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CBSE Class 12th Science Syllabus 2021 - PDF Download here

Rahul Raj
Rahul RajPublished On: December 21, 2020

With the CBSE Class 12 board exams just few months away, it is time that students are aware of the CBSE Class 12th Science syllabus 2021. 

CBSE Class 12th Science Syllabus 2021

CBSE Class 12 Syllabus plays an important role in the preparation of competitive exams such as JEE Main, NEET, and many other state-level entrance examinations. It is time that students are aware of the CBSE Class 12th Science Syllabus.

CBSE Class 12 Science Physics Syllabus 2021

Have a look at CBSE Class 12 Science Physics syllabus for the 2021 academic year here"




Unit- 1

Physical World and Measurement

23 Marks

Chapter–1: Physical World

Chapter–2: Units and Measurements



Chapter–3: Motion in a Straight Line

Chapter–4: Motion in a Plane


Laws of Motion

Chapter–5: Laws of Motion


Work, Energy and Power

17 Marks

Chapter–6: Work, Energy and Power


Motion of System of Particles and Rigid Body

Chapter–7: System of Particles and Rotational Motion



Chapter–8: Gravitation


Properties of Bulk Matter

20 Marks

Chapter–9: Mechanical Properties of Solids

Chapter–10: Mechanical Properties of Fluids

Chapter–11: Thermal Properties of Matter



Chapter–12: Thermodynamics


Behaviour of Perfect Gases and Kinetic Theory of Gases

Chapter–13: Kinetic Theory


Oscillations and Waves

10 Marks

Chapter–14: Oscillations

Chapter–15: Waves


70 Marks

Detailed Physics Syllabus:-

Click here to see Class 12th Science- Physics Syllabus

CBSE Class 12th Science Biology Syllabus 2021

The Biology syllabus followed by CBSE for the academic year 2021 are as follows:-





Diversity of Living Organisms

15 Marks


Structural Organization in Plants and Animals

8 Marks


Cell: Structure and Function

15 Marks


Plant Physiology

15 Marks


Human Physiology

17 Marks


70 Marks

Detailed Biology Syllabus:-

Click here to see Class 12th Science- Biology Syllabus

CBSE Class 12th Science- Chemistry Syllabus 2021

The Chemistry syllabus followed by CBSE for the academic year 2021 are as follows:-

Unit No.



Unit 1

Some Basic Concepts of Chemistry

11 Marks

Unit 2

Structure of Atom

Unit 3

Classification of Elements and Periodicity in Properties

4 Marks

Unit 4

Chemical Bonding and Molecular Structure

21 Marks

Unit 5

States of Matter: Gases and Liquids

Unit 6

Chemical Thermodynamics

Unit 7


Unit 8

Redox Reactions

16 Marks

Unit 9


Unit 10

s -Block Elements

Unit 11

Some p -Block Elements

Unit 12

Organic Chemistry: Some Basic Principles and Techniques

 18 Marks

Unit 13



70 Marks

Detailed Chemistry Syllabus:-

Click here to see Class 12th Science- Chemistry Syllabus

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