HSC Board Exam 2026-27

Maharashtra Board Class 12 Science Important Chapters 2026-27

Subject-wise Important Topics for MSBSHSE Class 12 Science HSC Board Exams

Focus on these high-priority chapters to score excellent marks in Maharashtra Board Class 12 Science HSC board exams 2026-27.

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Physics Important Chapters (HSC Board Exam)

High Priority (20%+ weightage)

• Optics - Ray and Wave Optics
• Modern Physics - Atoms and Nuclei
• Electrostatics
• Electromagnetic Induction
• Current Electricity
• Magnetic Effects of Current

Medium Priority (10-19% weightage)

• Electromagnetic Waves
• Electronics
• System of Particles and Rotational Motion
• Gravitation
• Properties of Bulk Matter
• Kinetic Theory of Gases

Low Priority (Below 10% weightage)

• Physical World and Measurement
• Kinematics
• Laws of Motion
• Work, Energy and Power

Chemistry Important Chapters (HSC Board Exam)

High Priority (20%+ weightage)

• Organic Chemistry - Basic Principles
• Hydrocarbons
• Haloalkanes and Haloarenes
• d-Block and f-Block Elements
• Alcohols, Phenols and Ethers
• Coordination Compounds

Medium Priority (10-19% weightage)

• Solutions and Electrochemistry
• Chemical Kinetics
• p-Block Elements
• Surface Chemistry
• General Principles of Isolation of Elements

Low Priority (Below 10% weightage)

• Some Basic Concepts of Chemistry
• Structure of Atom
• Classification of Elements
• States of Matter
• Redox Reactions

Biology Important Chapters (HSC Board Exam - PCB Option)

High Priority (20%+ weightage)

• Genetics and Evolution
• Biotechnology and its Applications
• Ecology and Environment
• Human Health and Disease
• Reproduction
• Plant Physiology

Medium Priority (10-19% weightage)

• Structural Organisation in Plants
• Structural Organisation in Animals
• Biomolecules
• Cell Structure and Function

Low Priority (Below 10% weightage)

• Diversity of Living Organisms
• Microbiology
• Immunology

Mathematics Important Chapters (HSC Board Exam - PCM Option)

High Priority (20%+ weightage)

• Calculus - Continuity, Differentiability, Integration
• Algebra - Matrices and Determinants
• Vectors and 3D Geometry
• Differential Equations

Medium Priority (10-19% weightage)

• Relations and Functions
• Probability and Statistics
• Linear Programming
• Applications of Derivatives

Low Priority (Below 10% weightage)

• Sets and Functions
• Trigonometric Functions
• Complex Numbers
• Permutations and Combinations
• Binomial Theorem

Strategy Based on Priority

Priority 1: High (20%+ weightage)

• Focus on these chapters first
• They carry maximum weightage
• Can significantly impact your final HSC board exam score
• Master these topics thoroughly
• Practice previous years' questions from these chapters

Priority 2: Medium (10-19% weightage)

• Study after high-priority chapters
• Important for scoring well
• Can help improve overall score
• Don't skip these topics
• Practice regularly

Priority 3: Low (Below 10% weightage)

• Study after covering high-priority topics
• Helps maximize overall score
• Use for revision and practice
• Don't neglect these topics
• Quick revision before exams