# NCERT Rationalised Syllabus Class 10: Check Chapters & Topics Deleted from Class 10 Books

NCERT Rationalised Syllabus Class 10 (2023-24): NCERT Books for Class 10 have been revised and reprinted. We have provided here the list of chapters/topics removed from the Class 10 NCERT Books. Also, check the link to download revised NCERT Books for 2023-24 here.

List of Rationalised Content in Textbooks for Class 10

NCERT Class 10  Deleted Syllabus 2023-24: The National Council of Educational Research and Training (NCERT) revised the class 10 books as a part of rationalisation exercise to compensate for the academic loss during Covid-19 and remove overlapping of similar content. We have provided here the list of the chapters and topics that have been removed from the Class 10 NCERT Books of major subjects like Maths, Science, Social Science, English and Hindi. We have also provided below the links to download the new edition of the revised NCERT Books that must be followed for the 2023-24 board exam preparations. Students must be aware of the deleted parts of the books and read from the revised books to prepare the right stuff for their upcoming CBSE Board Exams.

Check below the list of rationalised content in NCERT  Class 10 Maths Book:

 Chapter Page No. Dropped Topics/Chapters Chapter 1: Real Number 2–7 15–18 1.2 Euclid’s division lemma 1.5 Revisiting rational numbers and their decimal expansions Chapter 2: Polynomials 33–37 2.4 Division algorithm for polynomials Chapter 3:Pair of Linear Equations in Two Variables 39–46 57–69 3.2 Pair of linear equations in two variables 3.3 Graphical method of solution of a pair of linear equations3. 4.3 Cross-multiplication method 3.5 equation reducible to a pair of linear equations in two variables Chapter 4: Quadratic Equations 76–88 91–92 4.4 Solution of a quadratic equation by completing the squares Chapter6: Triangles 141–144 144–154 6.5 Areas of similar triangles 6.6 Pythagoras theorem Chapter7: Coordinate Geometry 168–172 7.4 Area of a triangle Chapter8: Introduction to Trigonometry 87–190 193–194 8.4 Trigonometric ratios of complementary  angles Chapter 9: Some Applications of Trigonometry 195–196 205 9.1 Introduction Chapter 11: Construction 216–222 11.1 Introduction 11.2 Division of a line segment 11.3 Construction of tangents to a circle 11.4 Summary Chapter12: Areas Related to Circles 223 224–226 231–238 12.1 Introduction 12.2 Perimeter and area of a circle- A review 12.4 Areas of combinations of plane figures Chapter 13: Surface Areas and Volumes 248–252 252–259 13.4 Conversion of solid from one shape to another 13.5 Frustum of a cone Chapter 14: Statistics 289–294 14.5 Graphical representation of cumulative frequency distribution Chapter 15: Probability 295–296 311–312 15.1 Introduction Exercise 15.2 (Optional)

Check below the list of rationalised content in NCERT  Class 10 Science Book:

 Chapter Name Page No. Dropped Topics/Chapter Chapter 5: Periodic Classification of Elements 79–92 Full chapter Chapter: 9 Heredity and Evolution (Chapter name replaced with: Heredity) 147-158 Box item: Charles Robert Darwin Box item: Origin of life on earth Box item: How do fossils form layer by layer Box item: Molecular phylogeny 9.3 Evolution 9.3.1 An Illustration 9.3.2 Acquired and Inherited Traits 9.4 Speciation 9.5 Evolution and Classification 9.5.1 Tracing Evolutionary Relationships 9.5.2 Fossils 9.5.3 Evolution by Stages 9.6 Evolution Should Not Be Equated With ‘Progress’ 9.6.1 Human Evolution Chapter: 11 The Human Eye and the Colourful World 188, 189, 196 and 197 Two box items: • Damage to or malfunction of any part of the visual system... • Why do we have two eyes for vision and not just one? 11.6.3 Colour of the Sun at Sunrise and Sunset Chapter: 12 Electricity 201 Box item: ‘Flow’ of charges inside a wire Chapter: 13 Magnetic Effects of Electric Current 232–237 Box item: Michael Faraday 3.4 Electric Motor 3.5 Electromagnetic Induction 3.6 Electric Generator Chapter: 14 Sources of Energy 242–255 Full chapter Chapter: 16 Sustainable Management of Natural Resources 266–280 Full chapter

Check below the list of rationalised content in NCERT  Class 10 Social Science Book:

India and the Contemporary World-II

 No Changes

Contemporary India – II

 Chapter Page No. Dropped Topics/Chapters Chapter 1 - Resources and Development 2–3 11–12 Types of Resources. Box information Chapter 2 - Forest and Wildlife 14–18 From second paragraph of ‘Flora and Fauna in India’ to ‘The Himalayan Yew in Trouble’, box information, Figs 2.1 and 2.2 Chapter 4 - Agriculture 43–46 Contribution of agriculture to the national economy, employment and output, Impact of globalisation on agriculture Chapter 6 -Manufacturing Industries 64–66 68–69 71–73 Contribution of industry to national economy, paragraphs from cotton textiles (India exports... fibre industry), Jute textiles (Challenges... products), Sugar industry (Major... baggase), Iron Steel industry (In 2019... consumer of steel; Though... and discuss), Cement industry (Improvement... industry) and Activity (pg. 72), Table 6.1, Figs 6.1, 6.2 and 6.5 Appendix 93–94 Appendix II

Understanding Economic Development

 No Changes

Democratic Politics – II

 Chapter Page No. Dropped Topics/Chapters Chapter 3 - Democracy and Diversity 29–38 Full Chapter Chapter 4 - Gender, Religion and Caste 46–48 49 Images on page 46, 48 and 49 Chapter 5 - Popular Struggles and Movements 57–70 Full Chapter Chapter 6: Political Parties 76 Full page Chapter 8 - Challenges to Democracy 101–112 Full Chapter

Check below the list of rationalised content in NCERT  Class 10 English Book:

First Flight Book - Class 10 English Book

 Chapter Page No. Dropped Topics/Chapter Chapter 5: The Hundred Dresses I 63–72 Full chapter Chapter 6: The Hundred Dresses II 73–84 Full chapter Chapter 6: Poem, Animals 83–85 Full chapter

Footprints without Feet - Class 10 English Book

 Chapter Page No. Dropped Topics/Chapter The Hack Driver 47–53 Full chapter

Words and Expressions II - Class 10 English Book

 Chapter Page No. Dropped Topics/Chapter Unit 5 57–70 Full unit Unit 6 71–83 Full unit

Check below the list of rationalised content in NCERT  Class 10 Hindi Book:

## REVISED NCERT Books for Class 10 (2023-24)

To get the new editions of the Class 10 NCERT Books that have been reprinted and published exclusively for the current academic session, go to the following link:

 Important links for CBSE Class 10 Board Exam 2024 Preparation CBSE Class 10 Syllabus 2023-24 CBSE Class 10 Sample Paper 2023-24 with Marking Scheme CBSE Class 10 Previous Year Question Papers with Solutions CBSE Class 10 Important Questions and Answers ALL subjects CBSE Class 10 Practice Papers: All Subjects

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