CHSE Odisha Syllabus 2025-26 - Check CHSE Odisha Syllabus for all Subjects, Download PDF

• My Greatest Olympic Prize
• On Examinations
• The Portrait of a Lady

• Daffodils
• The Ballad of Father Gilligan
• A Psalm of Life

• The Doctor’s Word
• Stay Hungry. Stay Foolish
• Mystery of the Missing Cap

• Interpreting Graph, Charts, Tables and diagrams etc
• Reporting Events and Business Matters
• Extended Writing

• The Passive
• Direct and Reported Speech
• Interrogatives
• Phrasal Verbs

• 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.

• Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids
• solid solutions, colligative properties.
• Relative lowering of vapour pressure, Raoult’s law, elevation of boiling point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative
• properties,
• abnormal molecular mass, van Hoff factor

• 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.

• 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.

• 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.

• Principles and methods of extraction.
• concentration, oxidation, reduction.
• electrolytic method and refining.
• occurrence and principles of extraction of aluminium, copper, zinc and iron.

• Group15, Group 17 and Group 18 Elements-
• General introduction, electronic configuration, occurrence, properties, classification, preparation of different compounds and their use.

• 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 - 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 - 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- 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

• Nomenclature, methods of preparation, physical and chemical properties, mechanism of nucleophilic addition, reactivity of alpha hydrogen in aldehydes uses, uses of carboxylic acids.

• Nomenclature classification, structure, methods of preparation, physical and chemical properties,
• Uses, identification of primary, secondary and tertiary amines.
• Diazonium salt

• Classification- polymerization, co-polymerization,
• some important polymers-
• polythene, nylon, polyester, bakelite, rubber.
• Biodegradable and non-biodegradable polymers.

• 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

• 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

• 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.

• 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.

• 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.

• Relations and Functions
• Inverse Trigonometric Functions
• Linear Programming

• Matrices
• Determinants
• Probability

• Continuity and Differentiability
• Applications of Derivatives

• Integrals
• Applications of the Integrals
• Differential Equations

• Vectors
• Three-dimensional Geometry

Electric charges and fields

15

Electrostatic potential and capacitance

Current Electricity

Magnetic effect of Current and magnetism

16

Magnetism and matter

Electromagnetic induction and Alternating current

Electromagnetic waves

17

Optics

Waves Optics

Dual nature of Radiation and matter

10

Atoms and Nuclei

Semiconductor electronics

12

Communication System

Total marks

• 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

• 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

• 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.

• Scope of Environmental Management
• Management of solid, liquid and gaseous wastes
• Resource Management
• Disaster Management (flood, cyclone and earthquake)
• Concept of sustainable development

• 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

• 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