ICSE Class X Syllabus 2027 has been prescribed by the Council for the Indian School Certificate Examinations (CISCE) for students appearing in the 2027 board examinations. The syllabus covers all subjects under Group I (compulsory), Group II, and Group III for the academic year 2026–27. You must download the official ICSE 2027 syllabus PDF from cisce.org to plan your preparation effectively.

  • The ICSE Class X 2027 syllabus covers subjects across three groups: Group I (compulsory languages and social sciences), Group II (optional sciences and mathematics), and Group III (skill and vocational subjects).
  • The syllabus is stable for 2026–27 — no major topics have been added or removed compared to the previous academic year.
  • Group I and Group II papers follow an 80 marks theory + 20 marks internal assessment pattern (total 100 marks per subject).
  • Group III subjects follow a 50 marks theory + 50 marks practical pattern.
  • Mathematics carries the highest individual chapter weightage, with Algebra alone contributing approximately 32 marks out of 80.
  • The official ICSE 2027 syllabus PDF is available at cisce.org under the Publications section.
  • ICSE theory examinations for 2027 are expected between February and March 2027.

You should cover the complete unit-wise syllabus for each subject and practise with previous year question papers to maximise your score in the ICSE 2027 board exam.

Download ICSE Class X 2027 Syllabus Subject-wise PDFs

ICSE Class X Syllabus 2027: Download Subject-wise PDFs

CISCE has published the official ICSE Class X syllabus PDFs for the 2026–27 academic year on its website. You can download subject-wise PDFs directly from cisce.org.

ICSE Class X Syllabus 2027: Overview

ICSE Class X Syllabus 2027: Overview

The ICSE (Indian Certificate of Secondary Education) Class X examination is conducted by CISCE (Council for the Indian School Certificate Examinations). The 2027 board exams cover the academic year 2026–27 syllabus. ICSE is known for its comprehensive curriculum, with a greater emphasis on English, application-based learning, and practical skills than most other boards in India.

Parameter Details
Conducting Body CISCE (Council for the Indian School Certificate Examinations)
Exam Name ICSE — Indian Certificate of Secondary Education
Class Class X (Grade 10)
Academic Year 2026–27
Board Exam Year 2027
Official Website cisce.org
Total Subject Groups 3 Groups (I, II, III)
Group I (Compulsory) English Language, Literature in English, History & Civics, Geography, Second Language
Group II (Optional — choose at least 2) Mathematics, Physics, Chemistry, Biology, Computer Applications, Economic Applications, and more
Group III (Practical / Vocational) Art, Cookery, Fashion Designing, Home Science, Physical Education, etc.
Marking Scheme (Group I & II) 80 marks (Theory) + 20 marks (Internal Assessment) = 100 marks
Marking Scheme (Group III) 50 marks (Theory) + 50 marks (Practical) = 100 marks
Exam Duration (Theory) 2 to 3 hours depending on the subject paper
ICSE Class X Important Dates 2027

ICSE Class X Syllabus 2027: Important Dates

The table below lists key dates for the ICSE Class X 2027 board examination cycle. Upcoming events appear first, followed by events that have already occurred.

Event Expected / Actual Date Status
Practical Examinations January – February 2027 (Expected) Upcoming
ICSE Theory Examinations Begin February 16, 2027 (Expected) Upcoming
ICSE Theory Examinations End March 21, 2027 (Expected) Upcoming
ICSE Class X 2027 Results Declaration May 2027 (Expected) Upcoming
ICSE Class X Syllabus 2026–27 Released 2026 Over

Note: The above dates are based on previous year trends. Official exam dates will be confirmed by CISCE on cisce.org.

ICSE Class X English Language Syllabus 2027

ICSE Class X English Language Syllabus 2027

The ICSE English Language paper (Paper 1, Group I) carries 80 marks and tests writing skills, grammar, and reading comprehension. This paper is compulsory for all ICSE Class X students and must be passed to receive the certificate. The duration is 2 hours.

Section Topic Marks (out of 80)
Composition

Composition Topics - Click Here

Directed Writing (Notice, Letter, Report, Article, Speech); Essay Writing (Descriptive, Narrative, Argumentative, Discursive); Short Composition (dialogue, summary, email).

30
Comprehension and Summary

Comprehension Topics - Click Here

Unseen prose passage; questions on content, inference, vocabulary in context; summary writing (identifying and presenting main points from the passage in your own words).

30
Grammar

Grammar Topics - Click Here

Sentence transformation; sentence combination; gap-filling (prepositions, conjunctions, articles); error correction; rearranging jumbled sentences; active and passive voice; direct and indirect speech; degrees of comparison.

20
ICSE Class X Literature in English Syllabus 2027

ICSE Class X Literature in English Syllabus 2027

Literature in English (Paper 2, Group I) covers prescribed prose, poetry, and drama texts. CISCE prescribes specific texts for each academic year; verify the exact prescribed books for 2026–27 from the official ICSE specimen paper on cisce.org. The paper carries 80 marks and lasts 2 hours.

Section Component Details
Section A — Drama or Prose Text Prescribed Text Character analysis, theme, setting, and extract-based contextual questions from the prescribed play or prose text (Shakespeare or other prescribed author as per CISCE list).
Section B — Poetry Prescribed Poems Questions on meaning, poetic devices, tone, theme, and extract-based contextual questions from the prescribed poetry anthology.
Section C — Short Stories or Novel Prescribed Short Stories or Novel Character analysis, plot summary, extract-based comprehension, and theme-based essay questions on the prescribed short story collection or novel.
ICSE Class X History and Civics Syllabus 2027

ICSE Class X History and Civics Syllabus 2027

History and Civics is Paper 1 of the Humanities, Civics and Geography (H.C.G.) Group I combination. The paper carries 80 marks and is split into two parts — Civics (the Indian Union government) and History (Indian national movement and world history).

Part Unit Key Topics
Part I — Civics The Union Legislature

Union Legislature Topics - Click Here

Parliament of India; Lok Sabha — composition, qualifications for membership, term, Speaker, functions; Rajya Sabha — composition, election, term, Chairman, functions; Parliamentary Procedures — sessions, quorum, question hour, no-confidence motion, adjournment motion.

Part I — Civics The Union Executive

Union Executive Topics - Click Here

The President — election, qualifications, term, powers (executive, legislative, judicial, emergency); The Vice-President; The Prime Minister and Council of Ministers — appointment, powers, collective responsibility; The Attorney General of India.

Part I — Civics The Judiciary

Judiciary Topics - Click Here

The Supreme Court — composition, appointment of judges, jurisdiction (original, appellate, advisory, writ); High Courts — composition and jurisdiction; Subordinate Courts; Judicial review and independence of the judiciary.

Part II — History The Indian National Movement (1857–1947)

Indian National Movement Topics - Click Here

First War of Independence (1857); Growth of Nationalism — formation of Congress, Moderates and Extremists; Partition of Bengal and Swadeshi Movement; Home Rule Movement; Non-Cooperation Movement (1920–22); Civil Disobedience Movement (1930–34); Quit India Movement (1942); Role of Subhash Chandra Bose and the INA; The Last Phase (1945–47) and Transfer of Power.

Part II — History Contemporary World History

World History Topics - Click Here

The First World War (1914–1918) — causes, major events, results; Rise of Fascism and Nazism in Europe; The Second World War (1939–45) — causes, events, consequences; The United Nations Organisation — formation, structure, objectives, principal organs, role; Non-Aligned Movement — origin and significance.

ICSE History and Civics Chapter-wise Weightage 2027

Unit Topics Approximate Marks (out of 80)
Civics — Union Legislature Lok Sabha, Rajya Sabha, Parliamentary Procedures 12–15
Civics — Union Executive President, Vice-President, Prime Minister, Council of Ministers 12–15
Civics — Judiciary Supreme Court, High Courts, Judicial Review 8–10
History — Indian National Movement 1857 to Transfer of Power (1947) 20–24
History — World History WWI, WWII, UN, Non-Aligned Movement 16–18
ICSE Class X Geography Syllabus 2027

ICSE Class X Geography Syllabus 2027

Geography is Paper 2 of the H.C.G. combination under Group I and carries 80 marks. The paper includes a compulsory map-based component. Map work carries up to 10 marks and requires regular practice using a blank outline map of India.

Unit Chapter Key Topics
1 Soils

Soils Topics - Click Here

Types of soils — alluvial, black, red, laterite, mountain, desert soils; Factors affecting soil formation; Types of soil erosion and conservation methods; Importance of soil conservation for agriculture.

2 Natural Vegetation

Natural Vegetation Topics - Click Here

Types of natural vegetation — tropical evergreen forests, tropical deciduous forests, tropical thorn and scrub, mountain vegetation, mangrove forests; Distribution across India; Importance and conservation of forests.

3 Water Resources

Water Resources Topics - Click Here

Sources of water — rivers, lakes, groundwater; Multipurpose river valley projects (Bhakra Nangal, Damodar Valley, Hirakud); Rainwater harvesting; Water scarcity and conservation strategies.

4 Mineral and Energy Resources

Mineral and Energy Resources Topics - Click Here

Metallic minerals — iron ore, copper, bauxite, manganese; Non-metallic minerals — mica, limestone; Conventional energy — coal, petroleum, natural gas; Non-conventional energy — solar, wind, hydroelectric, biogas, tidal energy.

5 Agriculture

Agriculture Topics - Click Here

Types of farming — subsistence, commercial, mixed, plantation; Major food crops — rice, wheat, pulses, millets; Major cash crops — cotton, jute, sugarcane, tea, coffee; Green Revolution and its impact on Indian agriculture.

6 Industries

Industries Topics - Click Here

Classification of industries; Major industries — Cotton Textile (Mumbai–Ahmedabad belt), Iron and Steel (Jamshedpur, Bhilai, Rourkela), Petrochemicals, Software (Bengaluru, Hyderabad, Pune); Factors of industrial location; Industrial pollution and control measures.

7 Transport

Transport Topics - Click Here

Types of transport — road, rail, water, air, pipeline; Golden Quadrilateral and National Highways; Indian Railways — zones, importance; Major airports and seaports in India; Importance of transport in economic development.

8 Map Work Identification and marking of major rivers, mountain ranges, peaks, cities, industries, crop-producing regions, and mineral belts on a blank political map of India.
ICSE Class X Mathematics Syllabus 2027

ICSE Class X Mathematics Syllabus 2027

Mathematics is the most popular Group II subject for ICSE Class X. The Mathematics theory paper carries 80 marks and lasts 2.5 hours; internal assessment contributes the remaining 20 marks. Algebra has the highest chapter-level weightage at approximately 32 marks out of 80.

Unit Chapter Sub-topics
1 Commercial Mathematics

Commercial Mathematics Topics - Click Here

GST (Goods and Services Tax) — concept, types (CGST, SGST, IGST), calculation with input tax credit; Banking — savings accounts, recurring deposits, fixed deposits, interest calculations; Shares and Dividends — face value, market value, rate of return, annual income from shares.

2 Algebra

Algebra Topics - Click Here

Linear Inequations in one variable; Quadratic Equations in one variable (factorisation and quadratic formula); Ratio and Proportion (proportion, componendo-dividendo rule); Factorisation of polynomials; Matrices — order, types, addition, subtraction, multiplication of 2×2 matrices; Arithmetic Progressions — nth term, sum of n terms; Geometric Progressions — nth term and sum; Co-ordinate Geometry — distance formula, section formula, mid-point formula, equation of a straight line, slope.

3 Geometry

Geometry Topics - Click Here

Similarity — similar triangles (AA, SAS, SSS), applications to maps and models, areas of similar triangles; Loci — concept of locus, standard loci results; Circles — arc and chord properties, angle subtended by a chord, cyclic quadrilateral properties; Tangent and Secant — tangent to a circle at a point, properties; Constructions — circumscribed and inscribed circles of triangles, tangents from an external point.

4 Mensuration

Mensuration Topics - Click Here

Surface area and volume of 3D solids — Cylinder (curved surface area, total surface area, volume); Cone (slant height, curved surface area, total surface area, volume); Sphere (surface area, volume); Hemisphere (curved and total surface area, volume); Combination of solids (e.g., cone mounted on a cylinder, hemisphere on a cylinder).

5 Trigonometry

Trigonometry Topics - Click Here

Trigonometric identities — proving and using standard identities; Heights and Distances — angle of elevation, angle of depression; Problems involving right-angled triangles using sin, cos, tan, cosec, sec, cot.

6 Statistics

Statistics Topics - Click Here

Graphical representation — Histogram, Frequency Polygon, Ogive (cumulative frequency curve); Measures of central tendency — Mean (direct, short-cut, step-deviation methods for grouped data), Median (from ogive), Mode (from histogram); Quartiles and inter-quartile range from ogive.

7 Probability

Probability Topics - Click Here

Classical definition of probability; Random experiments; Sample space; Events — simple, compound, complementary; Probability of an event; Problems on playing cards, dice, and coins; Probability scale (0 to 1).

ICSE Mathematics Chapter-wise Weightage 2027

Unit Chapters Included Approximate Marks (out of 80)
Algebra Linear Inequations, Quadratic Equations, Ratio & Proportion, AP/GP, Matrices, Co-ordinate Geometry 32
Geometry Similarity, Circles, Tangents, Constructions 16–18
Commercial Mathematics GST, Banking, Shares & Dividends 12–14
Statistics Histogram, Ogive, Mean, Median, Mode 8–10
Mensuration Cylinder, Cone, Sphere, Combination of Solids 8–10
Trigonometry Identities, Heights and Distances 6–8
Probability Classical Probability 4–6
ICSE Class X Physics Syllabus 2027

ICSE Class X Physics Syllabus 2027

Physics is Paper 1 of Science under Group II for ICSE Class X. The theory paper carries 80 marks (2 hours) and the practical carries 20 marks, assessed by the school and moderated by CISCE. Section A (40 marks) has compulsory short-answer questions; Section B (40 marks) offers internal choice.

Unit Chapter Sub-topics
1 Force

Force Topics - Click Here

Turning effect of forces — moment of a force, torque, principle of moments; Centre of gravity — location in regular bodies, stability (stable, unstable, neutral equilibrium); Uniform circular motion — centripetal force, examples (Earth’s orbit, car on a curved road).

2 Work, Energy and Power

Work, Energy and Power Topics - Click Here

Work done by a force; Kinetic energy and Potential energy — formulae and examples; Law of conservation of energy; Power — formulae and units; Simple machines — levers (classes I, II, III), pulley systems (single fixed, single movable, block and tackle); Mechanical Advantage (MA), Velocity Ratio (VR), Efficiency — relationships and calculations.

3 Light — Refraction and Lenses

Light Topics - Click Here

Refraction at a plane surface — laws of refraction, refractive index, Snell’s Law, apparent depth; Total internal reflection — critical angle, conditions, applications (optical fibre, prism periscope, sparkling of diamonds); Refraction through a lens — convex and concave lenses, lens formula, magnification, power of a lens; Human eye — structure, accommodation, defects (myopia, hypermetropia, presbyopia) and correction; Simple microscope and astronomical telescope (ray diagrams).

4 Spectrum

Spectrum Topics - Click Here

Electromagnetic spectrum — members, wavelength range, and uses; Dispersion of white light through a prism; Scattering of light — Rayleigh scattering; Why the sky is blue and sunsets are red; Colours of objects.

5 Sound

Sound Topics - Click Here

Properties of sound waves (longitudinal, transverse); Characteristics of sound — pitch, loudness, quality (timbre); Speed of sound in different media; Reflection of sound — echo, reverberation; Resonance; Free and forced vibrations; Applications of sound reflection (SONAR, acoustics of buildings).

6 Electricity and Magnetism

Electricity and Magnetism Topics - Click Here

Ohm’s Law; Resistance — factors affecting it, specific resistance (resistivity); Series and parallel circuits — equivalent resistance, current and voltage; EMF and internal resistance; Electrical power and energy — formulae and units; Domestic electric circuits — earthing, fuses, MCBs, safety precautions; Magnetic effect of current — Oersted’s experiment, field due to a straight conductor and a coil; Electromagnets; Force on a current-carrying conductor (Fleming’s Left-Hand Rule); DC Motor; Electromagnetic induction — Faraday’s Laws, Fleming’s Right-Hand Rule, AC Generator; Transformer (principle, step-up, step-down).

7 Heat

Heat Topics - Click Here

Calorimetry — heat capacity, specific heat capacity, principle of calorimetry (method of mixtures); Latent heat — specific latent heat of fusion and vaporisation; Numerical problems on heat gained and heat lost.

8 Modern Physics

Modern Physics Topics - Click Here

Radioactivity — alpha, beta, gamma radiations; Properties of nuclear radiations; Background radiation; Detectors of radiation (Geiger-Müller tube); Safe handling and uses of radioisotopes; Nuclear energy — fission chain reaction, fusion; Basic principle of a nuclear reactor.

ICSE Physics Chapter-wise Weightage 2027

Chapter Approximate Marks (out of 80)
Electricity and Magnetism 16–18
Light — Refraction and Lenses 14–16
Work, Energy, Power and Machines 10–12
Heat and Calorimetry 8–10
Modern Physics 8–10
Force 8–10
Sound 6–8
Spectrum 4–6
ICSE Class X Chemistry Syllabus 2027

ICSE Class X Chemistry Syllabus 2027

Chemistry is Paper 2 of Science under Group II. The theory paper carries 80 marks and the practical carries 20 marks. Numerical problems appear frequently in the Mole Concept and Electrolysis units. Students must also practise balanced chemical equations for every reaction-based chapter.

Unit Chapter Sub-topics
1 Periodic Table

Periodic Table Topics - Click Here

Periodic properties — atomic size, metallic character, electron affinity, electronegativity, ionisation energy; Variation across periods and down groups; Significance of the Modern Periodic Table.

2 Chemical Bonding

Chemical Bonding Topics - Click Here

Electrovalent (ionic) bonds — electron transfer, formation of ions, properties of ionic compounds; Covalent bonds — electron sharing, single, double and triple bonds, properties; Co-ordinate (dative) bonds; Comparison of ionic and covalent compounds.

3 Acids, Bases and Salts

Acids, Bases and Salts Topics - Click Here

Properties of acids and bases (Arrhenius concept); pH scale; Neutralisation reactions; Types of salts — normal, acid, basic, double, complex; Methods of preparation of salts; Properties of salts.

4 Analytical Chemistry

Analytical Chemistry Topics - Click Here

Identification of cations: Na+, K+, Ca2+, Fe2+, Fe3+, Cu2+, Zn2+, Al3+, NH4+, Pb2+; Identification of anions: Cl−, SO42−, CO32−, NO3−; Tests using specific reagents; Flame test colours; Colour of compounds.

5 Mole Concept and Stoichiometry

Mole Concept Topics - Click Here

Atomicity; Relative Atomic Mass and Molecular Mass; Mole — Avogadro’s number; Molar mass; Gay-Lussac’s Law of combining volumes; Molar volume at STP; Percentage composition; Empirical and molecular formulae; Stoichiometric calculations from balanced equations.

6 Electrolysis

Electrolysis Topics - Click Here

Electrolytes and non-electrolytes; Electrolytic dissociation; Electrolysis of dilute sulphuric acid; Electrolysis of acidified water; Electrolysis of brine (sodium chloride solution); Discharge of ions at electrodes; Applications — electroplating, electrorefining, extraction of aluminium.

7 Metallurgy

Metallurgy Topics - Click Here

Occurrence of metals; Activity series and extraction methods; Extraction of zinc (reduction) and iron (blast furnace); Alloys — composition and uses (brass, bronze, stainless steel); Corrosion — rusting of iron, prevention methods (galvanising, electroplating, painting).

8 Study of Compounds — Ammonia and Nitric Acid

Ammonia and Nitric Acid Topics - Click Here

Ammonia — laboratory preparation (ammonium chloride + calcium hydroxide), industrial preparation (Haber Process), physical and chemical properties, uses (fertilisers, refrigerants); Nitric Acid — laboratory preparation (copper + conc. HNO3), industrial preparation (Ostwald Process), dilute and concentrated acid properties, uses.

9 Study of Compounds — Sulphuric Acid

Sulphuric Acid Topics - Click Here

Industrial preparation (Contact Process — steps and conditions); Properties of dilute H2SO4 as an acid; Properties of concentrated H2SO4 as a dehydrating agent and as an oxidising agent; Reactions with metals and non-metals; Uses.

10 Organic Chemistry

Organic Chemistry Topics - Click Here

Introduction to organic compounds; Hydrocarbons — alkanes, alkenes, alkynes (IUPAC nomenclature, preparation, properties, substitution and addition reactions); Homologous series; Isomerism (structural); Functional groups; Ethanol — preparation (fermentation, hydration of ethylene), properties, uses; Ethanoic acid — preparation, properties, uses.

ICSE Chemistry Chapter-wise Weightage 2027

Chapter Approximate Marks (out of 80)
Study of Compounds (Ammonia, Nitric Acid, Sulphuric Acid) 12–14
Acids, Bases and Salts 10–12
Analytical Chemistry 8–10
Mole Concept and Stoichiometry 8–10
Electrolysis 8–10
Organic Chemistry 8–10
Metallurgy 6–8
Periodic Table and Chemical Bonding 8–10
ICSE Class X Biology Syllabus 2027

ICSE Class X Biology Syllabus 2027

Biology is Paper 3 of Science under Group II for ICSE Class X. The theory paper carries 80 marks and the practical carries 20 marks. Human anatomy and physiology is the most heavily tested section, covering multiple organ systems. Diagrams with accurate labels are compulsory in Biology and carry dedicated marks every year.

Unit Chapter Sub-topics
1 Cell Biology

Cell Biology Topics - Click Here

Cell as the basic unit of life; Cell organelles — nucleus, mitochondria, chloroplast, endoplasmic reticulum, Golgi body, ribosomes, vacuoles, lysosomes, centrosome; Cell division — Mitosis (phases and significance), Meiosis (overview and significance in reproduction and variation); Comparison of plant and animal cells.

2 Plant Physiology

Plant Physiology Topics - Click Here

Absorption and Ascent of Sap — osmosis, plasmolysis, root pressure, cohesion-tension theory; Transpiration — types (stomatal, lenticular, cuticular), significance, factors affecting, wilting; Photosynthesis — light and dark reactions, chloroplasts, factors affecting, significance; Respiration in plants — aerobic and anaerobic, Krebs cycle (overview); Growth regulators — auxins and gibberellins (role).

3 Human Anatomy and Physiology — Circulatory and Excretory Systems

Circulatory and Excretory System Topics - Click Here

Circulatory System — structure of the human heart, cardiac cycle, blood vessels (arteries, veins, capillaries), blood composition (plasma, RBCs, WBCs, platelets), ABO blood groups, Rh factor, disorders (hypertension, coronary artery disease); Excretory System — structure of the kidney, nephron (diagram), process of urine formation (glomerular filtration, tubular reabsorption, tubular secretion), kidney disorders (kidney stones, dialysis).

4 Human Anatomy and Physiology — Nervous and Endocrine Systems

Nervous and Endocrine System Topics - Click Here

Nervous System — neuron structure, central nervous system (brain and spinal cord), peripheral nervous system, autonomic nervous system, reflex arc, sense organs (structure of the eye and ear); Endocrine System — major glands (pituitary, thyroid, parathyroid, adrenal, pancreas, gonads), hormones and their functions, feedback mechanism, diabetes mellitus.

5 Human Anatomy and Physiology — Reproductive System

Reproductive System Topics - Click Here

Male and female reproductive organs (labelled diagrams); Menstrual cycle; Fertilisation; Foetal development; Birth and parturition; Sexually transmitted infections (STIs) and their prevention.

6 Genetics

Genetics Topics - Click Here

Mendel’s Laws — Law of Segregation, Law of Independent Assortment; Monohybrid and dihybrid crosses; Punnett square method; Phenotype, genotype, dominant, recessive alleles; Sex determination in humans (XX/XY); Hereditary diseases — haemophilia, colour blindness, sickle-cell anaemia, Down’s syndrome.

7 Evolution

Evolution Topics - Click Here

Theories of evolution — Lamarck’s theory (use and disuse), Darwin’s theory (natural selection, survival of the fittest, variations); Evidence for evolution — fossil record, comparative anatomy (homologous and analogous organs), embryology; Human evolution (brief overview).

8 Health and Hygiene

Health and Hygiene Topics - Click Here

Bacterial diseases — tuberculosis, cholera (causes, symptoms, prevention); Viral diseases — dengue, influenza, AIDS/HIV; Protozoan diseases — malaria, amoebic dysentery; Vaccination and immunisation; Tobacco, alcohol, and drug abuse — effects on health and society; Cancer — types, causes, treatment basics; AIDS — transmission and prevention.

9 Population and Environment

Population and Environment Topics - Click Here

Population growth — causes, demographic transition, consequences, control measures; Environmental issues — deforestation (causes and effects), pollution (air, water, soil, noise — sources and control); Ozone layer depletion — causes and effects; Global warming and greenhouse effect; Conservation of biodiversity; Sustainable development.

ICSE Biology Chapter-wise Weightage 2027

Chapter Approximate Marks (out of 80)
Human Anatomy and Physiology (all systems combined) 28–32
Plant Physiology 12–14
Genetics 10–12
Cell Biology 8–10
Health and Hygiene 8–10
Evolution 6–8
Population and Environment 6–8
ICSE Class X Deleted Topics 2027

ICSE Class X Deleted / Reduced Topics 2027

CISCE has not announced any major topic deletions for the ICSE Class X syllabus for 2026–27 (2027 board exams). The syllabus is stable compared to 2025–26. If CISCE releases a revised or reduced syllabus later in the academic year, this page will be updated accordingly.

Subject Topic Removed / Reduced Status
English Language No deletions announced Stable
Mathematics No deletions announced Stable
Physics No deletions announced Stable
Chemistry No deletions announced Stable
Biology No deletions announced Stable
History and Civics No deletions announced Stable
Geography No deletions announced Stable

Source: CISCE Official Website — Publications

Best Books for ICSE Class X 2027

Best Books for ICSE Class X 2027

Choosing the right textbooks for ICSE Class X 2027 can significantly improve your preparation. The Selina Concise series is the most widely recommended primary reference for ICSE students across all science subjects and Mathematics. Use these books alongside the official CISCE-prescribed textbooks.

Subject Book Name Author / Publisher Why This Book
Mathematics Concise Mathematics for Class X R.K. Bansal / Selina Publications Aligned precisely with the CISCE syllabus; clear worked examples and graded exercises for every chapter.
Mathematics Understanding ICSE Mathematics Class X M.L. Aggarwal / APC Publications Excellent for in-depth practice; covers all question types from easy to advanced and includes board-pattern problems.
Physics Concise Physics for Class X Selina Publications Covers all ICSE Physics units with solved board questions, numericals, and specimen paper practice.
Physics Together With ICSE Physics Class X Dr Mukesh Kumar Gandhi / Rachna Sagar Comprehensive coverage with previous year papers and topic-wise practice questions.
Chemistry Concise Chemistry for Class X R.D. Madan / Selina Publications Covers all reaction equations and Mole Concept numericals as per CISCE requirements.
Chemistry ICSE Chemistry Book 2 K.L. Chugh / Kalyani Publishers Strong on Analytical Chemistry; useful for both theory and practical preparation.
Biology Concise Biology for Class X Selina Publications Accurate diagrams with correct labels; chapter summaries make revision efficient.
Biology Together With ICSE Biology Class X D.K. Rao / Rachna Sagar Includes Genetics problems (Punnett squares) and fully solved board papers.
History and Civics A New Approach to History and Civics for Class X I.C. Dhingra / Sultan Chand Covers both Civics and History in depth; well-structured for long-answer board format.
Geography A New Certificate Physical and Human Geography G.C. Leong / Oxford University Press Excellent for physical geography concepts and building map interpretation skills.
English Language Treasure Chest — Poems and Short Stories Xavier Pinto / Morning Star Standard reference for ICSE Literature in English prescribed texts; includes contextual questions and answers.
How to Download ICSE Class X Syllabus 2027 PDF

How to Download ICSE Class X Syllabus 2027 PDF

Follow these steps to download the official ICSE Class X 2027 syllabus PDF from the CISCE website.

  1. Visit the official CISCE website at www.cisce.org.
  2. Hover over the "Publications" tab in the top navigation menu.
  3. Click on "Regulations and Syllabuses" from the dropdown menu.
  4. Select "ICSE" to access the Class X syllabus section.
  5. Choose the subject for which you want to download the syllabus PDF.
  6. Click the PDF link — it will open in a new browser tab.
  7. Press Ctrl + S (Windows) or Cmd + S (Mac) to save the PDF to your device. Alternatively, use the download icon in your PDF viewer.

Note: You can also download the full "Regulations and Syllabuses for the ICSE" document from cisce.org, which contains the complete subject-wise syllabus for all Group I, II, and III subjects in a single PDF.

ICSE Class X 2027 Subject-wise Preparation Tips

ICSE Class X 2027 Subject-wise Preparation Tips

Use these subject-wise strategies to cover the ICSE Class X 2027 syllabus efficiently and score well in the board exam.

English Language

  • Practise letter writing, essay writing, and notice writing regularly. Each format follows fixed conventions.
  • Read quality newspapers daily to build vocabulary and improve comprehension speed.
  • Solve at least 10 previous year Grammar sections to cover all sentence transformation types.
  • Grammar questions carry 20 marks — do not skip sentence transformation practice.
  • Practise summary writing by identifying 5–6 key ideas from unseen passages under timed conditions.

Mathematics

  • Start with Algebra — it carries approximately 32 marks, the highest of any single unit.
  • Practise Co-ordinate Geometry problems daily. Formula recall alone is not enough; application matters.
  • Solve Section A-type short-answer questions from all chapters. This section is compulsory.
  • Complete all exercises in the Selina Concise Mathematics book before moving to specimen papers.
  • Revise mensuration formulae for cylinders, cones, and spheres at least a week before the exam.

Physics

  • Focus heavily on Light (refraction and lenses) and Electricity — together they account for about 30 marks.
  • Practise numericals on Ohm’s Law, series-parallel circuits, and the lens formula daily.
  • Draw neat, labelled ray diagrams for optics and circuit diagrams for electricity questions.
  • Understand the working principle of machines (levers, pulley systems) rather than memorising numbers.
  • Revise Modern Physics (radioactivity and nuclear energy) — it is frequently asked in Section A.

Chemistry

  • Memorise all balanced chemical equations. Equations carry marks in every section of the Chemistry paper.
  • Analytical Chemistry (identification of cations and anions) is directly linked to practicals. Learn all colour changes and reagent tests.
  • Practise Mole Concept numericals every alternate day. Calculation accuracy is essential here.
  • Study the preparation and properties of ammonia, nitric acid, and sulphuric acid in full — these are high-yield chapters every year.
  • Make a one-page reference sheet of all industrial processes (Haber, Ostwald, Contact) with conditions.

Biology

  • Practise drawing labelled diagrams of the heart, kidney, nephron, brain, eye, and ear regularly. These are asked every year.
  • Genetics problems (Punnett squares, ratios) are predictable. Practise all standard 10 question types.
  • Make a two-page summary of all hormones and their functions. The endocrine system is asked annually.
  • Do not skip Plant Physiology — photosynthesis and transpiration regularly carry 10–12 marks combined.
  • For Health and Hygiene, learn the pathogen, mode of transmission, and prevention for each disease.

History and Civics

  • Write structured answers with dates and names for History questions. Organised factual recall scores well.
  • Create flow-chart notes for the Union Legislature, Union Executive, and Judiciary. These are asked every year.
  • Practise Part II long-answer questions on the Indian National Movement using the 8–10 marks format.
  • For World History, focus on causes and consequences of both World Wars and the formation of the UN.

Geography

  • Map work is compulsory. Mark all major rivers, mountain ranges, cities, and industries on a blank India map weekly.
  • Learn the characteristics of each soil type and vegetation zone alongside the key states they occur in.
  • Agriculture and Industries are high-scoring chapters — study them using a location-factor-example framework.
  • For Transport, memorise the Golden Quadrilateral route and major ports with their locations.
ICSE Class X Syllabus 2027 FAQs

ICSE Class X Syllabus 2027 FAQs

Ques. Is the ICSE Class X syllabus 2027 the same as last year?

Ans. Yes, the ICSE Class X syllabus for 2027 (academic year 2026–27) is largely the same as the 2025–26 syllabus. CISCE has not announced any major topic deletions or additions for any subject as of July 2026. You should check cisce.org periodically for any official updates during the academic year.

Ques. How many subjects are compulsory in ICSE Class X 2027?

Ans. All Group I subjects are compulsory. These include English Language, Literature in English, History and Civics, Geography, and a Second Language. From Group II, most schools require students to offer at least two subjects. English Language must be passed to receive the ICSE certificate.

Ques. What is the marking scheme for ICSE Class X 2027?

Ans. For Group I and Group II subjects, the theory paper carries 80 marks and internal assessment carries 20 marks, totalling 100 marks per subject. For Group III subjects (art, home science, physical education, etc.), the theory carries 50 marks and the practical carries 50 marks.

Ques. Which subject has the highest chapter-wise weightage in ICSE Mathematics 2027?

Ans. Algebra is the highest-weighted unit in ICSE Class X Mathematics 2027. It carries approximately 32 marks out of 80 in the theory paper. This unit covers Quadratic Equations, Linear Inequations, Matrices, Arithmetic and Geometric Progressions, Ratio and Proportion, and Co-ordinate Geometry.

Ques. Where can I download the official ICSE 2027 syllabus PDF?

Ans. You can download the official ICSE Class X 2027 syllabus PDF from the CISCE website at cisce.org. Go to the Publications section, select "Regulations and Syllabuses," and choose ICSE. Individual subject-wise PDFs are available for download. The full regulation document also contains the complete syllabus for all subjects.

Ques. Has the ICSE syllabus been revised or reduced for 2027?

Ans. As of July 2026, CISCE has not announced any syllabus reduction or revision for ICSE Class X 2027. The 2026–27 syllabus is stable compared to 2025–26. You should check cisce.org for any official circular if a revision is announced later in the academic year.

Ques. Which are the most important chapters in ICSE Physics 2027?

Ans. Light (Refraction and Lenses) and Electricity and Magnetism are the highest-weightage chapters in ICSE Physics 2027. Together they account for approximately 30–34 marks out of 80. Work, Energy, Power and Machines and Modern Physics are also important and appear in both Section A and Section B every year.

Ques. Is ICSE Class X Biology divided into Botany and Zoology?

Ans. The ICSE Class X Biology syllabus is not formally split into separate Botany and Zoology papers. Both plant physiology (photosynthesis, transpiration, respiration) and human anatomy (circulatory, nervous, excretory, endocrine, reproductive systems) are covered in the single Science Paper 3 (Biology) under Group II.

Ques. What books should I follow for ICSE Class X Chemistry 2027?

Ans. The most recommended books for ICSE Class X Chemistry 2027 are "Concise Chemistry for Class X" by R.D. Madan (Selina Publications) and "ICSE Chemistry Book 2" by K.L. Chugh (Kalyani Publishers). Both are aligned with the CISCE syllabus and include solved examples and balanced equations for all chapters.

Ques. Does ICSE Class X have internal assessment for all subjects?

Ans. Group I and Group II subjects carry 20 marks of internal assessment. Schools conduct and assess this through projects, assignments, and oral tests. CISCE moderates these marks. Group III subjects have a 50-mark practical component instead of the 20-mark internal assessment format.

Ques. When are ICSE Class X 2027 board exams expected to be held?

Ans. Based on previous year patterns, ICSE Class X 2027 theory examinations are expected to begin around February 16, 2027, and conclude by late March 2027. Practical examinations typically occur in January and February 2027. CISCE will release the official timetable on cisce.org. Results are typically declared in May.

Ques. How should I cover the full ICSE Class X syllabus in the remaining months?

Ans. Divide your time based on subject weightage. In Mathematics, prioritise Algebra and Geometry first. In Science, cover high-weightage chapters (Light, Electricity in Physics; Ammonia/Acids in Chemistry; Human Anatomy in Biology) before moving to lighter units. Complete primary textbook exercises for each subject first. Then solve previous 5 years’ ICSE board question papers. Reserve the final 30 days for full-syllabus revision and specimen paper practice.

*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.