The Central Board of Secondary Education (CBSE) continuously enhances its curriculum to align with evolving educational standards and embrace advancements in various subjects. In a recent development, CBSE has significantly reduced the syllabus for Class 9th by 30%. This reduction aims to alleviate the academic burden on students, allowing them to focus more effectively.
To ensure success in their studies, it is crucial for Class 9 students to be aware of the chapters and topics that have been eliminated from the latest CBSE Science syllabus. This article provides a comprehensive list of the deleted chapters and their corresponding topics, specifically for the academic year 2023-24. It is important for students to avoid preparing content that is no longer part of their syllabus.
By familiarizing themselves with the CBSE deleted syllabus for Class 9 Science, students can appropriately tailor their preparations for periodic tests and the final CBSE Class 9 Science Exam in 2023-24. This knowledge will enable them to concentrate on the relevant content, maximizing their chances of achieving favorable results.
Stay updated with the revised CBSE curriculum and optimize your study approach for Class 9 Science. Refer to the list of eliminated chapters and topics below, ensuring you focus on the material that truly matters.
CBSE Class 9 Science Deleted Syllabus 2023-24: Check the list of chapter-wise topics removed from syllabus below:
| Chapter | Topics |
| Chapter 2: Is Matter Around Us Pure? | separating the components of a mixture |
| Chapter 3: Atoms and Molecules | Mole concept: Relationship of mole to mass of the particles and numbers. |
| Chapter 7: Diversity in Living Organisms | Full Chapter Deleted |
| Chapter 9: Force and Laws of Motion | Elementary idea of conservation of Momentum |
| Chapter 10: Gravitation | Elementary idea of Relative Density. |
| Chapter 11: Work and Energy | Commercial unit of Energy |
| Chapter 12: Sound | SONAR, Structure of the Human Ear (Auditory aspect only). |
| Chapter 13: Why Do We Fall Ill? | Full Chapter Deleted |
| Chapter 14: Natural Resources | Full Chapter Deleted |
CBSE Class 9 Science Deleted Syllabus 2023-24: Check deleted exercises from NCERT Class 9 Science Book below:
| 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 |
| Chapter 7: Diversity in Living Organisms | 80–97 | Full chapter |
| Chapter 9: Force and Laws of Motion | 123–127 | 9.6 Conservation of Momentum Activity 9.5, 9.6 Example 9.6, 9.7, 9.8 Box item ‘Conservation Laws’ |
| Chapter 10: Gravitation | 133, 142 | Following Box Items: a. Brief Description of Isaac Newton b. How did Newton guess the inverse–square rule? 10.7 Relative Density Example 10.7 |
| Chapter 11: Work and Energy | 156 | 11.3.1 Commercial Unit of Energy |
| Chapter 12: Sound | 161,162, 167, 171 and 172 | Box item titled ‘Can sound make a light spot dance?’ Box item titled ‘Sonic Boom’ 12.2.1 Sound Needs a Medium– Travel 12.5.1 Sonar 12.6 Structure of Human Ear |
| Chapter 13: Why Do We Fall Ill? | 176–188 | Full chapter |
| Chapter 14: Natural Resources | 189–202 | Full chapter |