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NCERT Rationalised Content for Class 9 Check Deleted Chapters & Topics

NCERT has recently rationalized and reprinted the Class 9 books. Below is the list of rationalized content (deleted chapters/topics) in Class 9 NCERT Books.
authorImageAnanya Gupta7 Apr, 2024
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NCERT Rationalised Content for Class 9 Check Deleted Chapters & Topics

NCERT Rationalised Content for Class 9 Check Deleted Chapters & Topics: The National Council of Educational Research and Training (NCERT) has recently revised all Class 9 textbooks, rationalizing their contents. This rationalization process involved streamlining the content to avoid overlap with similar topics covered in other subjects within the same class, as well as with content covered in lower or higher classes in the same subject.

The difficulty level of the content was assessed, leading to the removal of some significant chapters and topics from the Class 9 NCERT Books. Below, we provide a list of the removed chapters and topics, along with their respective page numbers. For students preparing for the CBSE Class 9 Exam 2024-2025, it is essential to refer to the revised NCERT Books, the download links for which are provided below.

NCERT Books for Class 9 2024-25 Download Subject Wise PDF

Rationalised Content in NCERT Class 9 Maths Book

In the latest revision of the Class 9 Mathematics textbook by the National Council of Educational Research and Training (NCERT), several adjustments have been made to the content to enhance its effectiveness and relevance.

CBSE Class 9 Syllabus 2024-2025

Here are the deleted chapter of Class 9 Maths Book:
Chapter
Page No.
Dropped Topics/Chapter
Chapter 1: Number Systems
15–18
27
1.4 Representing real numbers on the number line
Chapter 2: Polynomials
35–40
50
2.4 Remainder theorem
Chapter 3: Coordinate Geometry
61–65
3.3 Plotting a point in the plane if its coordinates are given
Chapter 4: Linear Equations in Two Variables
70–75
4.4 Graph of linear equations in two variables

Rationalised Content in NCERT Class 9 Social Science Book

The NCERT Class 9 Social Science book has undergone rationalization, resulting in the removal of certain chapters and topics. Here is the list of dropped topics and chapters:
Book Chapter Page No. Dropped Topics/Chapter
India and the Contemporary World-I No Changes - -
Contemporary India-I Chapter 4: Climate 28, 29, 30, 31, 36 Jet streams, western cyclonic disturbances, The Indian Monsoon, the onset of the monsoon and withdrawal and related Figs 4.1, 4.2, 4.3, 4.6
Chapter 5: Natural Vegetation and Wildlife 42–44 Factors affecting the diversity of flora and fauna Fig 5.1 and Table 5.1
Chapter 6: Population 53, 58, 59, 60, 61 Pointers regarding three major questions about population, age composition, sex ratio, literacy rates, occupational structure, health, NPP 2000 and adolescents
Economics No Changes - -
Democratic Politics - I No Changes - -

Rationalised Content in NCERT Class 9 Science Book

The NCERT Class 9 Science book has undergone rationalization, leading to the removal of certain chapters and topics. Here is the list of dropped topics and chapters:
Chapter
Page No.
Dropped Topics/Chapter
Chapter 1: Matter in Our Surroundings
10
Box item titled ‘Plasma and Bose–Einstein Condensate’
Chapter 2: Is Matter Around Us Pure?
19–24
2.3 Separating the components of a mixture
2.3.1 How can we obtain coloured component (dye) from blue/ black ink?
2.3.2 How can we separate cream from milk?
2.3.3 How can we separate a mixture of two immiscible liquids?
2.3.4 How can we separate a mixture of salt and camphor?
2.3.5 Is the dye in black ink a single colour?
2.3.6 How can we separate a mixture of two miscible liquids?
2.3.7 How can we obtain different gases from air ?
2.3.8 How can we obtain pure copper sulphate from an impure sample?
Chapter 3: Atoms and Molecules
40–42
Mole concept

Rationalised Content in NCERT Class 9 English Book

Here is the list of dropped topics and chapters of Class 9 English Book:

Beehive Book

Chapter Page No. Dropped Topics/Chapter
Chapter 7: Packing… 82–93 Full chapter
Chapter 7: Poem ‘The Duck and the Kangaroo’ 94–96 Full chapter
Chapter 9: The Bond of Love 113–124 Full chapter
Chapter 9: ‘The Snake Trying’ 125–127 Full chapter

Moments Book

Chapter Page No. Dropped Topics/Chapter
The Accidental Tourist (A Short Story) 56–61 Full chapter
Weathering the Storm in Ersama 37–43 Full chapter

Words and Expressions - WorkBook

Chapter Page No. Dropped Topics/Chapter
Unit 7 96–110 Full unit

Rationalised Content in NCERT Class 9 Hindi Book

Kshitij Part - I

Kritika Part - I

Sparsh Part - I

Sanchayan Part - I

CBSE Class 9 Maths Syllabus CBSE Class 9 Science Syllabus
CBSE Class 9 Computer Application Syllabus CBSE Class 9 Social Science Syllabus

NCERT Rationalised Content for Class 9 Check Deleted Chapters & Topics FAQs

Why has NCERT rationalized the content of Class 9 books?

NCERT has rationalized the content to eliminate overlapping topics, ensure clarity, and adjust the difficulty level of certain chapters.

How will these changes affect students preparing for the CBSE Class 9 Exam?

Students need to be aware of the deleted chapters and topics to focus their studies effectively and prepare for the exam accordingly.

Where can students find the list of deleted chapters and topics?

The list of deleted chapters and topics, along with their respective page numbers, is provided by NCERT.
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