CBSE Class 11 Science

CBSE Class 11 Science Guide 2026-27

PCM & PCB — Complete Study Resource

Build a strong foundation for JEE, NEET, and other competitive exams. Your complete CBSE Class 11 Science roadmap for academic and competitive success.

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4 Core Subjects 6 Sections Updated for 2026-27 JEE & NEET Prep

CBSE Class 11 Science Syllabus 2026-27

Physics

• Physical World and Measurement
• Kinematics
• Laws of Motion
• Work, Energy and Power
• Motion of System of Particles
• Gravitation
• Properties of Bulk Matter
• Thermodynamics
• Behaviour of Perfect Gases
• Oscillations and Waves

Chemistry

• Some Basic Concepts of Chemistry
• Structure of Atom
• Classification of Elements
• Chemical Bonding
• States of Matter
• Thermodynamics
• Equilibrium
• Redox Reactions
• Hydrogen and s-block Elements
• Organic Chemistry Basics

Biology (PCB)

• Diversity in Living World
• Structural Organisation in Plants/Animals
• Cell Structure and Function
• Plant Physiology
• Human Physiology

Mathematics (PCM)

• Sets and Functions
• Algebra
• Coordinate Geometry
• Calculus
• Mathematical Reasoning
• Statistics and Probability

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CBSE Class 11 Science Exam Pattern 2026-27

Subject	Total Marks	Theory	Internal	Exam Duration
Physics	100	70	30	3 hours
Chemistry	100	70	30	3 hours
Biology/Mathematics	100	70	30	3 hours
English	100	80	20	3 hours

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CBSE Class 11 Science Important Dates 2026-27

Event	Date (Tentative)
Academic Year Start	April 2026
First Periodic Test	May 2026
Half-Yearly Exam	November 2026
Final Exam	February-March 2027
Result Declaration	March-April 2027

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CBSE Class 11 Science Preparation Tips

Subject-wise Strategy

• Physics: Understand concepts, practice numericals
• Chemistry: Focus on reactions and mechanisms
• Biology: Learn diagrams and processes
• Mathematics: Practice daily, master formulas

Competitive Prep

• Start JEE/NEET preparation early
• Solve previous years' question papers
• Take mock tests regularly
• Join coaching if needed

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CBSE Class 11 Science Important Chapters

Physics

• Kinematics - Motion in 1D and 2D
• Laws of Motion - Newton's laws
• Work, Energy and Power
• Gravitation
• Thermodynamics
• Oscillations and Waves

Chemistry

• Some Basic Concepts
• Structure of Atom
• Chemical Bonding
• Thermodynamics
• Equilibrium
• Organic Chemistry Basics

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CBSE Class 11 Science Chapter Weightage

Subject	Unit	Weightage (%)
Physics	Mechanics	35%
	Thermodynamics	20%
	Waves & Oscillations	15%
Chemistry	Physical Chemistry	35%
	Inorganic Chemistry	30%
	Organic Chemistry	35%

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Frequently Asked Questions

What is the difference between PCM and PCB?

PCM stands for Physics, Chemistry, and Mathematics. It is for students aiming for engineering careers. PCB stands for Physics, Chemistry, and Biology. It is for students aiming for medical careers.

Which is better for JEE: PCM or PCB?

PCM is the required combination for JEE (Engineering entrance). PCB is for NEET (Medical entrance). Students should choose based on their career goals.

How can StudyDecode help me with CBSE Class 11 Science?

StudyDecode provides comprehensive guidance for CBSE Class 11 Science students. From subject selection to exam preparation, career counseling, and JEE/NEET guidance — we help you build a strong foundation. Book a free consultation to know more.