Academic Session 2026-27

Karnataka State Board Class 11 Science Important Chapters 2026-27

Key Topics & High-Weightage Chapters for KSBSE Class 11 Science

Physics • Chemistry • Biology/Mathematics • Most Important Chapters • Exam Priority Topics

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4 Core Science Subjects High-Weightage Chapters Exam Focus Topics KCET/JEE/NEET Priority

Important Chapters for Science 2026-27

Focus on these high-priority chapters for effective exam preparation and maximum scores.

Physics - Important Chapters

Unit	Important Topics	Priority
Mechanics	Laws of Motion - Newton's Laws, Friction Work, Energy and Power - Conservation Laws System of Particles - Centre of Mass, Torque Gravitation - Kepler's Laws, Satellite Motion Motion in a Plane - Vectors, Projectile Motion Kinematics - Equations of Motion	Very High
Thermodynamics	Thermodynamics - Laws, Heat Engines Kinetic Theory of Gases - Gas Laws Thermal Properties - Heat, Temperature Calorimetry and Heat Transfer	High
Waves & Oscillations	Oscillations - SHM, Simple Pendulum Waves - Wave Motion, Doppler Effect Properties of Waves - Interference Stationary Waves and Beats	High
Optics	Ray Optics - Reflection, Refraction, Lenses Wave Optics - Interference, Diffraction Optical Instruments - Microscope, Telescope Prism and Dispersion	Medium
Modern Physics	Dual Nature - Photoelectric Effect Atoms - Bohr Model, Atomic Spectra Nuclei - Radioactivity, Nuclear Reactions Electronic Devices - Semiconductors, Diodes Communication Systems	High

KCET/JEE Focus: Mechanics and Modern Physics are crucial for KCET and JEE Main.

Chemistry - Important Chapters

Unit	Important Topics	Priority
Physical Chemistry	Mole Concept and Stoichiometry Structure of Atom - Quantum Model Chemical Bonding - VSEPR Theory Thermodynamics - Laws, Enthalpy Equilibrium - Chemical & Ionic Redox Reactions - Balancing States of Matter - Gases, Liquids, Solids	Very High
Inorganic Chemistry	s-Block Elements - Alkali & Alkaline Earth p-Block Elements - Groups 13-18 Hydrogen - Properties, Hydrides Coordination Compounds - Nomenclature Periodic Table - Trends and Properties	High
Organic Chemistry	IUPAC Nomenclature - General Organic Chemistry Isomerism - Structural, Stereoisomerism Hydrocarbons - Alkanes, Alkenes, Alkynes Haloalkanes and Haloarenes Alcohols, Phenols and Ethers Aldehydes, Ketones and Carboxylic Acids Amines - Classification, Properties Biomolecules - Carbohydrates, Proteins	High
Environmental Chemistry	Environmental Pollution - Air, Water, Soil Green Chemistry - Principles Waste Management - Recycling	Medium

KCET/JEE/NEET Focus: Physical Chemistry and Organic Chemistry are crucial for all competitive exams.

Biology - Important Chapters

Unit	Important Topics	Priority
Plant Physiology	Plant Transport - Water and Mineral Uptake Photosynthesis - Light Reaction, Calvin Cycle Respiration in Plants - Glycolysis, Kreb's Cycle Plant Growth and Development - Hormones Mineral Nutrition - Essential Elements	Very High
Animal Physiology	Digestion and Absorption Breathing and Exchange of Gases Body Fluids and Circulation - Blood, Heart Excretory Products - Urine Formation Locomotion and Movement - Muscle Contraction Neural Control and Coordination Chemical Coordination - Endocrine System	Very High
Genetics & Evolution	Principles of Inheritance - Mendelian Genetics Molecular Basis of Inheritance - DNA, RNA Evolution - Origin of Life, Natural Selection Genetic Disorders	High
Ecology & Environment	Organisms and Populations - Factors Ecosystem - Structure, Energy Flow Biodiversity and Conservation Environmental Issues - Pollution	Medium

NEET Focus: Plant and Animal Physiology are crucial for NEET. 90% questions come from NCERT.

Mathematics - Important Chapters

Unit	Important Topics	Priority
Calculus	Limits and Derivatives - Concepts, Rules Continuity and Differentiability Application of Derivatives - Maxima/Minima Integrals - Indefinite and Definite Application of Integrals - Area under Curves Differential Equations	Very High
Algebra	Trigonometric Functions - Identities, Equations Complex Numbers and Quadratic Equations Permutations and Combinations Binomial Theorem - Expansion Sequence and Series - AP, GP Sets, Relations and Functions	High
Vector & 3D Geometry	Vectors - Algebra, Dot and Cross Product 3D Geometry - Lines, Planes Linear Programming - Graphical Method	High
Statistics & Probability	Statistics - Measures of Central Tendency Probability - Conditional, Bayes' Theorem Random Variables and Probability Distributions	Medium

JEE/KCET Focus: Calculus and Algebra are crucial for JEE Main and KCET.

How to Use This Chapter List

Prioritize High-Weightage Chapters

Focus first on chapters marked "Very High" and "High" priority. These chapters typically cover 60-70% of the exam marks and are also important for competitive exams.

Create Chapter-wise Timetable

Allocate more time to important chapters in your study schedule. Dedicate 2-3 days for "Very High" priority chapters.

Practice Competitive Exam Questions

Focus on KCET/JEE/NEET level questions from these chapters. Solve previous year competitive exam papers for practice.

Chapter-wise Marks Breakdown for Science

Physics

• Mechanics: 25 marks - Highest
• Modern Physics: 13 marks - High
• Thermodynamics: 15 marks - High
• Waves & Oscillations: 15 marks - High
• Optics: 12 marks - Medium

Chemistry

• Physical Chemistry: 25 marks - Highest
• Organic Chemistry: 25 marks - Highest
• Inorganic Chemistry: 20 marks - High
• Environmental Chemistry: 10 marks - Medium

Biology

• Animal Physiology: 25 marks - Highest
• Plant Physiology: 20 marks - Very High
• Genetics & Evolution: 15 marks - High
• Ecology & Environment: 15 marks - Medium

Mathematics

• Calculus: 25 marks - Highest
• Algebra: 20 marks - Very High
• Vector & 3D Geometry: 20 marks - High
• Statistics & Probability: 15 marks - Medium