HSC Priority Topics 2026-27

Gujarat Board Class 12 Science Important Chapters 2026-27

High Priority Chapters for GSEB Class 12 Science HSC Board Exam & Competitive Preparation

Subject-wise Important Chapters • Scoring Topics • JEE/NEET Foundation
Focus on these high-priority chapters for maximum success in HSC board exam and competitive exams.

View Chapters Free Consultation

Physics Important Chapters for HSC Board Exam

Focus on these high-priority chapters in Physics to score maximum marks in HSC board exam and build foundation for JEE/NEET.

Unit	Important Chapters/Topics	Marks
Electrostatics	Electric Charges and Fields - Coulomb's Law Electric Flux and Gauss's Law - Applications Electric Potential and Potential Energy Capacitance and Capacitors Dielectrics and Polarization	8
Current Electricity	Ohm's Law and Electrical Resistance Kirchhoff's Laws - Junction and Loop Wheatstone Bridge and Potentiometer Electrical Power and Energy Cells - EMF, Internal Resistance	8
Magnetic Effects	Magnetic Force on Moving Charges Biot-Savart's Law - Applications Ampere's Circuital Law Force between Parallel Currents Torque on Current Loop	8
Electromagnetic Induction	Faraday's Laws - Experiments Lenz's Law and Conservation of Energy Motional EMF and Induced EMF Self and Mutual Induction AC Generator and Transformer	8
Alternating Current	AC Voltage and Current - RMS, Peak Values LCR Series Circuits - Impedance Resonance - Sharpness and Q-factor Power in AC Circuits	6
Ray Optics	Reflection - Laws and Applications Spherical Mirrors - Mirror Formula Refraction - Laws and Applications Lens Formula and Lens Maker's Formula Prism - Dispersion and Deviation	8
Wave Optics	Huygens' Principle - Wavefronts Interference - Young's Double Slit Diffraction - Single Slit and Diffraction Grating Polarization - Malus' Law	6
Modern Physics	Dual Nature of Radiation and Matter Photoelectric Effect - Einstein's Equation Atomic Structure - Bohr's Model Nuclear Physics - Radioactivity Nuclear Fission and Fusion Semiconductors - Diodes and Transistors	8

Pro Tip: Focus on Electrostatics, Current Electricity, and Modern Physics as they carry high weightage. These are also important for JEE preparation.

Chemistry Important Chapters for HSC Board Exam

Unit	Important Chapters/Topics	Marks
Solutions	Colligative Properties - RLV, EBP, FDP, OP Van't Hoff Factor and its Applications Henry's Law - Solubility of Gases Raoult's Law - Ideal and Non-Ideal Solutions	8
Electrochemistry	Electrochemical Cells - Galvanic Cells Electrode Potential - Nernst Equation Conductance - Molar, Specific Conductance Electrolysis - Faraday's Laws Batteries - Primary and Secondary	8
Chemical Kinetics	Rate Laws - Order and Molecularity Integrated Rate Equations Arrhenius Equation - Activation Energy Catalysis - Homogeneous and Heterogeneous	8
Coordination Compounds	Werner's Theory - Coordination Chemistry Nomenclature of Coordination Compounds Isomerism - Structural and Stereoisomerism Bonding - VBT and CFT Applications of Coordination Compounds	8
Haloalkanes and Haloarenes	Nucleophilic Substitution Reactions - SN1, SN2 Elimination Reactions Reactions of Haloarenes Environmental Effects - CFCs	6
Aldehydes, Ketones and Carboxylic Acids	Nomenclature and Classification Reactions - Nucleophilic Addition Oxidation and Reduction Carboxylic Acids - Reactions and Derivatives	8
Biomolecules	Carbohydrates - Classification and Properties Proteins - Amino Acids and Structure Enzymes - Mechanism and Kinetics Nucleic Acids - DNA and RNA	6

Biology Important Chapters for HSC Board Exam (PCB)

Unit	Important Chapters/Topics	Marks
Reproduction	Sexual Reproduction in Flowering Plants Human Reproduction - Male and Female Reproductive Health - Contraception, STDs Population Control - Family Planning	15
Genetics and Evolution	Mendelian Inheritance - Laws Chromosomal Theory of Inheritance Linkage and Crossing Over Evolution - Darwinian Theory Human Genome Project	15
Biology and Human Welfare	Human Health and Diseases - Immunity Cancer, AIDS, and Other Diseases Improvement in Food Production Microbes in Human Welfare	12
Biotechnology	Principles of Biotechnology - Genetic Engineering Recombinant DNA Technology Biotechnology and its Applications Transgenic Organisms Gene Therapy and Stem Cells	12
Ecology and Environment	Ecosystem - Structure and Function Energy Flow and Nutrient Cycling Biodiversity and Conservation Environmental Issues - Pollution, Climate Change	12

Mathematics Important Chapters for HSC Board Exam (PCM)

Unit	Important Chapters/Topics	Marks
Calculus - Continuity and Differentiability	Continuity - Definition and Conditions Differentiability - Definition and Rules Derivatives of Standard Functions Chain Rule and Implicit Differentiation Second Derivatives	10
Applications of Derivatives	Rate of Change of Quantities Increasing and Decreasing Functions Maxima and Minima - Applications Tangents and Normals	10
Integral Calculus	Indefinite Integrals - Standard Formulas Methods of Integration - Substitution, Parts Definite Integrals - Properties Fundamental Theorem of Calculus	10
Differential Equations	Order and Degree of Differential Equations Formation of Differential Equations Solution of Differential Equations - Variable Separable Linear Differential Equations - Applications	8
Vectors and 3D Geometry	Vectors - Addition, Subtraction, Multiplication Scalar and Vector Products Equations of Lines and Planes Angle between Lines and Planes	8
Linear Programming	Linear Inequalities and Graphical Method Feasible Region and Optimal Solution LPP - Maxima and Minima Applications in Business and Industry	8
Probability	Conditional Probability - Bayes' Theorem Random Variables and Probability Distribution Mean and Variance of Random Variables Binomial Distribution - Applications	8

Note: Regular practice is essential for Mathematics. Focus on Calculus as it carries high weightage and is important for JEE preparation.