AP SSC Board Science Syllabus 2026-27: Chapter-Wise Topics And Weightage

S. No

Chapter Name

Subtopic

1

Nutrition

Introduction to Nutrition, Types of Nutrition, Nutrition in Amoeba and Paramecium

Nutrition in Plants

Nutrition in Human Beings, Diseases Due to Malnutrition, and Vitamins

2

Respiration

Discovery of Gases, Steps in Respiration, and Breathing vs. Respiration

Pathway of Respiration in Humans and Respiration in Plants

Cellular Respiration, Types of Respiration, and Related Activities

3

Transportation

Introduction and Structure of the Heart

Arteries and Veins, Cardiac Cycle, Single vs. Double Circulation, Blood Pressure, and Blood Coagulation

Lymphatic System and Transportation in Plants

4

Excretion

Excretory System in Humans, Structure of the Kidney, and Structure of the Nephron

Mechanism of Urine Formation, Composition of Urine, and Treatments for Kidney Failure

Accessory Excretory Organs, Excretion in Other Organisms and Plants (Secondary Metabolites), and Excretion vs. Secretion

5

Coordination

Introduction, Structure of a Nerve Cell, Types of Nerves, and Synapse

Spinal Cord, Reflex Action, and Knee-Jerk Movement

Central Nervous System (CNS), Brain Structure, Peripheral Nervous System (PNS), and Autonomic Nervous System (ANS)

Endocrine System and Feedback Mechanism

Coordination in Plants

6

Reproduction

Introduction, Types of Reproduction, and Types of Asexual Reproduction

Types of Vegetative Reproduction and Spore Formation

Human Reproductive System

Sexual Reproduction in Flowering Plants

Cell Division and Its Types, Reproductive Health, and Birth Control Methods

7

Coordination in Life Processes

Hunger, Taste and Smell, Action of Saliva, Mouth, and Oesophagus (Peristalsis)

Stomach (Digestion), Small Intestine (Villi), Anus, Role of ANS in Digestion, and Gut as the Second Brain

8

Heredity and Evolution

Characters, Variations, Mendel's Experiments, and Monohybrid Cross

Dihybrid Cross and Mendel's Laws

Sex Determination in Humans, Variations in Beetles, Darwinism, and Lamarckism

Speciation, Evidence of Evolution, Fossils, and Human Evolution

9

Our Environment

Environment vs. Ecosystem, Trophic Levels, Food Chains, and Food Webs

Ecological Pyramids

Human Activities Affecting Ecosystems, Kolleru Lake, EBWR, Sparrow Campaign, and Prevention Measures

10

Natural Resources

Introduction, Case Studies, and Farmer-Based and Community-Based Interventions

Natural Resources Around Us, Forests, Soil, Biodiversity, Fossil Fuels, Minerals, and Conservation (4Rs)

S. No

Chapter Name

Subtopic

1

Reflection of Light at Curved Surfaces

Basics of Light, Objects and Images, and Reflection

Reflection Through Plane Mirrors

Reflection Through Spherical Mirrors

Sign Convention, Mirror Formula, and Numerical Problems

Introduction to Refraction

Refraction Through Spherical Lenses, Concave and Convex Lenses

Lens Formula and Magnification

Refraction at Curved Surfaces

Apparent Depth

Lens Maker's Formula and Numerical Problems

2

Human Eye and the Colourful World

Power of Accommodation, Defects of the Human Eye, and Numerical Problems

Numerical Problems on Defects of the Human Eye

Prism, Dispersion of Light, Rainbow, Atmospheric Refraction, and Scattering of Light

NCERT-Based Revision

3

Electricity

Electric Charge, Electric Current, and Potential Difference

Voltage and Electric Circuits

Ohm's Law and Resistance

Series and Parallel Circuits

Electric Power

Kirchhoff's Laws

4

Magnetic Effects of Electric Current

Oersted's Experiment and Magnetic Field Lines

Maxwell's Right-Hand Thumb Rule

Solenoid and Fleming's Left-Hand Rule

Electric Motor and Electric Generator

Domestic Circuits

Faraday's Laws and Lenz's Law

S. No

Chapter Name

Subtopic

1

Basics

Elements, Atomic Number, and Criss-Cross Method

2

Chemical Bonding Basics

Basics of Chemical Bonding

3

Chemical Equations and Reactions

Introduction to Chemical Changes, Writing a Chemical Equation, Balancing Chemical Equations (Trial and Error Method), and Formula Units

Balancing Chemical Equations and Making Them More Informative: Physical States, Heat Changes (Exothermic and Endothermic), Gas Evolved, and Precipitate Formed

Interpreting a Balanced Chemical Equation: Mass–Mass Relationship and Mass–Volume Relationship

Volume–Volume Relationship, Mass–Volume–Number of Molecules Relationship, Limiting Reagent, and Practice Problems

4

Acids, Bases and Salts

Chemical Properties of Acids and Bases, Indicators and Olfactory Indicators, and Reactions with Laboratory Substances

Reactions of Acids and Bases with Metals, Carbonates and Metal Hydrogen Carbonates, Neutralization Reaction, and Reactions with Metal and Non-Metal Oxides

What Do Acids Have in Common?, Strength of Acids and Bases, pH Scale, and Importance of pH in Everyday Life (Acid Rain, Tooth Decay, Digestion, and Plants)

Family of Salts, pH of Salts, Chemicals from Common Salt, Sodium Hydroxide (Chloro-Alkali Process), Bleaching Powder, Baking Soda (NaHCO₃), Washing Soda (Na₂CO₃), Water of Crystallisation, and Plaster of Paris

5

Structure of Atom

Spectrum, Wave Nature of Light, and Characteristics of Electromagnetic Waves

Electromagnetic Spectrum and Planck's Quantum Theory

Line Spectrum, Bohr's Model of the Hydrogen Atom, and Its Limitations

Bohr–Sommerfeld Model of an Atom, Quantum Mechanical Model of an Atom, and Orbitals

Quantum Numbers and Electronic Configuration Methods

Electronic Configuration Rules

Electronic Configuration Rules and Important Questions

6

Classification of Elements – Periodic Table

Introduction, Need for Classification, and Dobereiner's Law of Triads (Limitations)

Newlands' Law of Octaves (Limitations), Mendeleev's Periodic Table, and Periodic Law

Salient Features (Groups, Periods, Eka-Elements, and Atomic Mass Correction), Limitations, and Modern Periodic Law

Positions of Elements and s, p, d, and f Blocks

7

Chemical Bonding

Lewis Symbols, Electronic Theory of Valence (Lewis and Kossel), Noble Gases, and the Octet Rule

Ionic Bond, Cation and Anion Formation, Examples (NaCl, MgCl₂, Na₂O, AlCl₃), Crystal Structure, Coordination Number, and Factors Affecting Ionic Bond Formation

Covalent Bonds (Single, Double, and Triple), Covalency, Bond Length, Bond Energy, and Drawbacks of Electronic Theory of Valence

VSEPR Theory: Shapes of Molecules (Linear, Trigonal Planar, Tetrahedral, Trigonal Pyramidal, and Bent/V-Shape)

Valence Bond Theory, Orbital Overlap, σ and π Bonds, Hybridisation (sp, sp², sp³), Polar Covalent Bond, and Properties of Ionic and Covalent Compounds

8

Principles of Metallurgy

Occurrence of Metals, Minerals and Ores, and Concentration (Dressing) of Ore: Hand Picking, Washing, Froth Flotation, and Magnetic Separation

Activity Series of Metals, Extraction of Metals at the Top of the Activity Series (Electrolysis), and Extraction of Metals in the Middle (Roasting, Reduction with Carbon and CO, and Thermite Process)

9

Carbon and Its Compounds

Introduction to Organic Compounds, Covalent Bonding, and Properties of Covalent Compounds

Versatile Nature of Carbon and Types of Hydrocarbons – Part I

Types of Hydrocarbons – Part II, Trivial Nomenclature, and IUPAC Nomenclature

Homologous Series, Isomerism in One Shot, and Chemical Properties of Carbon – Part I

Chemical Properties of Carbon – Part II, Important Carbon Compounds, Ethanol, and Ethanoic Acid

Esterification, Saponification, and Soap Action

Chemical Properties of Carbon – II, Important Carbon Compounds – Ethanol and Ethanoic Acid

Esterification, Saponification, and Soap Action

Examination Paper

Subject Covered

Maximum Marks

General Science Paper-I

Physical Science (Physics and Chemistry)

50

General Science Paper-II

Biological Science (Biology)

50

Total

General Science

100