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Deleted Syllabus of Class 11 CBSE 2025-26

To reduce the content load and to sync the curriculum of Class 11 with National Education Policy 2020, the CBSE board has reduced the syllabus. This page covers Deleted Syllabus of Class 11 CBSE 2025-26 to help students better prepare for the exam. 

For ease, we have shared the name of deleted topics and lessons from each subject. Along with that, the tabular format has been used for easy-to-grasp information.

Deleted Syllabus of Class 11 CBSE 2025-26

Note: The board has decided to continue using the rationalised syllabus for 2025-26.

Subject-Wise Deleted Syllabus of Class 11 CBSE 2025-26 PDF

When CBSE dropped 30% of the syllabus of Class 11 many topics, along with examples and questions were removed from all the subjects. There is a list of topics that are removed from English, Maths, Physics, Biology, History etc. 

👉 Check Hindi Syllabus Here

👉 Check English Syllabus Here

👉 Check Physics Syllabus Here

👉 Check Maths Syllabus Here

👉 Check Chemistry Syllabus Here

👉 Check Biology Syllabus Here

👉 Check Business Studies Syllabus Here

👉 Check Sociology Syllabus Here

👉 Check Psychology Syllabus Here

👉 Check Psychology Syllabus Here

👉 Check Biotechnology Syllabus Here

Those who are looking for a subject-wise deleted Syllabus of Class 11 CBSE 2025-26 PDF can use the links we have provided on this website. Apart from the PDF, we have also shared the details of deleted Syllabus of Class 11 CBSE 2025-26 for each subject, one by one.

Deleted Syllabus of Class 11 Hindi 2025-26 (Core and Elective)

Hindi is one of the common subjects in all the streams in Class 11 and therefore, it is important for all the students to learn about the deleted portion of Class 11 Hindi 2025-26 for both core and elective.

आरोह भाग - 1 काव्य खंड
  • कबीर (पद 2) - संतो देखत जग बौराना
  • मीरा (पद 2) - पग घुंगरू बांधि मीरा नाची
  • रामनरेश त्रिपाठी - पथिक (पूरा पाठ)
  • सुमित्रानंदन पंत - वे आँखें (पूरा पाठ)
गद्य खंड
  • कृष्णनाथ - स्पीति में बारिश (पूरा पाठ)
  • सैयद हैदर रज़ा - आत्मा का ताप (पूरा पाठ)

NCERT Class 11 Hindi Core  Rationalised Content

आरोह भाग-1 (Aaroh Part-1)
अध्याय का नाम पृष्ठ सं. हटाए गए विषय / अध्याय
स्पीति में बारिश 68-78 संपूर्ण अध्याय
आत्मा का ताप 118-126 संपूर्ण अध्याय
पथिक 140-144 संपूर्ण अध्याय
वे आँखें 145-150 संपूर्ण अध्याय
वितान भाग-1 (Vitaan Part-1)
पुस्तक में कोई परिवर्तन नहीं
अभिव्यक्ति और माध्यम (Abhivyakti and Madhyam)
पुस्तक में कोई परिवर्तन नहीं

Deleted Syllabus of Class 11 English 2025-26 (Core and Elective)

English is one of the common subjects in all the streams in Class 11 and therefore, it is essential for all the students to learn about the deleted portion of Class 11 English 2025-26 for both core and elective.

SECTION DELETED TOPIC(S)
Grammar
  • Dialogue Completion
  • Determiners, modals and Change of Voice
  • Error Correction, editing tasks
Writing
  • Article/speech/report writing or a narrative
Literature Hornbill
  • Chapter 4: The Landscape of the Soul by Nathalie Trouveroy
  • Chapter 6: The Browning Version by Terrence Rattigan
Snapshots
  • Chapter 3: Ranga’s Marriage by Venkatesha Iyengar
  • Chapter 4: Albert Einstein at School by Patrick Pringle
  • Chapter 6: The Ghat of the Only World by Amitav Ghosh

Section-wise weightage CBSE class 11 English 2025-26:

Sections Total marks
Section A: Reading Comprehension 26
Section B: Grammar and Creative Writing Skills 23
Section C: Language through Literature 31
Total 80

The old CBSE Class 11 English Core Unit-wise weightage was quite different from the present one. Check the old unit-wise weightage in the table below:

Sections Total marks
Section A: Reading Comprehension 20
Section B: Grammar and Creative Writing Skills 30
Section C: Language through Literature 30
Total 80

To facilitate a comprehensive comparison and understanding of the modifications made to the CBSE Class 11 English Core syllabus, refer to the table below. The table provides a clear demarcation between the old and current English Core syllabus, allowing for a better analysis of the changes.

Old Syllabus 2025-26 Syllabus
Section A Section A
READING COMPREHENSION 

There shall be two unseen passages (including poems) with a variety of questions like Objective Type Questions, Short Answer Questions and Multiple Choice Questions, including 04 marks for vocabulary such as word formation and inferring meaning.

Multiple Choice Questions (1x6=6marks), Objective Type Questions ( 1x6= 6marks), 01 Short Answer Question (3x1=3marks), 01 Long Answer Question (5x1=5marks) 

The range of the two passages including a poem or a stanza, should be 900-1000 words as per the following details: 

1. The passage of 550-600 words in length will be used for note-making and summarizing. 

2. The passage of 350-400 words in length will be used to test comprehension, interpretation and inference. 

OR 

3. An unseen poem of 28-35 lines to test comprehension, interpretation and inference. 

The passages as given above could be of any one of the following types: 

Factual passages, e.g., illustrations, description, reports / Discursive passages involving opinion, e.g., argumentative, persuasive/Literary passages e.g. extracts from fiction, biography, autobiography, travelogue, etc. In the case of a poem, the text may be shorter than the prescribed word limit.

Reading Comprehension through Unseen Passages 

 

1. One unseen passage to assess comprehension, interpretation, analysis, inference and vocabulary. The passage may be factual, descriptive or literary. 

2. One unseen case-based factual passage with verbal/visual inputs like statistical data, charts etc. to assess comprehension, interpretation, analysis, inference and evaluation. 

Note: The combined word limit for both the passages will be 600-750. 

Multiple Choice Questions / Objective Type Questions will be asked. 

3. Note Making and Summarization based on a passage of approximately 200-250 words.

i. Note Making: 5 Marks 

○ Title: 1 

○ Numbering and indenting: 1 

○ Key/glossary: 1 

○ Notes: 2 

ii. Summary (up to 50 words): 3 Marks 

○ Content: 2 

○ Expression: 1 

Section B

Section B

WRITING SKILLS AND GRAMMAR

Writing 

1. One Short Answer Question: Based on notice/ poster/ advertisement- 4 Marks 

2. Two Long Answer Questions: Letters based on verbal/visual input. – (6x2=12 Marks) 

It would cover all types of letters. Letter types may include: 

(a) business or official letters (for making enquiries, registering complaints, asking for and giving information, placing orders and sending replies) 

(b) letters to the editor (giving suggestions/opinions on an issue) 

(c) application for a job with a bio-data or résumé 

(d) letter to the school or college authorities, regarding admissions, school issues, requirements/suitability of courses, etc. 

3. Very Long Answer Question: Composition in the form of article/speech/report writing or a narrative- 8 Marks 

GRAMMAR ( 6 Objective Type Questions)

Different grammatical structures in meaningful contexts will be tested. Item types will include gap filling, sentence re-ordering, dialogue completion and sentence transformation. The grammar syllabus will include determiners, tenses, clauses, modals and Change of Voice. These grammar areas will be tested through 6 objective type questions on the following: 

A. Error Correction, editing tasks 

B. Re -ordering of sentences, 

C. Transformation of sentences

Grammar (7 Marks)

4. Questions on Gap filling (Tenses, Clauses) 

5. Questions on re-ordering/transformation of sentences

(Total seven questions to be done out of the eight given). 

Creative Writing Skills 16 Marks 

6. Short writing task – Classified Advertisements, up to 50 words. One out of the two given questions to be answered (3 Marks: Format: 1 / Content: 1 / Expression: 1) 

7. Short writing task –Poster up to 50 words. One out of the two given questions to be answered.(3 marks: Format: 1 / Content: 1 / Expression: 1) 

8. Long Writing task: Speech in 120-150 words based on verbal/visual cues related to contemporary / age-appropriate topic. One out of the two given questions to be answered. (5 Marks: Format: 1 / Content: 2 / Expression: 2) 

9. Long Writing Task: Debate based on visual/verbal inputs in 120-150 words, thematically related to contemporary, topical issues. One out of the two given questions to be answered. (5 Marks: Format: 1 / Content: 2 / Expression: 2)

SECTION C

SECTION C

LITERATURE

Questions from the prescribed texts to test comprehension at different levels, like literal, inferential and evaluative will be asked. 

1. Two Objective Type Questions out of three - Based on an extract from poetry to test reference to context comprehension and appreciation. – (1x2=2 Marks) 

2. Five Short Answer Questions out of six (3 questions should be from Hornbill) - Based on prose, poetry and plays from both the texts. (2x5=10 marks)) 

3. One Long Answer Question out of two from Hornbill (to be answered in 120-150 words) Based on prescribed texts to test global comprehension and extrapolation beyond the texts. (6 marks)

4. One Long Answer Questions out of two from Snapshots (to be answered in 120-150 words) -Based on theme, plot, incidents or events to test global comprehension and extrapolation beyond the texts. (6 marks)

5. One Long Answer Question out of two from Hornbill (to be answered in 120-150 words)-Based on understanding appreciation, analysis and interpretation of the characters/events/episodes/incidents.(6 marks)

Literature Text Book and Supplementary Reading Text

This section will have variety of assessment items including Multiple Choice Questions, Objective Type Questions, Short Answer Type Questions and Long Answer Type Questions to assess comprehension, interpretation, analysis, evaluation and extrapolation beyond the text.

 

10. One Poetry extract out of two, from the book Hornbill, to assess comprehension, interpretation, analysis, inference and appreciation. (3x1=3 Marks) 

11. One Prose extract out of two, from the book Hornbill, to assess comprehension, interpretation, analysis, evaluation and appreciation. (3x1=3 Marks) 

12. One prose extract out of two, from the book Snapshots, to assess comprehension, interpretation, analysis, inference and appreciation. (4x1=4 Marks) 

13. Two Short answer type questions (one from Prose and one from Poetry, from the book Hornbill), out of four, to be answered in 40-50 words. Questions should elicit inferential responses through critical thinking. (3x2=6 Marks) 

14. One Short answer type question, from the book Snapshots, to be answered in 40- 50 words. Questions should elicit inferential responses through critical thinking. One out of two questions to be done. (3x1=3 Marks) 

15. One Long answer type question, from Prose/Poetry of Hornbill, to be answered in 120-150 words. Questions can be based on incident/theme/passage/extract/event, as reference points to assess extrapolation beyond and across the text. The question will elicit analytical and evaluative response from the student. Any one out of two questions to be done. (1x6=6 Marks) 

16. One Long answer type question, based on the chapters from the book Snapshots, to be answered in 120-150 words, to assess global comprehension and extrapolation beyond the text. Questions to provide analytical and evaluative responses, using incidents, events, themes, as reference points. Any one out of two questions to be done. (1x6=6 Marks)

Deleted Syllabus of Class 11 Physics 2025-26

Physics is important for students who have taken PCB (Physics, Chemistry and Biology) or PCM (Physics, Chemistry and Maths). The topics studied in Class 11 Physics are also important for entrance exam preparation and therefore, students should pay attention to the Deleted Syllabus of Class 11 Physics 2025-26 to understand what topics and chapters are removed from the Class 11 Physics Syllabus 2025-26.

CBSE Class 11 Physics Deleted Syllabus 2025-26

Chapter Name

Deleted Topics

Added Topics

Chapter 1: Physical World

Complete Chapter

-

Chapter 2: Units and Measurements 

Length, mass and time measurements; accuracy and precision of measuring instruments; errors in measurement

-

Chapter 3: Motion in a Straight Line 

Position-time graph, speed and velocity. Average Speed.

-

Chapter 4: Motion in a Plane

Relative Velocity, Acceleration Projectile

-

Chapter 5: Laws of Motion

-

-

Chapter 6: Work, Energy and Power

conservation of mechanical energy (kinetic and potential energies)

-

Chapter 7: System of Particles and Rotational Motion

Statement of parallel and perpendicular axes theorems and their applications.

-

Chapter 8: Gravitation  

Geo-stationary satellites, 

escape velocity changed to escape speed

-

Chapter 9: Mechanical Properties of Solids 

  • Elastic behaviour changed to Elasticity
  • shear modulus of rigidity changed to shear modulus of rigidity (qualitative idea only)

-

Chapter 10: Mechanical Properties of Fluids

Bernoulli’s theorem and its applications changed to Bernoulli’s theorem and its simple applications

-

Chapter 11: Thermal Properties of Matter

Greenhouse effect

 

Chapter 12: Thermodynamics 

  • isothermal and adiabatic processes
  • reversible and irreversible processes, Heat engine and refrigerator

gaseous state of matter, change of condition of gaseous state -isothermal, adiabatic, reversible, irreversible, and cyclic processes.

Chapter 13: Kinetic Theory 

-

-

Chapter 14: Oscillations

Free, forced and damped oscillations (qualitative ideas only), resonance.

periodic functions and their applications.

Chapter 15: Waves

Doppler effect

-

 CBSE Class 11 Physics List of Rationalised Content 2025-26 

The National Council of Educational Research and Training has released the list of rationalised content for CBSE Class 7 to 12. Check the list of rationalised content for all the subjects. From that huge and complicated list, we have extracted the information for you to fulfil your reason to land on this page. Check below the list of all the topics dropped from the Class 11 CBSE Physics NCERT textbook 2025-26.

Chapters

Topics Deleted

Chapter 1: Physical World

1.1 What is Physics?

1.2 Scope and Excitement of Physics

1.3 Physics, Technology and Society

1.4 Fundamental Forces in Nature

1.5 Nature of Physical Laws

Chapter 2: Units and Measurements 

2.3 Measurement of Length

2.4 Measurement of Mass

2.5 Measurement of Time

2.6 Accuracy, Precision of

Instruments and Errors in Measurement

Exercises 2.13, 2.14, 2.19–2.22, 2.24–2.33

Chapter 3: Motion in a Straight Line 

3.2 Position, Path Length and Displacement

3.3 Average Velocity and Average Speed

3.7 Relative Velocity

Exercises 3.5, 3.7–3.9 and 3.23–3.28

Appendix 3.1

Chapter 4: Motion in a Plane

4.9 Relative Velocity in Two Dimensions 

Exercises 4.12–4.14; 4.26–4.32

Chapter 5: Laws of Motion

Exercises 5.24–5.40 

Chapter 6: Work, Energy and Power

6.10 Various Forms of Energy: the Law of Conservation of Energy Exercises 6.24–6.29

Chapter 7: System of Particles and Rotational Motion

7.10 Theorems of Perpendicular and Parallel Axes

7.14 Rolling Motion

Exercises 7.10, 7.18–7.19,

7.21–7.33

Chapter 8: Gravitation  

8.11 Geostationary and Polar Satellites

8.12 Weightlessness

Exercises 8.3–8.5, 8.22–8.25

Appendix 8.1

Chapter 9: Mechanical Properties of Solids 

9.2 Elastic Behaviour of Solids

9.6.2 Determination of Young’s Modulus of the Material of a Wire

Exercises 9.17 – 9.21

Chapter 10: Mechanical Properties of Fluids

10.4.2 Venturi-meter

10.4.3 Blood Flow and Heart Attack

10.6.6 Detergents and Surface Tension

Exercises 10.21–10.31

Appendix 10.1

Chapter 11: Thermal Properties of Matter

11.9.5 Greenhouse Effect

Exercises 11.21 – 11.22

Chapter 12: Thermodynamics 

12.9 Heat Engines

12.10 Refrigerators and Heat Pumps

Exercises 12.7 and 12.10

Chapter 13: Kinetic Theory 

13.6.5 Specific Heat Capacity of Water

Exercises 13.11–13.14

Chapter 14: Oscillations

14.9 Damped Simple Harmonic Motion

14.10 Forced Oscillations and Resonance

Exercises 14.16 (p. 365),

14.20–14.25 

Chapter 15: Waves

15.8 Doppler Effect

Exercises 15.20–15.27

Answers

In accordance with the reduction in Exercises in text.

Deleted Syllabus of Class 11 CBSE 2025-26 Maths

Several topics from the 13 chapters of Class 11 Maths are removed. From Sets the Difference between sets, the complement of a set and Properties of Complement is deleted. 

Similarly, various topics have been omitted from the Relations and Functions, Trigonometric Functions, Principle of Mathematical Induction, Complex Numbers and Quadratic Equations, Permutations and Combinations, Binomial Theorem, Sequence and Series, Straight Lines, Conic Sections, Mathematical Reasoning, Statistics, Probability.

A detailed overview of the deleted syllabus of Class 11 Maths CBSE is given here in the table.

Chapter No.

Chapter Name

Deleted Topics

Unit I: Sets and Functions 

1

Sets

Power set

2

Relations & Functions

No Change

3

Trigonometric Functions 

General solution of trigonometric equations of the type siny = sina, cosy = cosa and tany = tana.  

Unit II: Algebra 

4

Principle of Mathematical Induction 

Complete Chapter

5

Complex Numbers and Quadratic Equations 

Polar representation of complex numbers.Statement of Fundamental Theorem of Algebra, solution of quadratic equations (with real coefficients) in the complex number system. Square root of a complex number. 

6

Linear Inequalities

Graphical solution of linear inequalities in two variables.Graphical method of finding a solution of system of linear inequalities in two variables. 

7

Permutations and Combinations 

No Change

8

Binomial Theorem

General and middle term in binomial expansion

9

Sequence and Series

Arithmetic Progression, Sum to n terms of Special Series

Unit-III: Coordinate Geometry

10

Straight Lines

Intercept normal form. General equation of a

line.Equation of family of lines passing through the point of intersection of two lines.

11

Conic Sections

No Change

12

Introduction to Three-dimensional Geometry

Section Formula

Unit-IV: Calculus 

13

Limits and Derivatives 

No Change

Unit-V: Mathematical Reasoning

14

Mathematical Reasoning 

Complete Chapter

Unit-VI: Statistics and Probability 

15

Statistics 

Analysis of frequency distributions with equal means but different variances.  

16

Probability 

Random experiments; outcomes, sample spaces (set representation).

CBSE Class 11 Maths List of Rationalised Content 2025-26

With the change in the CBSE syllabus, NCERT also follows the update and introduces the same in its books. This ensure students don’t grab unnecessary knowledge. Below are the topics, examples, and questions that have been removed from the 2025-26 NCERT Class 11 Maths textbook.

Chapter

Deleted/Dropped Topics

Chapter 1: Sets

1.7 Power Set, Exercise 1.3 Ques. 5

1.12 Practical Problems on

Union and Intersection of Two Sets

Exercise 1.6

Examples 31–34 and Ques.

6–7 (Miscellaneous Exercise) Ques. 13–16 (Miscellaneous Exercise), Last Point in the

Summary on the Page Last Point in the Summary

Chapter 3: Trigonometric Functions

3.5 Trigonometric Equations (up to Exercise 3.4)

Last five points in the Summary

3.6 Proofs and Simple Applications of Sine and Cosine Formulae

Chapter 4: Principle of Mathematical Induction

Full Chapter

Chapter 5: Complex Number

5.5.1 Polar Representation of a Complex Number

5.6 Quadratic Equation Example 11 and Exercise

5.3 Examples 13, 15, 16 Ques. 5–8, 9 and 13

(Miscellaneous Exercise) Last three points in the Summary

5.7 Square-root of a Complex Number

Chapter 6: Linear Inequalities 

6.4 Graphical Solution of Linear Inequalities in Two Variables

6.5 Solution of System of Linear Inequalities in Two Variables 

Last three points in the Summary

Chapter 8: Binomial Theorem 

8.3 General Middle Terms Example 17 and Ques.

1–3, and 8 (Miscellaneous Exercise)

Last two points in the Summary

Chapter 9: Sequences and Series 

9.4 Arithmetic Progression (A.P.) (up to Exercise 9.2)

9.7 Sum to n terms of Special Series

Examples 21, 22 and 24

Ques. 1–6, 12, 15, 16, 20, 23–26 (Miscellaneous Exercise)

Point 3 and 4 in the Summary

Chapter 10: Straight Lines

10.2.4 Collinearity of Three Points (Examples 4–5 and Ques. 8, 13–14 in Exercise 10.1)

10.3.6 Normal Forms Ques. 8 in Exercise 10.2

10.4 General Equation of a Line

Ques. 3 in Exercise 10.3

Ques. 2 (Miscellaneous

Exercise) Fourth Last Point in the Summary

10.6 Equation of Family of Lines Passing Through the Points of Intersection of Two Lines

10.7 Shifting of Origin

Chapter 11: Conic Sections

11.5.2 Special Cases of an Ellipse 

Chapter 12: Introduction to Three Dimensional Geometry

12.5 Section Formula Exercise 12.3 

Ques. 4 and 5 (Miscellaneous Exercise), 

Last Three Points in the Summary

Chapter 14: Mathematical Reasoning 

Full Chapter

Chapter 15: Statistics 

15.6 Analysis of Frequency Distribution 

Ques. 6 (Miscellaneous Exercise) and last point in the Summary) 

Chapter 16: Probability

16.1 Introduction 

16.2 Random Experiment First Two Points in the Summary

Deleted Syllabus of Class 11 Chemistry 2025-26

Some Basic Concepts of Chemistry, Structure of Atoms, Classification of Elements and Periodicity in Properties, States of Matter, Chemical Thermodynamics, Equilibrium, Redox Reactions, Hydrogen, s-Block Elements, Some p-Block Elements, Hydrocarbons, Environmental Chemistry are the core Chemistry lessons from which various topics have been removed.

Unit Number Chapter Name Deleted Topics Added Topics
I Some Basic Concepts of Chemistry - -
II Structure of Atom - Discovery of Electron, Proton, and Neutron, atomic number, isotopes, and isobars. Thomson's model and its limitations. Rutherford's model and its limitations.
III Classification of Elements and Periodicity in Properties - Significance of classification, a brief history of the development of the periodic table
IV Chemical Bonding and Molecular Structure - -
V Chemical Thermodynamics - -
VI Equilibrium - -
VII Redox Reactions - -
VIII Organic Chemistry: Some Basic Principles and Techniques - -
IX Hydrocarbons - -

CBSE Class 11 Chemistry List of Rationalised Content 2025-26

On the other hand, some traditional units have been completely removed from the syllabus. It is essential to be aware of these changes to effectively prepare for your Chemistry studies. To view the complete list of topics deleted from the latest Chemistry NCERT Book of Class 11 CBSE, check the table below, which also includes the names of the units:

Units/Chapters Deleted Topics Topics covered in Deleted Units
Chemistry - Part I    
  • Unit V: States of Matter: Gases and Liquids
Complete Chapter Three states of matter, intermolecular interactions, types of bonding, melting and boiling points, role of gas laws in elucidating the concept of the molecule, Boyle's law, Charles law, Gay Lussac's law, Avogadro's law, ideal behaviour, empirical derivation of gas equation, Avogadro's number, ideal gas equation. Deviation from ideal behaviour, liquefaction of gases, critical temperature, kinetic energy and molecular speeds (elementary idea) Liquid State: vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations) 
Chemistry—Part II    
  • Unit IX: Hydrogen 
Complete Chapter Position of hydrogen in periodic table, occurrence, isotopes, preparation, properties and uses of hydrogen, hydrides-ionic covalent and interstitial; physical and chemical properties of water, heavy water, hydrogen peroxide - preparation, reactions and structure and use; hydrogen as a fuel.
  • Unit X: s-Block Elements
Complete Chapter Group 1 and Group 2 Elements General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the variation of properties (such as ionization enthalpy, atomic and ionic radii), trends in chemical reactivity with oxygen, water, hydrogen and halogens, uses. Preparation and Properties of Some Important Compounds: Sodium Carbonate, Sodium Chloride, Sodium Hydroxide and Sodium Hydrogencarbonate, Biological importance of Sodium and Potassium. Calcium Oxide and Calcium Carbonate and their industrial uses, biological importance of Magnesium and Calcium.
  • Unit XI: Some p-Block Elements
Complete Chapter General Introduction to p -Block Elements Group 13 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous properties of first element of the group, Boron - physical and chemical properties, some important compounds, Borax, Boric acid, Boron Hydrides, Aluminium: Reactions with acids and alkalies, uses. Group 14 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first elements. Carbon-catenation, allotropic forms, physical and chemical properties; uses of some important compounds: oxides. Important compounds of Silicon and a few uses: Silicon Tetrachloride, Silicones, Silicates and Zeolites, their uses. 
  • Unit XIV: Environmental Chemistry
Complete Chapter Environmental pollution - air, water and soil pollution, chemical reactions in atmosphere, smog, major atmospheric pollutants, acid rain, ozone and its reactions, effects of depletion of ozone layer, greenhouse effect and global warming- pollution due to industrial wastes, green chemistry as an alternative tool for reducing pollution, strategies for control of environmental pollution.

We hope that this overview of the updated CBSE Class 11 Chemistry syllabus for 2025-26 has provided you with clarity and a better understanding of the changes. By staying updated with CBSE-related topics, you can continue to receive valuable information from selfstudys. With this knowledge, you can now set your sights on achieving higher grades in your Chemistry studies.

Deleted Syllabus of Class 11 Biology 2025-26

There are 4 units in CBSE Class 11 Biology from which the topics are deleted. Unit I: Diversity of Living Organisms, Unit-II Structural Organization in Animals and Plants, Unit-IV Plant Physiology, Unit-V Human Physiology.

In Unit 1, the topics are removed from Chapter 1 The Living World, and Chapter 3 Plant Kingdom. From Unit 2 the topics are deleted from Chapter 5, Chapter 6, and Chapter 7. From Unit 4 Plant Physiology, the chapters 11, 12 and 15. In Chapter 5 Human Physiology, the topics are removed from chapter 16, chapter 20, and chapter 21. 

A complete list of topics that are deleted from the CBSE Class 11 Biology Syllabus 2025-26 is listed below in a table.

Chapter Number Chapter Name Eliminated/Deleted Topics Topics Added
Unit 1: Diversity of Living Organisms
1 The living world tools for study of taxonomy museums, zoological parks, herbaria, botanical gardens. -
2 Biological Classification No change -
3 Plant Kingdom Topics excluded – Angiosperms, Plant Life Cycle and Alternation of Generations -
4 Animal Kingdom No Change -
Unit 2: Structural Organization in Animals and Plants
5 Morphology of Flowering Plants  Modifications of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit and seed  Description of family Solanaceae
6 Anatomy of Flowering Plants  - tissue systems in dicots and monocots.
7 Structural Organisation in Animals Morphology, anatomy and functions of different systems of an insect (cockroach) Morphology, anatomy and functions of different systems of a frog
Unit 3: Cell: Structure and Function
8 Cell-The Unit of Life No Change -
9 Biomolecules
  • Nature of Bond Linking Monomers in a Polymer
  • Dynamic State of Body Constituents—Concept of Metabolism
  • Metabolic Basis for Living
-
10 Cell Cycle and Cell Division No Change -
Unit 4: Plant Physiology
11 Transport in Plants  Complete Chapter Revomed -
12 Mineral Nutrition  Complete Chapter Revomed -
13 Photosynthesis in Higher Plants No Change -
14 Respiration in Plants No Change -
15 Plant - Growth and Development  seed dormancy; vernalisation; photoperiodism. -
Unit 5: Human Physiology
16 Digestion and Absorption Complete Chapter Removed -
17 Breathing and Exchange of Gases No Change -
18 Body Fluids and Circulation No Change -
19 Excretory Products and their Elimination No Change -
20 Locomotion and Movement No Change -
21 Neural Control and Coordination reflex action; sensory perception; sense organs; Elementary structure and functions of eye and ear -
22 Chemical Coordination and Integration No Change -

 CBSE Class 11 Biology Rationalised Content

Get here the complete list of chapter-wise topics deleted from the latest Biology NCERT textbook of Class 11.

Chapter 1: The Living World
  • 1.1 What is ‘Living’?
  • 1.4 Taxonomical Aids
  • 1.4.2 Botanical Gardens
  • 1.4.3 Museum
  • 1.4.4 Zoological Parks
  • Summary (Para 2); Question number 10
Chapter 3: Plant Kingdom
  • 3.5 Angiosperms
  • 3.6 Plant Life Cycles and Alternation of Generations
  • Summary (Para 5 and 6); Question number 10
Chapter 5: Morphology of Flowering Plants
  • 5.1.2 Modifications of Root
  • 5.2.1 Modifications of Stem
  • 5.3.4 Modifications of Leaves
  • 5.9.1 Fabaceae
  • 5.9.3 Liliaceae Question number 1, 2, 6 (b), 8, 9, 12, 14
Chapter 6: Anatomy of Flowering Plants
  • 6.1 The Tissues
  • 6.1.1 Meristematic Tissues
  • 6.1.2.1 Simple Tissues (Para 2 & 3)
  • 6.1.2.2 Complex Tissues (Para 4)
  • 6.4 Secondary Growth
  • 6.4.1 Vascular Cambium
  • 6.4.1.2 Activity of the Cambial Ring
  • 6.4.1.3 Spring Wood and Autumn Wood
  • 6.4.1.4 Heartwood and Sapwood
  • 6.4.2 Cork Cambium
  • 6.4.3 Secondary Growth in Roots; Question numbers 1, 2, 3, 7, 11
Chapter 7: Structural Organisation in Animals
  • 7.1 Animal Tissues
  • 7.1.1 Epithelial Tissue
  • 7.1.2 Connective Tissue
  • 7.1.3 Muscle Tissue
  • 7.1.4 Neural Tissue
  • 7.3 Earthworm
  • 7.3.1 Morphology
  • 7.3.2 Anatomy
  • 7.4 Cockroach
  • 7.4.1 Morphology
  • 7.4.2 Anatomy
  • Summary (Para 2, 3, 4); Question number 1 to 12 and 14 (c)
Chapter 9: Biomolecules
  • 9.8 Nature of Bond Linking Monomers in a Polymer
  • 9.9 Dynamic State of Body Constituents—Concept of Metabolism
  • 9.10 Metabolic Basis for Living
  • 9.11 The Living State; Question number  2, 3, 5, 8, 10
Chapter 11: Transport in Plants
Complete Chapter Removed
Chapter 12: Mineral Nutrition
Complete Chapter Removed
Chapter 15: Plant Growth and Development
  • 15.5 Photoperiodism
  • 15.6 Vernalisation
  • 15.7 Seed Dormancy; Question number 3, 5, 8, 10
Chapter 16: Digestion and Absorption
Complete Chapter Removed
Chapter 21: Neural Control and Coordination
  • 21.5 Reflex Action and Reflex Arc
  • 21.6 Sensory Reception and Processing
  • 21.6.1 Eye
  • 21.6.1.1 Parts of an Eye
  • 21.6.1.2 Mechanism of Vision
  • 21.6.2 The Ear
  • 21.6.2.1 Mechanism of Hearing
  • Summary (para 3 and 4) Question number 1 (b, c), 2 (c), 4 (c, d), 5 (e, f, g, h), 6 (b, c), 7, 8 (b, c), 9 (c), 10 (a), 11, 12 (c, d)

Deleted Syllabus of CBSE Class 11 Business Studies

Various topics from Part A: Foundation of Business and Part B: Finance and Trade are deleted for the 2025-26 CBSE Class 11 Business Studies curriculum. A list of Business studies chapters from which the topics are deleted is given below:

Unit No.

Unit Name

Deleted Topics

Part A: Foundation of Business  

1

Evolution and Fundamentals of Business 

-

2

Forms of Business Organisations 

-

3

Public, Private and Global Enterprises

-

4

Business Services 

-

5

Emerging Modes of Business

Business Process Outsourcing (BPO): Concept, need and scope

6

Social Responsibility of Business and Business Ethics

-

Part B: Finance and Trade

7

Sources of Business Finance

Global Depository Receipt (GDR), American Depository Receipt (ADR) and International Depository Receipt (IDR) – concept 

8

Small Business 

-

9

Internal Trade 

-

10

International Business

-

 CBSE Class 11 Business Studies Rationalised Content

Get here the complete list of chapter-wise topics deleted from the latest Business Studies NCERT textbook of Class 11.

Chapter

Page Number

Deleted Topics

Chapter 3: Private, Public and Global Enterprises

72–76 

80

Joint Ventures

Chapter 4: Business Services

107–109 

113–114

Warehousing and Its Functions

Chapter 5: Emerging Modes of Business

134–143

Outsourcing—Concept Need and Scope 

Chapter 8: Sources of Business Finance

202–204 

208–210

Discounting of Bill of Exchange; ADR and GDR 

Chapter 11: International Business

292–307

Complexities involved in International Business, Foreign Trade Promotion: Organisational Support and Incentives; Nature and Importance of Export Processing Zone

Deleted Syllabus of CBSE Class 11 Accountancy

Part A: Financial Accounting – I, Part B: Financial Accounting – II. Both are part of CBSE Class 11 Accountancy and these are covered with several chapters and topics. However, as per the revised CBSE syllabus, many topics are not necessary to cover so they are deleted from the latest syllabus of CBSE Class 11 Accountancy. A List of deleted syllabi of Class 11 Accountancy is given below.

Deleted Syllabus of CBSE Class 11 Economics

Economics is a subject which is studied by Comerence streams and Arts stream students. Thus, to know what topics are deleted from the CBSE Class 11 Economics Syllabus here is a list of topics. 

Deleted Syllabus of CBSE Class 11 Computer Science

From both: Unit 1 and Unit 2 many topics are removed. These topics are removed: Encoding Schemes: UTF8, UTF32 as well as the Concept of cloud computing and cloud services (SaaS, IaaS, PaaS), cloud (public/private), and Blockchain technology. 

From unit 2 Computational Thinking and Programming – 1, the following topics are deleted: Decomposition – concept, the need for decomposing a problem, and examples of problem-solving using decomposition. And Sorting algorithm: bubble and insertion sort; count the number of operations while sorting.

Deleted Syllabus of CBSE Class 11 Geography

The topics that are deleted from CBSE Class 11 Geography are from Book I – Fundamentals of Physical Geography, Book II – India Physical Environment, and Practical Geography Part I. Various units and their chapters are available in Class 11 Geography from which the topics are deleted for the 2025-26 academic session.

Deleted Syllabus of CBSE Class 11 Political Science

In CBSE Class 11 Political Science, the chapter Citizenship, Nationalism, Secularism, and Federalism are completely deleted. Apart from these, there are certain topics that are deleted from Book I: Indian Constitution at Work. Go through the below-given table to know about certain topics.

Deleted Syllabus of CBSE Class 11 History

Early Societies: Theme-1, Nomadic Empires: Theme-5, and Confrontation of Cultures: Theme-8 are completely deleted portions of CBSE Class 11 History 2025-26.

Deleted Syllabus of CBSE Class 11 Psychology

Along with Experiment & Project the topics from chapters 5, 6, 7, 8, and 9 are deleted from the CBSE Class 11 Psychology Syllabus 2025-26.

CBSE Class 11 Psychology Deleted Syllabus 2025-26

Unit No.

Unit number

Deleted Topics

Added Topics

1

What is Psychology?

  • Themes of Research and Applications
  •  Psychologists at Work

-

2

Methods of Enquiry in Psychology 

No Change

-

3

The Bases of Human Behaviour

Complete Unit Removed

-

4

Human Development 

No Change

-

5

Sensory, Attentional and Perceptual Processes

  • Visual Sensation
  • Auditory Sensation

Functional limitation of sense organs

6

Learning

  • Concept Learning
  • Transfer of Learning
  • The Learner : Learning Styles
  • Applications of Learning Principles

-

7

Human Memory

  • Knowledge Representation and Organisation in Memory
  • Memory as a Constructive Process

-

8

Thinking

Developing Creative Thinking

  • Barriers to Creative Thinking
  • Strategies for Creative Thinking

-

9

Motivation and Emotion

  • Physiological Bases of Emotions
  • Cognitive Bases of Emotions
  • Cultural Bases of Emotions

-

CBSE Class 11 Psychology List of Rationalised Content 2025-26

Chapter

Page No.

Dropped Topics/Chapters

Chapter 1: What is Psychology?

13–15

18–19

Themes of Research and Applications Psychologists at Work

Chapter 3: The Bases of Human Behaviour

43–63

Full Chapter

Chapter 5: Sensory, Attentional and Perceptual Processes

87–93

Sense Modalities (Auditory and Visual Sensation

Chapter 6: Learning

120–121

122–123

125–126

127–128

Concept Learning

Transfer of Learning

The Learner: Learning Styles

Applications of Learning Principles 

Chapter 7: Human Memory

139–142

Knowledge Representation and Organisation in Memory

Memory as a Constructive Process

Chapter 8: Thinking

162

Reduction in Strategies for Creative Thinking

Chapter 9: Motivation and Emotion

172–173

175–176

181–182

Reduction in Biological Motives

Reduction in Maslow’sHierarchy of Needs

(Frustration and Conflict

Reduction in Expression of Emotions

Deleted Syllabus of CBSE Class 11 Biotechnology

Various topics of CBSE Class 11 Biotechnology are deleted from units 1, 2, 3, and 4. Along with this practicals are deleted too.

Deleted Syllabus for CBSE Class 11 Biotechnology 2025-26

CBSE has been removing topics from their subject syllabi in line with the NEP 2020, which emphasizes conceptual understanding over rote learning and exam-oriented preparation. Several topics have been deleted from the CBSE Class 11 Biotechnology syllabus to make it more concise. Refer to the table below to find out which topics have been removed.

Chapter  Deleted Topics
Unit-I Biotechnology: An overview
Chapter 1: Biotechnology: An Overview Public Perception of Biotechnology, Biotechnology in India and Global Trends
Unit-II Molecules of Life 
Chapter 1: Biomolecules: Building Blocks Biochemical Transformations
Chapter 2: Macromolecules: Structure & Function -
Unit-III Genetics and Molecular Biology
Chapter 1: Concepts of Genetics Gene Interaction, Sex-Linked Inheritance, Extra nuclear Inheritance, Quantitative Inheritance, Genes at the Population Level
Chapter 2: Genes and Genomes: Structure and Function Regulation of Gene Expression, DNA Repair, Genome Organization
Unit IV: Cells and Organisms
Chapter 1: The Basic Unit of Life Tissues and Organs, Stem Cells, Biodiversity
Chapter 2: Cell Growth and Development Gaseous Exchange, Internal Transport, Maintaining the Internal Environment, In Vitro Fertilization, Animal and Plant Development, Programmed Cell Death, Defense Mechanisms in Plants

CBSE Class 11 Biotechnology List of Rationalised Content 2025-26

As per the released list of rationalised content, CBSE hasn’t changed anything this year. The topics and chapters remain the same.

No Change

Deleted Syllabus of CBSE Class 11 Home Science

The following topics are parts of the deleted Syllabus of CBSE Class 11 Home Science:

  • Unit II: Understanding Oneself: Adolescence – Effective Communication Skills
  • Unit III: Understanding Family, community and Society – Relationships and Interactions with “Significant Others”
  • Unit IV: Childhood – Care and Education
  • Unit V: Adulthood – Perspective in Communication, Individual Responsibilities and Rights 

Deleted Syllabus of CBSE Class 11 Sociology

Doing Sociology: Research Methods from Book Introducing Sociology has been removed. As well as, Social Structure, Stratification, and Social Processes in Society; Environment and Society from the Book Understanding Society has been removed.

Unit No. Unit Name Deleted Topics
1 Sociology, Society and its Relationship with other Social Sciences No Change
2 Terms, Concepts and their use in Sociology No Change
3 Understanding Social Institutions No Change
4 Culture and Socialization No Change
5 Doing Sociology: Research Methods  Whole Unit
6 Social Structure, Stratification and Social Processes In Society Whole Unit
7 Social Change and Social Order in Rural and Urban Society  No Change
8 Environment and Society  Whole Unit
9 Introducing Western Sociologists  No Change
10 Indian Sociologists No Change

CBSE Class 11 Sociology List of Rationalised Content 2025-26

The NCERT textbooks are idle copies to follow the CBSE syllabus. As per the list of rationalised content released by NCERT there have been no deletion done to the Sociology part of Class 11. Thus, students can continue to refer to the previous textbooks while ignoring the dropped units.

No Change

Why CBSE Board Decided to Continue Using the Deleted Syllabus of Class 11 CBSE 2025-26?

There are several reasons why the CBSE Board has decided to continue using the deleted syllabus of Class 11 CBSE 2025-26.

  • Overlapping with similar content is included in other subject areas in the same class.
  • Similar content is included in the lower or higher class in the same subject.
  • Difficulty Level.
  • Content is easily accessible to students without much teacher intervention and can be learned by children through self-learning or peer learning.
  • Content, which is irrelevant in the present context.

How to Download Deleted Syllabus of Class 11 CBSE 2025-26 PDF?

To download deleted Syllabus of Class 11 CBSE 2025-26 PDF use the steps mentioned below:

  • Visit Selfstudys.com website using your Smartphone Internet browser
  • Find the navigation button and click on that

Download Deleted Syllabus of Class 11 CBSE 2025-26 PDF

  • It will open a list of categories, choose CBSE
  • Again, from the available options, Click on CBSE Syllabus

Deleted Syllabus of Class 11 CBSE 2023-24, Deleted Syllabus of Class 11 CBSE, Deleted Syllabus of Class 11 CBSE 2023-24 PDF, English Deleted Syllabus Of Class 11 CBSE 2023-24, Deleted Syllabus of Class 11 CBSE 2023-24 Physics, Deleted Syllabus of Class 11 CBSE 2023-24 Maths, English Deleted Syllabus of Class 11 CBSE 2023-24, How to Download Deleted Syllabus of Class 11 CBSE 2023-24 

  • It will open a new page, choose your class 11 from the given options

Deleted Syllabus of Class 11 CBSE 2023-24, Deleted Syllabus of Class 11 CBSE, Deleted Syllabus of Class 11 CBSE 2023-24 PDF, English Deleted Syllabus Of Class 11 CBSE 2023-24, Deleted Syllabus of Class 11 CBSE 2023-24 Physics, Deleted Syllabus of Class 11 CBSE 2023-24 Maths, English Deleted Syllabus of Class 11 CBSE 2023-24, How to Download Deleted Syllabus of Class 11 CBSE 2023-24 

  • The page containing links to download PDF files of Deleted Syllabus of Class 11 CBSE 2025-26 will be shown. Browse the subject and then download the PDF file.

How to Prepare for the Class 11 Exam Using Deleted Syllabus of Class 11 CBSE 2025-26?

Due to the deleted syllabus of class 11, exam preparation became very easy for students. Here are a few tips on how to use deleted syllabus of class 11 CBSE 2025-26 for exam preparation:

  • Eliminate Lessons No Longer Exist in the Syllabus: If you are using the old NCERT Textbooks then probably you will come across chapters which have been deleted for the ongoing academic sessions. Therefore, refer to the Deleted Syllabus of Class 11 CBSE 2025-26 to make sure not to read those lessons which have been completely removed from the Class 11 Syllabus. 
  • Pay Attention to Topics Given in the CBSE Class 11 Syllabus: Apart from paying attention to what not to study, it is also important to pay attention to what to study. Go through the latest CBSE Class 11 Syllabus 2025-26 and find out the topics you must study to score and excel in the upcoming annual examination.
  • Refer Only Updated NCERT Class 11 Books: More than advised it is an alarming point that, students should not refer to their old NCERT Class 11 Books for any subject as those books haven’t contained the updated information.
  • Read, Revise and Repeat: Along with keeping in mind all the above points, to prepare for the class 11 annual examination, students should read, revise and repeat the same time and again till the final exam date.
FAQs
Need answers? Find them here...

Yes, the CBSE has reduced the class 11 syllabus 2025-26 by 30%. Meaning the same syllabus of 2024-25 is being used for the ongoing 2025-26 academic session.

Various topics from Unit I: Diversity of Living Organisms, Unit II Structural Organization in Animals and Plants, Unit-IV Plant Physiology, and Unit V Human Physiology are deleted from Class 11 Biology.

Selfstudys website along with the official website of the CBSE board has links to download Deleted Syllabus of Class 11 CBSE 2025-26.

Various topics from sets, Relations and Functions, Trigonometric Functions, Principle of Mathematical Induction, Complex Numbers and Quadratic Equations, Permutations and Combinations, Binomial Theorem, Sequence & Series, Straight Lines, Conic Sections, Mathematical Reasoning, Statistics, and Probability are deleted in class 11 Syllabus 2025-26.

The deleted topics of Class 11 Physics are Heat, Heat engine, and refrigerator, temperature, Heat transfer-conduction, convection and radiation.
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