Assam Board Class 12 (AHSEC) Detailed Syllabus 2025: Detailed List of Topics, Download PDF

Unit name

Important Topics

Marks

Part A - Introductory Microeconomics for Class 11

Introduction

Central problems of an economy, production possibility curve and opportunity cost, microeconomics, etc.

4

Consumer Behaviour and Demand

meaning and attainment of equilibrium through Utility Approach: One and two commodity cases, measurement of price

the elasticity of demand– percentage, total expenditure and geometric methods, etc.

13

Producer Behaviour and Supply

Production function, Supply, Cost and Revenue, etc.

15

Forms of Market and Price Determination

Forms of the market– perfect competition, monopoly, monopolistic competition– their meaning and features, etc.

10

Simple applications of Tools of demand and supply

rationing, floors and ceilings and Food

Availability Decline (FAD) Theory, etc.

08

Part B - Introductory Macroeconomics for Class 12

National Income and Related Aggregates

Circular flow of income, concepts of GDP, GNP, NDP, NNP, Measurement of National Income– Value Added method, Income method and Expenditure method, etc.

15

Determination of Income and Employment

Determination of income and employment: two-sector model, Problems of excess and deficient demand, etc.

12

Money and Banking

Money: meaning, evolution and functions, Recent significant reforms and issues in Indian Banking System: privatisation and modernisation, etc.

8

Government Budget and the Economy

Government budget– meaning and its components, Objectives of the government budget, etc.

8

Balance of Payments

Foreign exchange rate– meaning (fixed and flexible), merits and demerits; determination through demand and supply, A brief analysis of recent exchange rate issues, etc.

7

Total

100

Sections

Marks

Section A

Reading Skills

Reading unseen prose passage

10

Section B

Advanced Writing Skills

25

Section C

Grammar

Narration: Direct and Indirect 4 marks Voice 3 marks

Tenses 5 marks Proposition 4 marks Transformation of Sentences 4 marks

20

Section-D (Prescribed Books)

Flamingo

Vistas

30

15

Unit name

Important Topics

Marks

Electrostatics

Electric field lines; Electric flux, Statement of Gauss’s theorem, free charges and bound charges inside a conductor, etc.

08

Current Electricity

Ohm’s law, electrical resistance, V-I characteristics (linear and non-linear), series and parallel combinations of resistors; temperature

dependence of resistance, etc.

08

Magnetic Effects of Current and Magnetism

Ampere’s law and its applications to infinitely long straight wire, straight and toroidal solenoids, Magnetic Hysteresis Electromagnets and

factors affecting their strengths, etc.

08

Electromagnetic Induction and Alternating Currents

Alternating currents voltage, peak and RMS value of alternating current/voltage power, AC generator, and transformer, etc.

08

Electromagnetic Waves

Electromagnetic spectrum, Transverse nature of electromagnetic waves. Need for displacement current, etc.

03

Optics

Refraction and dispersion of

light through a prism, Refraction of light, total internal reflection and its

applications, optical fibres, refraction at spherical surfaces, Young’s double-slit experiment and expression for fringe width, coherent sources

and sustained interference of light, etc.

14

Dual Nature of Matter and Radiation

Photoelectric effect, Hertz and Lenard’s observations; Einstein’s photoelectric equation, Davisson-Germer experiment, etc.

04

Atoms and Nuclei

Composition and size of nucleus, atomic masses, isotopes, isobars; isotones, etc.

07

Electronic Devices

Zener diode as

a voltage regulator. Junction transistor, transistor action, characteristics of a transistor,

etc.

07

Communication System

Propagation of electromagnetic waves in

the atmosphere, sky and space wave propagation, Elements of a communication system, etc.

03

Total

70

Unit name

Important topics

Marks

Solid State

unit cell in two dimensional and three-dimensional lattices, calculation of the density of unit cell, packing in solids, voids, number of atoms per unit cell in a cubic unit cell, etc.

4

Solutions

relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, osmotic pressure, etc.

5

Electrochemistry

Kohlrausch’s Law, electrolysis and laws of electrolysis (elementary idea), dry cell – electrolytic cells and Galvanic cells, etc.

5

Chemical kinetics

catalyst; order and molecularity of a reaction; rate law and specific rate constant, integrated rate equations and half-life, etc.

5

Surface chemistry

homogeneous and heterogeneous, activity and selectivity: enzyme catalysis; colloidal state: distinction between true solutions, colloids and suspensions, etc.

4

General principles and processes of Isolation of Elements

Principles and methods of extraction: concentration, oxidation, reduction electrolytic method and refining; occurrence and principles of extraction of aluminium, copper, zinc and iron, etc.

3

p-Block Elements

General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties, etc.

8

d- and f-Block Elements

interstitial compounds, alloy formation. Preparation and properties of K2Cr2O7 and KMnO4, etc.

5

Coordination Compounds

coordination number, colour, magnetic properties and shapes, IUPAC nomenclature of mononuclear coordination compounds, etc.

3

Haloalkanes and Haloarenes

Nomenclature, nature of C-X bond, physical and chemical properties, mechanism of substitution reactions, etc.

4

Alcohols, Phenols and Ethers

Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenols, electrophilic substitution reactions, uses of phenols, etc.

4

Aldehydes, Ketones and Carboxylic acids

Nomenclature, acidic nature, methods of preparation, physical and chemical properties, etc.

6

Organic Compounds containing Nitrogen

Nomenclature, classification, structure, methods of preparation, physical and chemical properties, etc.

4

Biomolecules

Elementary idea of a-amino acids, peptide bond, polypeptides, proteins, primary structure, secondary structure, tertiary structure and quaternary structure (qualitative idea only), denaturation of proteins, etc.

4

Polymers

Natural and synthetic, methods of polymerization (addition and condensation), copolymerization, etc.

3

Chemistry in Everyday life

Chemicals in medicines– analgesics, tranquillizers, antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamines, etc.

3

Total

70

Unit name

Important Topics

Marks

Relations and Functions

Types of relations, Types of Functions, Inverse Trigonometric functions, Basic concepts, etc.

10

Algebra

Matrices: Concept of a matrix and its notation and order, etc.

13

Calculus

Continuity and Differentiability, Application of Derivatives, Integrals, etc.

44

Vectors Algebra and Three-Dimensional Geometry

Vectors and scalars, magnitude and direction of a vector, Cartesian and vector equation of a plane, etc, etc.

17

Linear Programming

Introduction, related terminology such as constraints, objective function, optimization, different types of linear programming, etc.

06

Probability

Multiplication theorem on probability. Conditional probability, independent events, total probability, Bayes theorem, etc.

10

Total

100

Unit name

Important Topics

Marks

Group A - Botany

Sexual Reproduction

Asexual Reproduction, Sexual Reproduction, Apomisix and Polyembryony, etc.

6

Genetics and Evolution

Evolution of Life Forms- A Theory, Mechanism of Evolution, A Brief account of Evolution, Origin and Evolution of

Man, etc.

5

Biology and Human Welfare

Animal Husbandry, Tissue Culture, Microbes in Sewage Treatment, Microbes as Biofertilisers, etc.

7

Biotechnology and its application

Principles of Biotechnology, Tools of recombinant DNA Technology, Biotechnological Applications in Medicine, etc.

12

Ecology

Organism and its Environment, Populations, Medicinal and Timber Yielding Plants, etc.

5

Group B - Zoology

Reproduction

Pregnancy and Embryonic Development, Medical Termination of Pregnancy, etc.

5

Genetics and Evolution

Sex Determination, Replication, Human Genome Project, DNA Fingerprinting, etc.

15

Biology and Human Welfare

Common Diseases in Humans, Drugs and Alcohol Abuse, Single Cell Protein, etc.

5

Biotechnology and its Application

Biotechnological Applications in Agriculture, Transgenic Animals, Ethical Issues, etc.

1

Ecology

Ecological Pyramids, Biodiversity Conservation, Medicinal, and Timber Yielding Plants, Degradation by Improper Resource Utilisation and Maintenance, etc.

9

Total

70

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