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Academic Session 2026-27

Haryana Board Class 11 Science Important Chapters 2026-27

High Priority Chapters for HBSE Class 11 Science Exam Success

Focus on These High-Weightage Chapters
Subject-wise list of important chapters, key concepts, and topics that carry maximum marks in Haryana Board Class 11 Science exams.

4 Core Subjects 35+ Important Chapters High Priority Topics Maximum Marks Focus

Physics Important Chapters 2026-27

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

High Priority Chapters

  • Laws of Motion - Newton's Laws, Friction, Applications
  • Kinematics - Motion in 1D and 2D, Projectile Motion
  • Oscillations & Waves - SHM, Wave Motion, Doppler Effect
  • Thermodynamics - Laws, Heat Engines, Entropy
  • Work, Energy & Power - Conservation of Energy, Collisions
  • System of Particles & Rotational Motion - Moment of Inertia, Torque

Key Concepts to Focus

  • Newton's Laws of Motion and their Applications
  • Equations of Motion - Derivation and Problems
  • Work-Energy Theorem
  • Law of Conservation of Linear Momentum
  • Simple Harmonic Motion - Equations and Applications
  • First Law of Thermodynamics
  • Gravitational Potential Energy
  • Bernoulli's Principle and its Applications
Focus: Laws of Motion (12%), Kinematics (12%), Oscillations & Waves (12%) carry the highest weightage. Practice numerical problems regularly for these chapters.

Chemistry Important Chapters 2026-27

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

High Priority Chapters

  • Organic Chemistry Basics - Classification, Nomenclature, Isomerism
  • Chemical Bonding & Molecular Structure - VSEPR, Hybridization
  • Structure of Atom - Atomic Models, Electronic Configuration
  • Equilibrium - Chemical and Ionic Equilibrium
  • Some Basic Concepts of Chemistry - Mole Concept, Stoichiometry
  • Classification of Elements - Periodic Table, Periodicity

Key Concepts to Focus

  • Mole Concept and Molar Mass Calculations
  • Periodic Trends - Atomic Radius, Ionization Energy
  • VSEPR Theory and Molecular Shapes
  • Hybridization - sp, sp2, sp3
  • Law of Mass Action and Equilibrium Constant
  • IUPAC Nomenclature of Organic Compounds
  • Le Chatelier's Principle
  • pH Scale and Buffer Solutions
Focus: Organic Chemistry Basics (12%), Chemical Bonding (10%), Structure of Atom (10%) carry the highest weightage. Practice nomenclature and bonding concepts regularly.

Biology Important Chapters 2026-27

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

High Priority Chapters

  • Human Physiology - Digestive, Respiratory, Circulatory, Excretory
  • Plant Physiology - Transport, Photosynthesis, Respiration
  • Cell Structure & Function - Organelles, Cell Division
  • Diversity of Living Organisms - Classification, Taxonomy
  • Structural Organization - Plant and Animal Tissues
  • Biomolecules - Carbohydrates, Proteins, Lipids, Nucleic Acids

Key Concepts to Focus

  • Structure and Function of Digestive System
  • Mechanism of Photosynthesis - Light and Dark Reactions
  • Mitosis and Meiosis - Stages and Significance
  • Classification of Animals - Vertebrates and Invertebrates
  • Cell Organelles - Nucleus, Mitochondria, Chloroplast
  • Plant Tissues - Meristematic and Permanent
  • Human Excretory System - Nephron Function
  • Enzymes - Properties and Mechanism of Action
Focus: Human Physiology carries 18%, Plant Physiology 12%, Cell Structure 12%. Focus on diagrams and physiological processes for maximum scores.

Mathematics Important Chapters 2026-27

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

High Priority Chapters

  • Calculus - Limits, Derivatives, Integration
  • Algebra - Complex Numbers, Quadratic Equations, Matrices
  • Trigonometry - Functions, Equations, Properties
  • Coordinate Geometry - Straight Lines, Conic Sections
  • Sets, Relations & Functions - Types and Properties

Key Concepts to Focus

  • Limits - Evaluation Methods
  • Derivatives - Chain Rule, Implicit Differentiation
  • Integration - Basic Formulae and Methods
  • Complex Numbers - Operations and Properties
  • Quadratic Equations - Nature of Roots
  • Matrices - Types, Operations, Determinants
  • Trigonometric Identities and Equations
  • Equation of Straight Lines and Circles
Focus: Calculus carries 22%, Algebra 18%, Trigonometry 15%. Practice problems daily from these chapters for maximum scores.

Strategy for Maximum Marks

Prioritize High-Weightage

Focus on chapters with 12%+ weightage first

Time Management

Allocate more time to high-weightage chapters

Regular Revision

Revise high-priority chapters multiple times

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