There are quite a few chapters deleted from some Class 10 subjects and NCERT has now made them permanently clear for students. Know more about the latest NCERT update below.
- NCERT has just now uploaded PDFs for all Class 10 subjects with their deleted chapters, topics and subtopics as per the CBSE rationalised syllabus for 2025 exams.
- This reduced syllabus to be followed from now 2022 session seems to be permanent and could be followed in competitive exams like NEET and CUET in the coming year.
NEP 2020 provides instructions to take load off of students so they can indulge themselves in competency-based learning instead of rote memorisation. This is why the syllabus has been reduced multiple times in the past couple years.
So now finally NCERT has updated all these deleted chapters and topics for Class 9 to 12 textbooks so students may not follow them for board preparation.
NCERT Class 9 Rationalised Topics PDF
Below, we have provided all the reduced topics for all subjects in tabular form.
1. Class 10 English L&L (First Flight) Reduced Chapters/ Topics
| Chapter |
Page No. |
Dropped Chapters/ Topics |
| 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 |
2. Class 10 English L&L (Footprints Without Feet) Reduced Chapters/ Topics
| Chapter |
Page No. |
Dropped Chapters/ Topics |
| The Hack Driver |
47-53 |
Full chapter |
3. Class 10 Hindi A (Kritika) Reduced Chapters/ Topics
| अध्याय का नाम |
पृष्ठ |
हटाया गया विषय/ अध्याय |
| जॉर्ज पंचम की नाक |
10-16 |
पूरा अध्याय |
| एही ठैयाँ झुलनी हेरानी हो रामा! (शिवप्रसाद मिश्र 'रूद्र') |
31-41 |
पूरा अध्याय |
4. Class 10 Hindi B (Sparsh) Reduced Chapters/ Topics
| अध्याय का नाम |
पृष्ठ |
हटाया गया विषय/ अध्याय |
| बिहारी |
13-17 |
पूरा अध्याय |
| महादेवी वर्मा |
31-35 |
पूरा अध्याय |
| अंतोन चेखव |
99-108 |
पूरा अध्याय |
5. Class 10 Mathematics Reduced Chapters/ Topics
| Chapter |
Page No. |
Dropped Chapters/ Topics |
| Chapter 1 - Real Numbers |
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 equations
3.4.3 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 |
| Chapter 6 -Triangles |
141–144,
144–154 |
6.5 Areas of similar triangles
6.6 Pythagoras theorem |
| Chapter 7 - Coordinate Geometry |
168–172 |
7.4 Area of a triangle |
| Chapter 8 - Introduction to Trigonometry |
187–190
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 |
| Chapter 12 - 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 |
15.1 Introduction
Exercise 15.2 (Optional) |
6. Class 10 Science Reduced Chapters/ Topics
| Chapter |
Page No. |
Dropped Chapters/ Topics |
| 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 |
7. Class 10 Geography Reduced Chapters/ Topics
| Chapter |
Page No. |
Dropped Chapters/ Topics |
| Chapter 1 - Resources and Development |
2-3
11-12 |
Types of Resources, Box information |
| Chapter 2 - Forest and Wildlife Resources |
14-18 |
From the 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 and
output, Impact of globalization on agriculture |
Chapter 6 - Manufacturing
Industries |
64- 66,
68-69
71-73 |
Contribution of agriculture to the national economy, paragraphs
from cotton textiles, Jute textiles, Sugar industry, Iron Steel industry,
Cement industry and Activity, Table 6.1, Fig. 6.5 |
| Appendix |
93, 94 |
Appendix II |
8. Class 10 Democratic Politics- II Reduced Topics/ Chapters
| Chapter |
Page No. |
Dropped Chapters/ Topics |
Chapter 3: Democracy and Diversity
|
29-38 |
Full Chapter |
| Chapter 4: Gender, Religion and Caste |
46-48
49 |
Images on pages 46, 48 and 49
|
Chapter 5: Popular Struggles and Movements
|
57-70 |
Full Chapter |
Chapter 6: Political Parties
|
76 |
Full Chapter |
Chapter 8: Challenges to Democracy
|
101-112 |
Full Chapter |
9. Class 10 Sanskrit Reduced Chapters/ Topics
| अध्याय का नाम |
पृष्ठ |
हटाया गया विषय/ अध्याय |
| व्यायामः सर्वदा पथ्यः |
22-29 |
पूरा अध्याय |
| प्राणेभ्योऽपि प्रियः सुह्रद् |
90-98 |
पूरा अध्याय |
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