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ICSE Class 10 — Complete Syllabus

The full topic list with subject breakdown, weightage, and study resources. Updated April 2026.

Board: ICSEDuration: 2h 30minTotal Marks: 400Questions: 25Grade: 10

Subjects: Biology (16 topics) · Chemistry (58 topics) · Mathematics (22 topics) · Physics (44 topics)

Basic Biology

  • Cell Cycle and Cell Division

    HIGH WEIGHTAGE
    Weightage: 8.0% · ~2 questionsmedium4h study

    Covers the stages of the cell cycle (Interphase: G1, S, G2) and cell division, including mitosis and a basic understanding of meiosis, homologous chromosomes, crossing over, and the significance and differences between mitotic and meiotic divisions.

    cell cyclemitosismeiosiscell division
  • Structure of Chromosome

    Weightage: 3.0% · ~1 questioneasy2h study

    Explains the basic structure of a chromosome, including chromatin, chromatid, gene structure of DNA, and centromere.

    chromosome structurechromatinchromatidgenedna
  • Genetics: Mendel's Laws and Sex-linked Inheritance

    HIGH WEIGHTAGE
    Weightage: 10.0% · ~2 questionsmedium5h study

    Covers Mendel's three laws of inheritance, monohybrid and dihybrid crosses (phenotype only), key genetic terms (gene, allele, heterozygous, homozygous, dominant, recessive, mutation, variation, phenotype, genotype), sex determination in humans, and sex-linked inheritance of diseases like haemophilia and colour blindness.

    geneticsmendel's lawsinheritancemonohybrid crossdihybrid cross

Plant Physiology

  • Absorption by Roots

    HIGH WEIGHTAGE
    Weightage: 7.0% · ~2 questionsmedium4h study

    Details the processes of absorption by roots, including imbibition, diffusion, osmosis, osmotic pressure, root pressure, turgidity, flaccidity, plasmolysis, deplasmolysis, water and mineral absorption, active and passive transport, and the forces responsible for the ascent of sap.

    absorptionrootsimbibitiondiffusionosmosis
  • Transpiration

    HIGH WEIGHTAGE
    Weightage: 6.0% · ~2 questionsmedium3h study

    Explains the process and significance of transpiration, including Ganong's potometer, factors affecting its rate, adaptations to reduce transpiration, and a brief idea of guttation and bleeding.

    transpirationsignificancepotometerfactors affecting transpirationguttation
  • Photosynthesis

    HIGH WEIGHTAGE
    Weightage: 10.0% · ~3 questionshard5h study

    Covers the process and importance of photosynthesis, including chloroplast structure, light and dark reactions (photochemical and biosynthetic phases), stomatal function, carbon cycle, and experiments demonstrating essential factors.

    photosynthesischloroplastlight reactiondark reactioncarbon cycle
  • Chemical Coordination in Plants

    Weightage: 4.0% · ~1 questioneasy2h study

    Provides a general study of plant growth regulators (Auxins, Gibberellins, Cytokinins, Abscisic acid, Ethylene) and tropic movements in plants (Phototropism, Geotropism, Hydrotropism, Thigmotropism, Chemotropism).

    plant growth regulatorsauxinsgibberellinscytokininsabscisic acid

Human Anatomy and Physiology

  • Circulatory System

    HIGH WEIGHTAGE
    Weightage: 10.0% · ~3 questionsmedium5h study

    Details the circulatory system, including blood composition (RBC, WBC, platelets), lymph, structure and working of the heart, blood vessels, circulation, blood coagulation, ABO blood group system, Rh factor, and the significance of the hepatic portal system.

    circulatory systembloodlymphheartblood vessels
  • Excretory System

    HIGH WEIGHTAGE
    Weightage: 6.0% · ~2 questionsmedium3h study

    Covers the excretory organs, structure and function of kidneys, associated blood vessels, and the structure and function of the nephron, including ultra-filtration, selective reabsorption, and tubular secretion.

    excretory systemkidneysnephronultra-filtrationselective reabsorption
  • Nervous System and Sense Organs

    HIGH WEIGHTAGE
    Weightage: 10.0% · ~3 questionshard6h study

    Explains the structure of a neuron, the central, autonomous, and peripheral nervous systems, brain and spinal cord, reflex action, and the structure, functions, defects, and corrective measures for the eye and ear.

    nervous systemneuronbrainspinal cordreflex action
  • Endocrine System

    HIGH WEIGHTAGE
    Weightage: 5.0% · ~1 questionmedium3h study

    Provides a general study of endocrine and exocrine glands, focusing on the location, hormones secreted, and effects of hypo- and hyper-secretion for the Adrenal, Pancreas, Thyroid, and Pituitary glands.

    endocrine systemhormonesadrenal glandpancreasthyroid gland
  • Reproductive System

    HIGH WEIGHTAGE
    Weightage: 7.0% · ~2 questionsmedium4h study

    Covers the organs and functions of the male and female reproductive systems, fertilization, implantation, placenta function, gestation, parturition, menstrual cycle, role of sex hormones, and identical vs. fraternal twins.

    reproductive systemfertilisationplacentamenstrual cyclesex hormones

Population

  • Population Explosion and Control

    HIGH WEIGHTAGE
    Weightage: 5.0% · ~1 questioneasy2h study

    Discusses population explosion in India and globally, its reasons, problems, and control measures including surgical methods like tubectomy and vasectomy.

    population explosionpopulation controldemographybirth ratedeath rate

Human Evolution

  • Theories of Evolution and Human Ancestors

    HIGH WEIGHTAGE
    Weightage: 5.0% · ~1 questionmedium3h study

    Provides a basic introduction to human evolution, covering Lamarck's theory of inheritance and Darwin's theory of natural selection, along with a brief idea of human ancestors.

    human evolutionlamarckismdarwinismnatural selectionaustralopithecus

Pollution

  • Types, Sources, and Effects of Pollution

    HIGH WEIGHTAGE
    Weightage: 8.0% · ~2 questionsmedium4h study

    Covers types and sources of pollution (air, water, thermal, soil, biomedical, radiation, noise), biodegradable and non-biodegradable wastes, and their effects on climate, environment, human health, and other organisms.

    pollutionair pollutionwater pollutionsoil pollutionnoise pollution
  • Pollution Control Measures

    Weightage: 4.0% · ~1 questioneasy2h study

    Discusses measures to control pollution, including use of unleaded petrol/CNG, social forestry, sewage treatment plants, ban on plastics, organic farming, and a brief mention of Swachh Bharat Abhiyan.

    pollution controlcngsocial forestrysewage treatmentorganic farming

Exam Insight

Genetics: Mendel's Laws and Sex-linked Inheritance (10.0%), Photosynthesis (10.0%), Circulatory System (10.0%) together make up 30.0% of the Biology paper. Master these topics for maximum ROI.

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ICSE Class 10 Syllabus — Complete Topics, Weightage & Study Plan | SolveGini