Board Exam 2026-27

Assam Board Class 12 Science Syllabus 2026-27

Complete SEBA Class 12 Physics, Chemistry, Biology/Mathematics Board Exam Curriculum

PCM & PCB Options • 6 Subjects • Updated for 2026-27 Board Exams
Detailed syllabus for Physics, Chemistry, Biology, Mathematics, English, and Assamese/Alternative English.

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Physics Syllabus 2026-27 (Board Exam) Core Subject

Unit	Topics	Marks
Unit 1	Electrostatics Electric Charges and Fields Electric Potential and Capacitance Gauss's Law and Applications	10
Unit 2	Current Electricity Electric Current and Ohm's Law Resistance and Resistivity Kirchhoff's Laws and Wheatstone Bridge	8
Unit 3	Magnetic Effects of Current Magnetic Field and Biot-Savart Law Ampere's Law and its Applications Force on a Moving Charge	8
Unit 4	Electromagnetic Induction Faraday's and Lenz's Laws Self and Mutual Induction AC Circuits and Transformers	8
Unit 5	Electromagnetic Waves Nature and Properties of EM Waves Electromagnetic Spectrum Applications of EM Waves	6
Unit 6	Optics Ray Optics - Reflection, Refraction, Lens Wave Optics - Interference, Diffraction Polarization and Optical Instruments	12
Unit 7	Modern Physics Atoms and Nuclei Dual Nature of Matter Radioactivity and Nuclear Energy	10
Unit 8	Electronics Semiconductors and Diodes Transistors and Logic Gates Communication Systems	8
Practical	Experiments, Observations, and Analysis	20

Note: Physics practical exams carry 20 marks. Students must maintain a practical record book for board exam evaluation.

Chemistry Syllabus 2026-27 (Board Exam) Core Subject

Unit	Topics	Marks
Unit 1	Solutions Types of Solutions Concentration and Colligative Properties Vapour Pressure and Raoult's Law	8
Unit 2	Electrochemistry Electrolytic Cells and Conductance Nernst Equation and EMF Corrosion and Batteries	8
Unit 3	Chemical Kinetics Rate of Reaction Order and Molecularity Arrhenius Equation	8
Unit 4	Surface Chemistry Adsorption and Catalysis Colloids and Emulsions Applications of Surface Chemistry	6
Unit 5	General Principles of Isolation of Elements Metallurgy Extraction of Metals Refining and Purification	6
Unit 6	p-Block Elements Group 15 to 18 Elements Properties and Compounds Applications of p-Block Elements	8
Unit 7	d-Block and f-Block Elements Transition Elements Coordination Compounds Lanthanides and Actinides	8
Unit 8	Organic Chemistry - Some Basic Principles Nomenclature and Isomerism Fundamental Concepts Reaction Mechanisms	8
Unit 9	Hydrocarbons Alkanes, Alkenes, Alkynes Aromatic Hydrocarbons Reactions and Properties	8
Unit 10	Haloalkanes and Haloarenes Preparation and Properties Reactions and Mechanisms Applications	6
Practical	Experiments, Qualitative and Quantitative Analysis	20

Biology Syllabus 2026-27 (Board Exam - PCB Option) Elective Choice

Unit	Topics	Marks
Unit 1	Reproduction Sexual and Asexual Reproduction Reproduction in Organisms Human Reproduction and Reproductive Health	12
Unit 2	Genetics and Evolution Principles of Inheritance Molecular Basis of Inheritance Evolution and Theories	14
Unit 3	Human Health and Disease Common Diseases and Immunity Drugs and Alcohol Abuse Adolescence and Reproductive Health	10
Unit 4	Biotechnology and its Applications Principles and Processes Recombinant DNA Technology Applications in Medicine and Agriculture	12
Unit 5	Ecology and Environment Organisms and Populations Ecosystems and Biodiversity Environmental Issues and Conservation	12
Unit 6	Plant Physiology Transport in Plants Photosynthesis and Respiration Plant Growth and Hormones	10
Practical	Experiments, Microscope Studies, Dissection	20

Mathematics Syllabus 2026-27 (Board Exam - PCM Option) Elective Choice

Unit	Topics	Marks
Unit 1	Relations and Functions Types of Relations and Functions Inverse Trigonometric Functions Binary Operations	10
Unit 2	Algebra Matrices and Determinants Inverse of a Matrix Applications of Matrices	12
Unit 3	Calculus Continuity and Differentiability Applications of Derivatives Integrals and Applications	18
Unit 4	Vectors and 3D Geometry Vector Algebra Three Dimensional Geometry Lines and Planes	12
Unit 5	Probability and Statistics Probability - Conditional and Bayes' Theorem Random Variables and Distributions Statistics - Mean, Variance	10
Unit 6	Linear Programming Linear Programming Problems Graphical Method Applications	8

English Syllabus 2026-27 (Board Exam) Core Subject

Unit	Topics	Marks
Reading Comprehension	Passages with questions, vocabulary, inference, analytical questions	15
Prose	Selected prose pieces, author analysis, critical interpretation, thematic analysis	20
Poetry	Selected poems, poetic devices, analysis, interpretation	15
Grammar	Tenses, Voice, Speech, Modals, Prepositions, Conjunctions	20
Writing Skills	Essay, Letter, Report, Story Writing, Précis Writing	10

Assamese/Alternative English Syllabus 2026-27 (Board Exam) Core Subject

Unit	Topics	Marks
Language & Literature	গদ্য (Prose), পদ্য (Poetry), ব্যাকৰণ (Grammar) - Advanced Level	30
Grammar	সন্ধি, সমাস, কাৰক, অলংকাৰ, বাক্য গঠন	25
Composition	প্ৰবন্ধ, চিঠি, সাৰাংশ, গল্প ৰচনা	15