CBSE Class 10 Syllabus 2026-27 PDF Download – Latest Subject-wise Curriculum

CBSE Class 10 Syllabus 2026-27 PDF

CBSE Class 10 Syllabus 2026-27 PDF Download – Latest Subject-wise Curriculum

Preparing for the CBSE Class 10 Board Exam 2026–27 becomes much easier when you have a clear understanding of the latest syllabus. The CBSE Class 10 Syllabus 2026-27 PDF provides a complete subject-wise breakdown of topics for Maths, Science, Social Science, English, and Hindi, helping students plan their studies in a smart and structured way.

The Central Board of Secondary Education (CBSE) has designed the updated curriculum based on the latest NCERT guidelines, focusing on conceptual clarity, competency-based questions, and real-life application of knowledge. By downloading the latest syllabus PDF, students can identify important chapters, understand the marking scheme, and prioritize topics effectively for better exam preparation.

Whether you are aiming to score high marks or just want to stay organized throughout the academic session, having access to the latest CBSE Class 10 syllabus 2026-27 is the first step toward success. In this guide, you will find the subject-wise syllabus, key updates, and a direct link to download the official PDF for free.

CBSE Class 10 Syllabus 2026-27 PDF Download – Latest Subject-wise Curriculum

Science syllabus

CBSE Class 10 Syllabus 2026-27 PDF

UNIT 1: Chemical Substances – Nature & Behaviour (25 Marks)

1. Chemical Reactions and Equations
  • Writing & balancing chemical equations
  • Types of reactions:
    • Combination
    • Decomposition
    • Displacement
    • Double displacement
  • Redox reactions
  • Effects of oxidation:
    • Corrosion (rusting)
    • Rancidity

Focus: Balancing equations + reaction identification

2. Acids, Bases and Salts
  • Definitions: Acid, Base, Alkali
  • Chemical properties:
    • Reaction with metals, carbonates
  • Strength of acids/bases (pH scale)
  • Importance of pH:
    • Soil, digestion, tooth decay
  • Common salts:
    • Baking soda
    • Washing soda
    • Plaster of Paris
    • Bleaching powder

Focus: pH numericals + reactions

3. Metals and Non-Metals
  • Physical properties
  • Chemical properties:
    • Reaction with oxygen, water, acids
  • Reactivity series
  • Ionic compounds
  • Metallurgy (extraction of metals)
  • Corrosion prevention

Focus: Reactivity series + properties comparison

4. Carbon and its Compounds
  • Covalent bonding
  • Saturated & unsaturated hydrocarbons
  • Functional groups (–OH, –COOH, etc.)
  • Homologous series
  • Ethanol & ethanoic acid
  • Soaps & detergents (cleansing action)

Focus: Chemical formulas + reactions

UNIT 2: World of Living (25 Marks)

CBSE Class 10 Syllabus 2026-27 PDF

5. Life Processes

  • Nutrition:
    • Autotrophic & heterotrophic
  • Respiration:
    • Aerobic & anaerobic
  • Transportation:
    • Blood, heart, vessels
  • Excretion:
    • Human excretory system

Focus: Diagrams (heart, nephron)

6. Control and Coordination

  • Nervous system:
    • Brain, spinal cord
  • Reflex action
  • Endocrine system:
    • Hormones (insulin, adrenaline)
  • Plant hormones:
    • Auxin, gibberellin

Focus: Difference: nervous vs hormonal control

7. How do Organisms Reproduce?

  • Asexual reproduction:
    • Binary fission, budding
  • Sexual reproduction:
    • Human reproductive system
  • Reproductive health

Focus: Diagrams + differences

8. Heredity

  • Mendel’s experiments
  • Traits & genes
  • Dominant & recessive traits
  • Laws of inheritance

Focus: Punnett square numericals

CBSE Class 10 Syllabus 2026-27 PDF Download – Latest Subject-wise Curriculum

UNIT 3: Natural Phenomena (12 Marks)

CBSE Class 10 Syllabus 2026-27 PDF
9. Light – Reflection and Refraction
  • Laws of reflection
  • Mirror formula
  • Refraction:
    • Refractive index
  • Lens formula & magnification

Focus: Numericals (very important)

10. Human Eye and Colourful World

  • Structure of human eye
  • Defects:
    • Myopia, Hypermetropia, Presbyopia
  • Dispersion of light
  • Atmospheric effects (rainbow, sky color)

Focus: Ray diagrams

UNIT 4: Effects of Current (13 Marks)

11. Electricity

  • Electric current & potential difference
  • Ohm’s Law
  • Resistance:
    • Series & parallel combination
  • Electric power

Focus: Numericals + formulas

12. Magnetic Effects of Electric Current

  • Magnetic field & field lines
  • Electromagnetism
  • Fleming’s Right-Hand Rule
  • Electric motor & generator
  • Domestic electric circuits

Focus: Diagrams + rules

UNIT 5: Natural Resources (5 Marks)

13. Our Environment

  • Ecosystem & food chains
  • Ozone depletion
  • Waste management

Focus: Case-based questions

PRACTICAL SYLLABUS (20 Marks)

Physics Experiments:
  • Ohm’s Law
  • Resistance in series/parallel
  • Focal length of lens
Chemistry Experiments:
  • pH test
  • Chemical reactions
  • Properties of acids/bases
Biology Experiments:
  • Slides (onion peel, stomata)
  • Temporary mount
  • Life processes observation

CBSE Class 10 Syllabus 2026-27 PDF Download – Latest Subject-wise Curriculum

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