Can I cheat in Odisha CHSE 12th board exam?

Odisha CHSE board is strictly against the practise of using any unfair means during the examinations. The board is actively working to prevent and discourage any malpractice during board examinations every year. So, you are advised to go through the Odisha CHSE syllabus and solve as many previous years question papers and sample papers to avoid cheating during the Odisha CHSE board exams.

Can I clear Odisha CHSE exam in one month?

Students can clear Odisha CHSE exam with proper preparation. They should make a proper time table and follow it. They should learn 5 to 6 hours daily to clear exam in one month. They should solve and learn previous year question papers. They should learn repeated questions . Making short notes of important topics is important.

What is the duration of the Odisha CHSE exam?

Duration of Odisha CHSE exam is 3 hours. Odisha CHSE examinations 2026 will be held in morning from 10:00 AM to 1:00 pm. Odisha CHSE time table 2026 was released in December 2025.

Is it necessary to go through the Odisha CHSE syllabus 2026?

Those students preparing for the Odisha CHSE exam 2026, must go through the Odisha CHSE syllabus 2026 . This will help them to know the topics covered in the Odisha CHSE exam. It will help students to know the exam pattern and difficulty level. It also gives idea about the marking scheme of the exam. Understanding the syllabus helps students to boost the preparation.

How to download the Odisha CHSE exam Pattern 2026?

Students can read the below steps to download Odisha CHSE question pattern 2026. Visit the official website - chseodisha.nic.in/ Under notification, click on circular ' Clarification regarding question pattern' A new window will be opened showing the question pattern Download and save for future reference.

Is it necessary to go through the Odisha CHSE syllabus 2026?

Those students preparing for the Odisha CHSE exam 2026, must go through the Odisha CHSE syllabus 2026 . This will help them to know the topics covered in the Odisha CHSE exam. It will help students to know the exam pattern and difficulty level. It also gives idea about the marking scheme of the exam. Understanding the syllabus helps students to boost the preparation.

Can I appear for Odisha CHSE exams in English medium?

Yes, students can appear for Odisha 12th class exams in English medium by filling in their preference in the application form.

Odisha CHSE Syllabus 2026: Download Latest Odisha CHSE Board Syllabus PDF

130 Students Q&A

Exam On - 18 Feb '26 - 25 Mar '26

Updated on Mar 19, 2026 14:18 IST

By Salviya Antony, Senior Executive - Content

CHSE Odisha syllabus 2026: Students are advised to go through the entire Odisha CHSE Syllabus 2026 and prepare for the board examination.The CHSE Odisha Syllabus 2026 mentions all the streams and subjects with complete details of topics and marking scheme. Understanding the Odisha CHSE Syllabus 2026 helps students to know the topics to be learned. It is expected that Odisha CHSE board is following last years' syllabus, since there were no notifications on change in syllabus.

Students will have to appear for 5 compulsory subjects and 2 optional subjects. They can find the Odisha CHSE exam 2026 syllabus pdf download and know the details of CHSE new syllabus and the marking scheme on the official website. Practicing Odisha CHSE sample papers 2026, helps students to understand the difficulty level and the Odisha CHSE exam pattern 2026 and other important details.

Table of contents

CHSE Odisha Syllabus 2026
Odisha 12th Syllabus 2026 - Chemistry
CHSE Odisha Subjects 2025-26
Odisha CHSE Exam 2026: Prep Tips
FAQs on Odisha CHSE Syllabus 2026

CHSE Odisha Syllabus 2026

Provided below is the subject-wise CHSE Odisha 2025 Syllabus. CHSE has not yet informed that there will be changes in the Odisha 12th syllabus 2026. Hence it will be following the earlier syllabus.

CHSE Syllabus for Class 12 English

Units	Topics / chapters
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
	Mystery of the Missing Cap
Writing Skills	Interpreting Graph, Charts, Tables and diagrams etc
	Reporting Events and Business Matters
	Extended Writing
Grammar	The Passive
	Direct and Reported Speech
	Interrogatives
	Phrasal Verbs

CHSE Odisha Biology Syllabus

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 Syllabus for Class 12 Maths

Chapters	Topics	Marks
Relations and Functions	Relations and Functions reflexive, symmetric, transitive and equivalence relations, composite functions, inverse of a function. Binary operations etc. NCERT Solutions on Relations and Functions Inverse Trigonometric Functions Definition, range, domain, Graphs of inverse trigonometric functions. Elementary properties of inverse trigonometric functions etc. NCERT Solutions on Inverse Trigonometric Functions 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.	20
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, concept of elementary row and column operations, Invertible matrices and proof of the uniqueness of inverse. NCERT Solutions on Matrices Determinants 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. NCERT Solutions on Determinants 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.	20
Differential Calculus	Continuity and Differentiability derivative of composite functions, derivatives of inverse trigonometric functions, derivative of implicit functions, Concept of exponential and logarithmic functions. derivative of functions expressed in parametric forms. Second-order derivatives etc. NCERT Solutions on Continuity and Differentiability Applications of Derivatives Rate of change of bodies, increasing and decreasing functions, tangents and normals, maxima and minima, use of derivatives in approximation.	20
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 first order and first degree etc.	20
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, shortest distance between two lines, Cartesian and vector equation of a plane, Angle between three- dimensional elements, etc.	20
Total		100

CHSE Syllabus for Class 12 Physics

Chapters	Topics	Marks
Electric charges and fields	Electric charge and its quantization, conservation of charge, Coulomb’s law, force between two point charges, superposition principle, etc.	15
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 in parallel energy sorted 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 cell, etc.
Magnetic effect of Current and magnetism	Moving charges and magnetism Concept of 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, and conversion of current from ammeter and voltmeter	16
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’ 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.	17
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 makers formula, magnification, power of lenses, two thin lenses in contact, etc. Scattering of light Blue colour of the sky and reddish appearance of sun at sunset and sunrise, Optical instruments: microscopes and telescopes
Waves 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.	10
Atoms and Nuclei	Atoms Rutherford’s model of 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.	10
Semiconductor electronics	Energy bands in conductors, semiconductors and insulators, p-type, 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 analog and digital signals, etc.	12
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 internet, mobile telephony and GPS.	12
Total marks		70

Check NCERT Solutions Class 12 Physics below.

Units	Solutions
Electric Charges and Fields	NCERT Solutions on Electric Charges and fields
Electrostatic Potential and Capacitance	NCERT Solutions on Electrostatic Potential and Capacitance
Current Electricity	NCERT Solutions on Current Electricity
Moving Charges and Magnetism	NCERT Solutions on Moving Charges and Magnetism
Magnetism and Matter	NCERT Solutions on Magnetism and Matter
Electromagnetic Induction	NCERT Solutions on Electromagnetic Induction
Alternating Current	NCERT Solutions on Alternating Current
Electromagnetic Waves	NCERT Solutions on Electromagnetic Waves
Ray Optics and Optical Instruments	NCERT Solutions on Ray Optics and Optical Instruments
Wave Optics	NCERT Solutions on Wave Optics
Dual Nature of Radiation and Matter	NCERT Solutions on Dual Nature of Radiation and Matter
Atoms	NCERT Solutions on Atoms
Nuclei	NCERT Solutions on Nuclei
Semiconductor Electronics	NCERT Solutions on Semiconductor Electronics

CHSE Syllabus for Class 12 Environmental Education

Unit /Chapter	Topics
Environment: Components	Atmosphere, Lithosphere, Hydrosphere and Biosphere 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

Odisha CHSE Syllabus for Environmental Education (Project) - 30 marks

The project section of the Odisha CHSE syllabus includes the study of environmental changes in different fields. Students will be asked to go into the field and understand the pattern of various changes in our environment and lifestyle that have taken place in the past 4-5 years. Environmental Education will be assessed at the college level for 100 marks and the grade scored in the Environmental Education (EE) will not affect the result of the student.

Odisha 12th Syllabus 2026 - Chemistry

Chapters	Topics	Marks
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.	23
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 molecular mass, van Hoff factor
Electrochemistry	Redox reactions, electrolytes and non-electrolyte conductor, conductance in electrolytic solutions, Specific and molar conductivity, variation of conductivity with concentration, Kohlrausch’s Law, electrolysis 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, Relation between Gibbs 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.	19
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. occurrence and principles of extraction of aluminium, copper, zinc and iron.
p - Block Elements	Group15, 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.	28
Haloalkanes and Haloarenes	Haloalkanes- Nomenclature, nature of C-X bond, physical and chemical properties, mechanism of substitution reactions, optical rotation. Haloarenes- Nature of C - X bond, substitution reactions. Uses and environmental effects of dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT, BHC.
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. Either- Nomenclature, methods of preparation, physical and chemical properties uses
Aldehydes, Ketones and Carboxylic Acids	Nomenclature, methods of preparation, physical and chemical properties, mechanism of nucleophilic addition, 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. Chemical in Food- Preservatives, artificial sweetening agents, elementary idea of antioxidants Cleansing agents-Soap and detergents, cleansing action.
Total marks		70

Check the NCERT Solutions Class 12 Chemistry Below.

Name of Chapter	Solutions
The Solid State	NCERT Solutions on Solid state
Solutions	NCERT Solutions on Solutions
Electrochemistry	NCERT Solutions on Electrochemistry
Chemical Kinetics	NCERT Solutions on Chemical Kinetics
The d & f Block Elements	NCERT Solutions on The d & f Block Elements
Coordination Compounds	NCERT Solutions on Coordination Compounds
Haloalkanes and Haloarenes	NCERT Solutions on Haloalkanes and Haloarenes
Alcohols, Phenols, and Ethers	NCERT Solutions on Alcohols, Phenols, and Ethers
Aldehydes, Ketones, and Carboxylic Acids	NCERT Solutions on Aldehydes, Ketones, and Carboxylic Acids
Amines	NCERT Solutions on Amines
Biomolecules	NCERT Solutions on Biomolecules
General Principles and Processes of Isolation of Elements	NCERT Solutions on General Principles and Processes of Isolation of Elements
Surface Chemistry	NCERT Solutions on Surface Chemistry
The p-Block elements	NCERT Solutions on p block elements
Polymers	NCERT Solutions on Polymers

CHSE Odisha Subjects 2025-26

Compulsory Subject	Elective Subject (Science)	Elective subject (Arts)
English	Physics	History
MIL (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.	Logi /geography
Basic Computer Education		Mathematics /Home science
		Education/Psychology/Indian Music
		Anthropology/Sociology/Statistics
		Odia/ Sanskrit/ Persian /Hindi /Urdu/ Bengali/ Telugu
		Information Technology

Odisha CHSE Exam 2026: Prep Tips

Students who are appearing for the Odisha CHSE exam 2026 should go through the CHSE Odisha prep tips 2026 2026 and score high marks. They are advised to solve the old Odisha CHSE question papers so that they will get get an idea of the level of questions. Regular revision is mandatory for achieving better scores. Students should not forget to carry the CHSE 12th admit card 2026. They must leave for the examination centre keeping in mind the weather, traffic conditions etc. They should reach the exam centre half hour before the time. They should also carry the required stationery items and water bottle if needed. Students can go through the tips here.

Create a proper time table for Odisha CHSE exam 2026.
Complete the Odisha CHSE syllabus 2026.
Solve the questions and examples given in Odisha CHSE text books.
Practice Odisha 12th sample papers and question papers.
Make short notes for formulae, theories, and important points for last minute revision.
Take enough breaks during revision
Stay healthy.

FAQs on Odisha CHSE Syllabus 2026

Check FAQs on CHSE Odisha syllabus 2026.

Q: What is the marking scheme of the CHSE Odisha exam?

Odisha CHSE exam is held for 100 marks for each subject. The marks is divided into 70 for theory and 30 for practical, for exams with practicals. The total marks for subjects with practicals are 100, of which 70 are for theory while 30 marks are for the practical examination. The total marks are 100 for the subjects which do not have any practical exams.

Q: What are the streams of subjects that are offered by the CHSE Odisha?

CHSE Odisha offers three streams of subjects for the students. The streams offred by CHSE Odisha are Science, Commerce and Arts/Humanities. Students can select the streams as per their choice.

Q: Can we attempt both questions, if a choice is given to attempt any one of the questions in the Class 12 board exam?

The students should read the guidelines given on Class 12 board exam question paper. Doing both options will take time. So they should read the questions and the answer should be written for the one they know well.