- Environmental Problems of urban and rural areas
- Stress on civic amenities: supply of water, electricity, transport and health services
Natural Resources
- Land, water, forest as primary natural resources
- Freshwater and Marine resources
- Natural resources of Orissa
- Concept of Biodiversity and its conservation
- Renewable and non-renewable resources
- Conventional and non-conventional energy
Environmental Pollution
- Types of pollution and pollutants
- Causes, effects and control of air pollution, water pollution, soil pollution and noise pollution
- Greenhouse effect, Global Warming, Eutrophication, Ozone layer depletion.
Environmental Management
- Scope of Environmental Management
- Management of solid, liquid and gaseous wastes
- Resource Management
- Disaster Management (flood, cyclone and earthquake)
- Concept of sustainable development
- Management of agricultural produce.
Environmental Laws
- Constitutional Provisions.
- Major provisions of Environmental Laws and Pollution Control Laws with particular reference to the Water Act, 1974, the Air Act, 1981, the E(P) Act 1986, CPCB and SPCB
Road Safety
- Concept & Need
- Traffic signs
- What to do and what not to do while on the road
- Safety guidelines, offence and penalties.
- Traffic Management: RTO, MVI, Police/Traffic Police
- Traffic Awareness, etc
Frequently Asked Questions
Ques: What is the minimum passing marks in the Odisha Board class 12 exam?
Ans: Students have to score a minimum of 30 marks in each subject to pass for the specific subjects. The aggregate marks in the board exam should be at least 33%.
Ques: What are the new changes in the Odisha Board Syllabus?
Ans: CHSE Board is yet to release the syllabus for Class 12. Students can download the syllabus, once released, from the official website of the board.
Ques. When will the board conduct the class 12 exam 2023?
Ans: The board exams are likely to be conducted in the month of May 2023. The dates are not announced as of now.
Ques. Is there any change in the full marks of a subject in class 12?
Ans: There will be no change in the marking scheme for any subject. All the subjects will carry 100 marks including practical and written exam.
