Odisha Board Higher Secondary Examination

Odisha CHSE Result 2025: Direct Link and Key Details

The Odisha CHSE 2025 results for Science, Commerce, and Arts were released on May 21, 2025, at 4 PM. Students who appeared for the exam can check their results on the official websites chseodisha.nic.in and orissaresults.nic.in.

More than 3.9 lakh students appeared for the CHSE exams this year. The exams were held from February 18 to March 27, 2025.

The overall pass percentage for CHSE Odisha Class 12 is 82.77%. Girls outperformed boys with a pass percentage of 87.24%, while the pass percentage for boys was 77.88%.

Students who fail to score a minimum of 33% marks in any subject must appear for the Odisha CHSE Supplementary Exams 2025. The supplementary exams are likely to be held in July 2025.

Stream-wise Pass Percentage

The table below shows the stream-wise performance of students in the Odisha CHSE 2025 exams.

Stream	Science	Commerce	Arts	Vocational
Candidates Appeared	113968	25108	243653	5572
Candidates Passed	99724	20892	196171	3375
Pass Percentage	87.50%	83.20%	80.51%	60.57%

Odisha CHSE Exam 2025: Highlights

The key highlights of the Odisha CHSE Exam 2025 are listed below.

Particulars	Details
Exam Name	Odisha Higher Secondary Examination (HSE)
Exam Conducting Authority	Council of Higher Secondary Education (CHSE), Odisha
Frequency of Conduct	Once a Year
Exam Level	Intermediate
Streams Offered	Science, Commerce, Arts and Vocational
Mode of Exam	Offline
Exam Duration	3 Hours
Eligibility	Students who have passed the class 11 exam with at least 33% of a total aggregate
Passing Marks	33% of the total marks
Official Website	chseodisha.nic.in

Odisha CHSE Exam 2025: Important Dates

The important dates for the Odisha CHSE Exam 2025 are given in the table below.

Event	Dates
Release of Admit Card	February 2025
HSE Theory Exam Dates	February 18 - March 27, 2025
Result Declaration	May 21, 2025
Odisha CHSE Instant Exam 2025 Online Application Through School	May 2025
Date of CHSE Instant Exam Fees Deposit by HS School through SB Collect	June 2025
CHSE Instant Exam 2025 Dates	June 2025
Re-Evaluation Results Declaration	July 2025
Supplementary Exam Application	June 2025
Supplementary Exam Dates	July 2025
Supplementary Exam Result Declaration	August 2025

How to Download the Odisha CHSE Result 2025

Students can download the Odisha CHSE 2025 results online by following the steps given below.

• Visit the official CHSE Odisha website.
• Find the link for the Class 12 result on the homepage.
• Enter the required login details, such as roll number and date of birth.
• Submit the details to view the result.
• Download and take a printout of the result for future reference.

How to Check Odisha CHSE Result 2025

Follow these steps to view and download the Odisha CHSE 2025 result from the official website.

• Go to the official website of the Council of Higher Secondary Education (CHSE), Odisha at orissaresults.nic.in.
• Look for the link named "CHSE Annual Exams Results 2025" and select it according to your stream.
• The result login page will open.
• Enter your roll number and registration number exactly as printed on your admit card.
• Type the captcha code shown on the screen and click the submit button.
• Your Odisha CHSE 2025 marksheet will appear on the screen. Download it in PDF format.
• Take a printout of the marksheet for future reference.

Odisha CHSE Passing Criteria 2025

The Odisha CHSE Exam 2025 has 6 subjects, which include compulsory and optional subjects. Each subject carries a maximum of 100 marks.

For science subjects, the theory portion is 70 marks and practicals are 30 marks. Non-science subjects have exams for a total of 100 marks each. The passing criteria are given below.

• Students must score at least 30 marks in subjects without practicals, such as Language (Hindi, Odia) and optional subjects like History, Geography, and Political Science.
• Candidates must get 22.5 marks in the theory portion of subjects with practicals (Science) and at least 10 marks in practicals out of 30.
• The overall aggregate percentage must be above 33%. A student with less than 33% is considered failed.

Odisha CHSE Grading System 2025

The grading system for the Odisha Plus 2 Exam 2025 is listed below.

Marks obtained	Grade	Grade Point	Remarks
91 – 100	A1	10	Outstanding
81 – 90	A2	9	Excellent
71 – 80	B1	8	Very good
61 – 70	B2	7	Good
51 – 60	C1	6	Average
41 – 50	C2	5	Fair
33 – 40	D	4	Satisfactory
21 – 32	E1	C	Needs improvement
00 – 20	E2	C	Needs improvement

Odisha CHSE Exam 2025: Revaluation

The Odisha board offers a revaluation facility for students who are not satisfied with their marks. Students can apply for revaluation of their answer sheets if they believe there is a mistake in correction.

Keep these points in mind before applying for the Odisha CHSE 2025 revaluation process.

• There is a fixed time period to apply for revaluation. The board announces the application dates after the plus two results are released.
• The revaluation fee is INR 200 per subject paper. Theory and practical exams of one subject count as two separate papers for rechecking or revaluation.
• Revaluation can increase, decrease, or keep the marks unchanged.

Odisha CHSE Supplementary Exam 2025

Students who fail the Odisha CHSE 2025 exams must appear for the supplementary exams. The Council of Higher Secondary Education, Odisha will release the supplementary exam notification after the regular results are declared.

• Candidates who are unhappy with their results can also take this exam.
• Registration for the supplementary exam starts in June 2025, and the exams are tentatively scheduled for July 2025.
• The application form will be given by the school or made available online on the official board website.
• Students must submit the application form at their respective school before the last date to avoid penalties.

Odisha CHSE Registration 2024-25

The registration process for Odisha CHSE Exams 2025 is done offline for regular students under the supervision of their schools. Students must submit the Odisha CHSE 2025 application form before the deadline to avoid late fees.

Ex-regular students can fill the application forms online as per the council's instructions. Important points for the Odisha CHSE registration process are listed below.

• Regular students register through their respective schools.
• Ex-regular students apply online through the official website.
• Submit the form before the deadline to avoid fine fees.

Odisha CHSE Registration 2025: Key Points

Students must fill in all credentials carefully, as these details will appear on the CHSE admit card. No changes can be made to the application form after it is submitted.

• The information on the application form must match the information on the Class 11 registration card.
• Candidates must pay the registration fee of INR 520 to their respective schools on time.
• A late fee of INR 100 per person is charged for the first delay in submission.
• A second late fee of INR 450 is charged for further delay.
• Students must select their subjects carefully, as no alterations will be allowed after submitting.
• If candidates do not receive an admit card after the registration process is complete, they should contact their school department.

Steps to Register for Odisha CHSE Exam 2025

The steps to apply for online registration of the Odisha CHSE Exam 2025 are given below:

• Login to the official website of the Odisha board: https://chseodisha.nic.in/
• Look for the 'Application Form CHSE 2025' on the home page.
• An application form page will be displayed on the screen.
• Fill in the credentials as asked carefully, as no alterations will be allowed afterwards.
• Attach the required documents and make the registration fee payment online through your preferred mode.
• Click the "Submit" button to complete the process.

Documents Required for Odisha CHSE Registration 2025

The documents required for the Odisha CHSE 2025 registration process are as follows:

• Birth Certificate
• Recent passport-size photograph of the candidate with the date of birth written on it
• Secondary School Mark Sheet
• The first Registration Card issued in Class 11
• Aadhar Card

Note: For the Instant Exam, you need to submit a self-attested xerox copy of the downloaded AHS 2025 marksheet and one recent passport-sized photograph.

Odisha CHSE Time Table 2025

Odisha CHSE Exams 2025 will be conducted from February 16 to March 20, 2025. Students can check the complete timetable below.

Odisha CHSE Date Sheet 2025

The Council of Higher Secondary Education (CHSE), Odisha has published the date sheet for the Annual Higher Secondary Examination 2025. The exam will be held from February 16, 2025 to March 20, 2025.

The table below lists the exam dates and the subjects scheduled for each stream.

Exam Dates	Science	Commerce	Arts
February 16, 2025	MIL (O)	–	–
February 17, 2025	–	MIL (O)	MIL (O)
February 19, 2025	English (E)	–	–
February 21, 2025	–	English (E)	English (E)
February 22, 2025	Physics (PHY)	–	–
February 24, 2025	Geology	Business Studies and Management (BSM)	History (HIS)
February 29, 2025	Chemistry (CHE)	–	–
March 1, 2025	–	Business Mathematics and Statistics (BMS)	Political Science (POL)
March 6, 2025	Mathematics (M)	–	Home Science (HSC)
March 7, 2025	All other MILs – Hindi (H), Bengali (B), Telugu (T), Urdu (U), Sanskrit (S), Alternative English (AE)	All other MILs – Hindi (H), Bengali (B), Telugu (T), Urdu (U), Sanskrit (S), Alternative English (AE)	All other MILs – Hindi (H), Bengali (B), Telugu (T), Urdu (U), Sanskrit (S), Alternative English (AE)
March 9, 2025	Elective Sanskrit (ES)	–	All Language Optionals – Odia (O), Hindi (OH), Bengali (OB), Telugu (OT), Urdu (OU), Sanskrit (OS)
March 11, 2025	Biology (Section A) – Botany, Biology (Section B) – Zoology	–	–
March 12, 2025	I.T/I.TES (IIT), Multi Skilling (MST): Food Processing (MSP), Tourism and Hospitality (THT), Agriculture (AGT), Plumber (PLT), Automotive (ATT), Electronics and Hardware (EHT), Retail (RTT), Construction (CNT), Beauty and Wellness (BWT)	I.T/I.TES (IIT), Multi Skilling (MST): Food Processing (MSP), Tourism and Hospitality (THT), Agriculture (AGT), Plumber (PLT), Automotive (ATT), Electronics and Hardware (EHT), Retail (RTT), Construction (CNT), Beauty and Wellness (BWT)	I.T/I.TES (IIT), Multi Skilling (MST): Food Processing (MSP), Tourism and Hospitality (THT), Agriculture (AGT), Plumber (PLT), Automotive (ATT), Electronics and Hardware (EHT), Retail (RTT), Construction (CNT), Beauty and Wellness (BWT)
March 13, 2025	Information Technology (IT), Geography (GEO), Computer Science (CSC), Bio-Technology (BT), Electronics (ELN)	Information Technology (IT)	Information Technology (IT), Geography (GEO)
March 14, 2025	Economics (ECO)	Cost Accounting (CAC), Business Economics (BSE), Fundamental of Management Accounting (FMA), Computer Application (CA)	Economics (ECO), Personnel Management (IRPM-II)
March 15, 2025	Tourism and Travel Management (TTV), Fashion Technology (FTV), Paramedical and Health Care (PHV), Office Management (OMV), Banking (BNV), Information Technology (ITV), Dairying (DAV), Horticulture (HOV), Electrical Domestic Appliances (EDV), Mobile Technology (MTV)	Tourism and Travel Management (TTV), Fashion Technology (FTV), Paramedical and Health Care (PHV), Office Management (OMV), Banking (BNV), Information Technology (ITV)	Tourism and Travel Management (TTV), Fashion Technology (FTV), Paramedical and Health Care (PHV), Office Management (OMV), Banking (BNV), Information Technology (ITV)
March 16, 2025	–	–	Indian Music (IM), Psychology (PSY), Education (EDU)
March 18, 2025	Statistics (STA)	–	Statistics (STA), Anthropology (ANT), Sociology (SOC)
March 20, 2025	–	Accountancy (ACT)	Logic (LOG)

How to Download Odisha CHSE Date Sheet 2025

The date sheet for Odisha CHSE 2025 exam is published on the official website. Students can download it by following the steps below.

• Visit the official website of CHSE, Odisha - https://chseodisha.nic.in/
• Navigate to the 'Important Links' section on the home page.
• Find the 'Programme for Annual Higher Secondary Examination 2025' link.
• Click on the pdf link and a file will open displaying the date sheet.
• Download the pdf and take a printout for future reference.

Odisha CHSE Exam Pattern 2024-25

The Odisha CHSE exam 2025 will be held in offline mode. Each subject will have a maximum of 100 marks.

The theory portion will carry up to 70 marks while the practicals are held for 30 marks. Subjects which do not have any practical syllabus will have a 100-mark paper.

The Odisha CHSE question paper is divided into several sections. It includes all types of questions ranging from MCQs, short answer types, and long answer types.

The marks weightage is assigned according to the length of answer required. The weightage goes from 1 to 5 marks.

Odisha CHSE Exam Pattern 2025

The Odisha CHSE exam pattern for 2025 varies by stream. The total marks and the split between theory and practicals depend on the subject group.

The table below shows the subject details for each stream.

Stream	Subjects	Theory	Practical	Duration
Language	English/ Hindi/ Odia/ Sanskrit/ Telugu, etc	100	-	3 hours
Science	Botany Zoology Physics Chemistry	70	30	3 hours
Science	Mathematics	100	-	3 hours
Commerce	Business Studies, Statistics , Accounting , Business Mathematics, Computer Applications,	100	-	3 hours
Arts	History, Political science, Economics, education	100	-	3 hours

The question type pattern is the same for almost every subject. However, the pattern differs between science and non-science papers.

Odisha CHSE 2025 Marking Scheme for Non-Science Subjects

Odisha Plus 2 Exam 2025 for non-science subjects is conducted for a total of 100 marks. The marking scheme is given below.

Group	Type of Question	No. Of questions	Marks (each)	Total marks
A	Multiple choice question One word answer type questions	15 15	1 1	30
B	Very short answer type question Short answer type question	11 6	2 3	40
C	Long answer type questions	4	7½	30
Overall	-	-	-	100

Odisha CHSE 2025 Marking Scheme for Science Subjects

The Odisha CHSE Exam 2025 for science subjects is conducted for a total of 70 marks. The marking scheme is given below.

Group	Type of Question	No. Of questions	Marks (each)	Total marks
A	Multiple choice question One word answer type questions	10 10	1 1	20
B	Short answer type questions Medium answer type questions	10 3	2 3	29
C	Long answer type questions	3	7	21
Overall	-	-	-	70

Odisha CHSE 2025 Marking Scheme for Practicals

Odisha CHSE 2025 practicals for the science stream are conducted for a total of 30 marks. The marking scheme is given below.

Type of Questions	Marks
Test 1 MCQ	6
Test 2 MCQ	6
Test 3 MCQ	6
Test 4 descriptive	6
Test 5 descriptive	6
Total	30

Odisha CHSE Syllabus 2024-25

The Odisha CHSE Syllabus 2025 covers the fundamental aspects of each subject. It is designed to prepare students for higher studies and help them choose the right stream.

The syllabus for the session 2024-25 is discussed below subject-wise.

Odisha CHSE English Syllabus 2025

The Odisha CHSE 2025 syllabus for the English subject is given below.

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

Odisha CHSE Chemistry Syllabus 2025

The Odisha CHSE 2025 syllabus for the Chemistry subject is given below.

Odisha CHSE Chemistry Syllabus 2025

The Chemistry syllabus for the Odisha CHSE 2025 exam is divided into 13 chapters. The table below lists the chapters and the topics covered under 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.
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.

Odisha CHSE Physics Syllabus 2025

The Odisha CHSE 2025 syllabus for the Physics subject is provided below.

Odisha CHSE Physics Syllabus 2025

The Physics syllabus for the Odisha CHSE 2025 exam is divided into 11 chapters. The table below lists the chapters and the main topics covered in each.

Chapters	Topics
Electric Charges and Fields	Electric charge and its quantization, conservation of charge, Coulomb’s law, the 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 sorted in a capacitor 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, the force between two parallel current-carrying conductors, torque experienced by a current loop, moving coil galvanometer, and conversion of current from 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’ 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, wattles current, A.C. generator and transformer, etc.
Electromagnetic Waves	The 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 makers 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.
Atoms and Nuclei	Atoms Rutherford’s model of an atom, Bohr model, energy levels, hydrogen spectrum. Nuclei Atomic nucleus, nature of nuclear force, the 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, 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), the 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, a basic idea about the internet, mobile telephony and GPS.

Odisha CHSE Biology Syllabus 2025

The Biology syllabus for the Odisha CHSE 2025 exam is provided below.

Odisha CHSE Biology Syllabus 2025

The Odisha CHSE Biology syllabus for 2025 is divided into five main chapters. Each chapter covers specific topics as listed below.

Reproduction

This chapter covers the process of reproduction in organisms. It includes both asexual and sexual modes of reproduction.

• Reproduction in Organisms: Modes of reproduction.
• Sexual Reproduction in Flowering Plants: Flower structure, development of male and female gametophytes, pollination types, double fertilisation, development of endosperm and embryo, development of seed and formation of fruit, significance of seed and fruit formation.
• Human Reproduction: Male and female reproductive systems, gametogenesis, menstrual cycle, fertilisation, embryo development, pregnancy and placenta formation.
• Reproductive Health: Need for reproductive health, prevention of sexually transmitted diseases, birth control, infertility and assisted reproductive technologies.

Genetics and Evolution

This chapter deals with the principles of heredity and the mechanisms of evolution. It includes the study of genes, DNA, and changes in species over time.

• Heredity and Variation: Mendelian inheritance, pleiotropy, elementary idea of polygenic inheritance, chromosome theory of inheritance, linkage and crossing over.
• Sex Determination: In humans, birds, and honey bees, 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.

Biology and Human Welfare

This chapter focuses on the application of biology for human health and food production. It covers diseases, immunology, and the use of microbes.

• Health and Disease: Pathogens and parasites causing human diseases, basic concepts of immunology and 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

This chapter covers the principles of biotechnology and its use in various fields. It includes genetic engineering and its applications in health and agriculture.

• 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

This chapter deals with the interaction of organisms with their environment. It also covers biodiversity and its conservation.

• Organisms and Environment: Habitat and niche, population and ecological adaptations, interactions (mutualism, competition, predation, parasitism), population attributes.
• Biodiversity and its Conservation: Concept of biodiversity, importance of biodiversity, conservation, hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves, national parks and sanctuaries.

Odisha CHSE Maths Syllabus 2025

Given below is the Odisha CHSE 2025 syllabus for the Maths subject.

Odisha CHSE Mathematics Syllabus 2025

The Mathematics syllabus for the Odisha CHSE 2025 exam is divided into five main chapters. The table below lists the chapters and the topics covered under each.

Chapters	Topics
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

Odisha CHSE Environmental Education Syllabus 2025

The Odisha CHSE 2025 syllabus for Environmental Education is given below. It is divided into six units.

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
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 Admit Card 2025

Information about the Odisha CHSE Admit Card for 2025 is provided in the section below.

Odisha CHSE Admit Card 2025: Release and Distribution

The Odisha CHSE Admit Card 2025 will be available at the regional and divisional offices of CHSE Odisha 30 days before the exam. The board has instructed school authorities to verify the details on the roll number slips against student data and report any errors found.

After this verification, the principal of every private and public school under the CHSE Odisha Board will issue and distribute the original admit card to eligible candidates appearing for the Plus 2 exams in 2025. The school is fully responsible for distributing the Odisha CHSE 2025 admit card in offline mode.

Students who registered privately can download their admit card directly from the official website. If a regular student loses their admit card, they can get another copy online. Online admit card links are posted 10-15 days before the actual exam.

Steps to Download Odisha CHSE Admit Card 2025

Follow these steps to download the admit card for the Odisha Plus 2 exam 2025:

• Visit the Odisha CHSE official website at https://chseodisha.nic.in/.
• Find the latest notifications section in the bottom left corner of the home page.
• Scroll and look for the 'Download Plus Two Admit Card for 2025' link.
• Select the link for the student's stream.
• Enter the required credentials such as name, school code, district, registration number, etc.
• Click on the Submit option.
• The Odisha CHSE 2025 admit card will appear with the candidate's photograph and other details. Click on the download in PDF format option.
• Take a printout for future use and keep it safe until the exams are over.

Odisha CHSE 2025 Exam Day Guidelines

The Odisha CHSE 2025 admit card contains guidelines that all students must follow during the exam. Violating these instructions may cause problems for the student appearing for the exam.

• Each student must arrive at the exam centre 30 minutes before the exam starts.
• All students must carry their own required stationery, water bottles, etc.
• Bringing the Odisha Plus 2 admit card is mandatory for every exam. Without it, the student will not be allowed to enter the exam hall.
• Students are not allowed to talk with each other after receiving the question paper, and any improper behaviour will be condemned.
• No gadgets such as mobile phones, calculators, smart watches, etc. are allowed in the exam hall.
• If a person is found engaging in any malpractice, strict action will be taken. They may be expelled from the hall and their paper will be cancelled.

Odisha CHSE Sample Papers 2025

The board has provided sample papers for the Odisha CHSE Exam 2025 to familiarise students with the exam pattern. Students should check the subject-wise sample papers below and understand the paper pattern.

Subject	Sample Papers
Maths	Check Here
Physics	Check Here
Biology	Check Here
Political Science	Check Here
History	Check Here
Economics	Check Here

Odisha CHSE Exam 2025: Reference Books

Here are some recommended popular reference books that will aid in Odisha CHSE 2025 preparation:

Subject	Popular Reference Books
English	Arihant's English Grammar and Composition Flamingo and Vistas NCERT English Grammar Course Wren and Martin Secondary School Grammar
Maths	RS Agrawal's Higher Secondary School Mathematics for Class 12 I.I.T Maths by M.L. khanna
Physics	New Simplified Physics by S.L. Arora Concepts of Physics by HC Verma
Chemistry	Concise inorganic Chemistry by J.D. Lee ABC of Chemistry by Modern Publications
Biology	Fundamentals of Biology by Oswal Publications

Odisha CHSE Exam 2025: Preparation Tips

Students must follow the given preparation tips to ace the Odisha CHSE Exam 2025:

Preparation Tips for Odisha CHSE 2025

Begin your preparation from the start of the session. Focus on understanding concepts clearly and pay attention to what your teacher explains.

Write short notes and review what you have learned regularly. This helps in retaining information for a longer time.

Organise Your Study Material

Identify the important sections of each chapter. Arrange your notes using diagrams, bullet points, and flowcharts to make revision easier.

Go through these notes from time to time. This keeps the material fresh in your memory.

Use Effective Memorisation Techniques

Try different methods to remember what you study. Some useful techniques include flashcards, blurting, and spaced repetition.

Find the method that works best for you. Apply it consistently to recall study material efficiently.

Study in Groups

Discuss topics with your friends to understand them better. Have interactive study sessions with your tutors to make learning engaging.

Make studying a fun activity. This prevents you from feeling overwhelmed or losing motivation.

Create a Distraction-Free Environment

Minimise distractions to learn effectively. Reduce your screen time and keep your study space clean and organised.

A productive environment helps you concentrate better. It also makes your study sessions more effective.

Maintain a Healthy Balance

Balance your academic goals with your personal life. Do not ignore self-care in the pursuit of good grades.

Students who take care of their health tend to learn and remember better. This ultimately helps in achieving better results.

Practice with Sample Papers

Complete your syllabus on time. Practice sample papers, previous year's question papers, and take mock tests regularly.

This boosts your preparation and improves your time management skills. Both are essential to perform well in the exam.

Frequently Asked Questions

What is the date of Odisha CHSE Result 2025?

Odisha CHSE results will be announced on May 21, 2025.

What is the pass mark for Odisha CHSE Exams 2025?

To pass the Odisha CHSE 2025 exam, a student must score 30% marks or more in each subject. The overall aggregate must be 33% or more.

What is the duration of Odisha CHSE Exam 2025?

The exam duration for Odisha CHSE 2025 is 3 hours. The exam will start at 10 AM and end at 1 PM.

How many exam centres conduct the CHSE exams in Odisha?

There are around 1,145 exam centres across the state. More than 3.5 lakh students appear for the Odisha CHSE exam at these centres.

What are the dates for Odisha CHSE Exams 2025?

Odisha CHSE exams were held from February 18 to March 27, 2025.

Where will the Odisha CHSE 2025 results be released?

Odisha CHSE exam 2025 results will be published on the official websites. These are orissaresults.nic.in and chseodisha.nic.in.

Are results for all streams released on the same day?

Yes, this year Odisha CHSE Results for all three streams will be released on the same day. The streams are Science, Commerce, and Arts.

Can I take the Odisha CHSE exam again after passing class 12?

Yes, you can appear for the supplementary exams if you want to improve your Odisha plus 2 scores.