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CBSE Class 12 Science

CBSE Class 12 Science Syllabus 2026-27

Complete syllabus for Physics, Chemistry, Biology, Mathematics & English

Download the official CBSE Class 12 Science syllabus and prepare effectively for board exams and competitive exams like JEE and NEET. Your complete guide to CBSE Class 12 Science curriculum.

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Physics Chemistry Biology Mathematics English

CBSE Class 12 Physics Syllabus 2026-27

70 Marks Theory + 30 Marks Practical

The CBSE Class 12 Physics syllabus covers electrostatics, current electricity, magnetic effects, optics, modern physics, and semiconductor electronics.

Unit Unit Name Weightage Key Topics
Unit 1 Electrostatics 10% Electric charges, Coulomb's law, electric field, potential, capacitance
Unit 2 Current Electricity 10% Ohm's law, resistance, Kirchhoff's laws, Wheatstone bridge
Unit 3 Magnetic Effects of Current 10% Biot-Savart law, Ampere's law, magnetic force, torque
Unit 4 Electromagnetic Induction 10% Faraday's law, Lenz's law, self-induction, mutual induction
Unit 5 Alternating Current 10% AC circuits, resonance, transformers, power in AC
Unit 6 Electromagnetic Waves 5% EM spectrum, properties, applications
Unit 7 Optics 15% Reflection, refraction, lenses, optical instruments, wave optics
Unit 8 Dual Nature of Radiation 5% Photoelectric effect, de Broglie wavelength, matter waves
Unit 9 Atoms and Nuclei 10% Atomic models, nuclear structure, radioactivity, nuclear energy
Unit 10 Semiconductor Electronics 15% Diodes, transistors, logic gates, digital electronics
Practical Assessment: 30 marks (Two experiments: 12 marks, Practical record: 6 marks, Project: 6 marks, Viva: 6 marks)

CBSE Class 12 Chemistry Syllabus 2026-27

70 Marks Theory + 30 Marks Practical

The CBSE Class 12 Chemistry syllabus is divided into three sections: Physical Chemistry, Inorganic Chemistry, and Organic Chemistry.

Physical Chemistry

  • Unit 1: Solutions
  • Unit 2: Electrochemistry
  • Unit 3: Chemical Kinetics
  • Unit 4: Surface Chemistry

Inorganic Chemistry

  • Unit 5: General Principles of Isolation
  • Unit 6: p-block Elements
  • Unit 7: d & f Block Elements
  • Unit 8: Coordination Compounds

Organic Chemistry

  • Unit 9: Haloalkanes & Haloarenes
  • Unit 10: Alcohols, Phenols & Ethers
  • Unit 11: Aldehydes, Ketones & Acids
  • Unit 12: Amines
  • Unit 13: Biomolecules
  • Unit 14: Polymers
  • Unit 15: Chemistry in Everyday Life
Practical Assessment: 30 marks (Volumetric analysis: 8 marks, Qualitative analysis: 8 marks, Practical record: 6 marks, Project: 4 marks, Viva: 4 marks)

CBSE Class 12 Biology Syllabus 2026-27

70 Marks Theory + 30 Marks Practical

The CBSE Class 12 Biology syllabus covers reproduction, genetics, evolution, biotechnology, and ecology.

Unit Unit Name Weightage Key Topics
Unit 1 Reproduction 20% Sexual reproduction in plants, human reproduction, reproductive health
Unit 2 Genetics and Evolution 25% Principles of inheritance, molecular basis of inheritance, evolution
Unit 3 Biology and Human Welfare 15% Human health and disease, microbes in human welfare
Unit 4 Biotechnology 20% Biotechnology principles, processes, applications
Unit 5 Ecology and Environment 20% Organisms and populations, ecosystem, biodiversity, environmental issues
Practical Assessment: 30 marks (Major experiment: 8 marks, Minor experiment: 6 marks, Practical record: 6 marks, Project: 5 marks, Viva: 5 marks)

CBSE Class 12 Mathematics Syllabus 2026-27

80 Marks Theory + 20 Marks Internal

The CBSE Class 12 Mathematics syllabus covers relations and functions, algebra, calculus, vectors, and probability.

Unit Unit Name Weightage Key Topics
Unit 1 Relations and Functions 10% Relations, functions, inverse trigonometric functions
Unit 2 Algebra 15% Matrices, determinants, applications
Unit 3 Calculus 40% Continuity, differentiability, integration, applications, differential equations
Unit 4 Vectors and 3D Geometry 15% Vectors, scalar triple product, lines, planes
Unit 5 Linear Programming 5% Linear programming problems, graphical method
Unit 6 Probability 15% Probability, Bayes theorem, probability distribution
Internal Assessment: 20 marks (Periodic Tests: 10 marks, Notebook Submission: 5 marks, Subject Enrichment: 5 marks)

CBSE Class 12 English Syllabus 2026-27

80 Marks Theory + 20 Marks Internal

The CBSE Class 12 English syllabus includes Literature, Grammar, and Writing Skills.

Literature (Flamingo)

Prose

  • The Last Lesson
  • Lost Spring
  • Deep Water
  • The Rattrap
  • Indigo
  • Poets and Pancakes
  • The Interview
  • Going Places

Poetry

  • My Mother at Sixty-Six
  • Keeping Quiet
  • A Thing of Beauty
  • A Roadside Stand
  • Aunt Jennifer's Tigers

Literature (Vistas)

  • The Third Level
  • The Tiger King
  • Journey to the End of the Earth
  • The Enemy
  • On the Face of It
  • Memories of Childhood
  • Evans Tries an O-Level

Grammar & Writing

Grammar

  • Tenses, Modals, Voice
  • Reported Speech
  • Clauses, Prepositions

Writing Skills

  • Notice Writing
  • Letter to the Editor
  • Article Writing
  • Speech Writing
  • Debate Writing
  • Report Writing
Internal Assessment: 20 marks (Periodic Tests: 10 marks, Notebook Submission: 5 marks, Subject Enrichment: 5 marks)

Download CBSE Class 12 Science Syllabus PDF

Get the complete official CBSE Class 12 Science syllabus in PDF format for offline reference and board exam preparation.

Download Full Syllabus

* PDF files are hosted on the official CBSE website. Links are updated regularly.

Frequently Asked Questions

CBSE Class 12 Science includes Physics, Chemistry, Biology/Mathematics, and English as core subjects. Students choose between PCM (Physics, Chemistry, Mathematics) and PCB (Physics, Chemistry, Biology).
Yes, the CBSE Class 12 Science syllabus is updated regularly. The 2026-27 syllabus includes revised content as per the latest CBSE guidelines.
NCERT textbooks are the best reference for CBSE Class 12 Science. For additional practice: HC Verma (Physics), OP Tandon (Chemistry), Trueman (Biology), and RD Sharma (Mathematics) are recommended.
Practical assessment is 30 marks for Physics, Chemistry, and Biology. It includes experiments, practical record, project work, and viva voce. Mathematics has internal assessment of 20 marks.
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