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
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)
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)
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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