CBSE Class 12 Biology Deleted Syllabus 2026-27
The CBSE Class 12 Biology Deleted Syllabus 2026–27 shows the latest changes made by NCERT under the National Education Policy (NEP) 2020. The revised syllabus reduces extra content and helps students focus on key biology topics. The goal is to improve understanding and reduce learning pressure.
NCERT has removed some chapters and topics that repeat earlier lessons or are no longer useful for exams. These changes help students save time and prepare better for the board exams.
This blog explains the CBSE Class 12 Biology deleted syllabus for 2026–27 in a simple format. It helps students see what is removed and what remains in the syllabus. This clarity supports better study planning and confident preparation.
CBSE Class 12 Biology Deleted Syllabus 2026-27 Chapterwise
Approximately 30% of the content in the NCERT Biology textbook is expected to undergo rationalization in response to the NEP 2020 policy, particularly concerning the deleted syllabus of Biology Class 12. Oswal Publishers has consistently been at the forefront of providing quality educational resources to students across the country. We have a steadfast commitment to staying abreast of the most recent educational trends and policies, ensuring that our content aligns seamlessly with the current curriculum.
Our adaptability shines through as we promptly adjust to the latest revisions in the NCERT Biology textbook, specifically addressing the deleted syllabus of Biology Class 12. We are in the process of incorporating changes that adhere to NCERT guidelines within our CBSE Books for Class 12. Below, you’ll find a table detailing the biology deleted syllabus class 12 for the academic session of 2026-2027.
| Chapter Name | Dropped Biology Topics |
| Chapter 1: Reproduction in Organisms | Full Chapter |
| Chapter 9: Strategies for Enhancement in Food Production | Full Chapter |
| Chapter 13: Organisms and Populations | 13.1 Organism and Its Environment; 13.1.1 Major Abiotic Factors; 13.1.2 Responses to Abiotic Factors; 13.1.3 Adaptations Summary (para 2); Ques. 1,2,3,9,10,11,12 |
| Chapter 14: Ecosystem | 14.6 Ecological Succession; 14.6.1 Succession of Plants; 14.7 Nutrient Cycling; 14.7.1 Ecosystem– Carbon cycle; 14.7.2 Ecosystem– Phosphorus Cycle; 14.8 Ecosystem Services |
| Chapter 16: Environmental Issues | Full Chapter |
Students should be aware of the deleted Biology syllabus class 12 to avoid including it during exam preparation and save time. The deleted portion of class 12 biology 2026-27 was aimed at enhancing the learning experience for students.
Reasons Behind CBSE Class 12 Biology Deleted Syllabus 2026-27
- In 2020, the NCERT initiated significant changes to biology textbooks, with a particular focus on the deleted syllabus of Biology Class 12.
- These changes were driven by the National Education Policy (NEP) 2020, which aims to modernise and enhance the learning experience.
- NEP 2020 emphasizes reducing curriculum content to boost flexibility and encourage constructive learning over rote memorization, promoting experiential learning.
- The primary objective is to lighten the academic workload on students while fostering practical and hands-on learning.
- Union Minister of State for Education, Annapurna Devi, outlined the criteria for rationalizing content, which includes addressing content overlap, repetition, difficulty level, accessibility for self-learning, relevance, and alignment with learning outcomes.
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Study Tips for CBSE Class 12 Biology Exam 2026-27
Preparing for the CBSE Class 12 Biology exam in 2026-27 can be a rewarding experience with the right strategies in place. We’ve compiled some invaluable tips and tricks to help students achieve outstanding results in this crucial examination, all while navigating the challenges posed by the deleted syllabus of Biology Class 12:
- Know Your Syllabus: Start by gaining a comprehensive understanding of the entire Class 12 Biology syllabus. Additionally, be well-acquainted with the CBSE Class 12 Biology deleted syllabus for 2026-27. This ensures that your study efforts are directed towards relevant topics, eliminating unnecessary distractions.
- Paper Pattern Awareness: Familiarize yourself with the examination’s paper pattern. This knowledge will shed light on the marking scheme, exam duration, and the types of questions you can expect. It’s an essential step in structuring your study approach.
- Craft a Study Schedule: Create a well-structured study timetable tailored to your strengths and weaknesses. Allocate time for each topic, ensuring a balanced approach to cover all aspects of the syllabus. Sticking to your timetable consistently is key to effective preparation.
- Concise Short Notes: Biology involves a wealth of theoretical concepts. Make it easier to revise by preparing concise, well-organized short notes. These notes will serve as valuable references during your revision.
- Master Diagrams: Diagrams hold significant importance in Biology. Regular practice of creating and understanding diagrams enhances your grasp of key concepts and aids in visual memorization.
- Mock Tests and Past Papers: To identify recurring themes and gauge your preparedness, tackle multiple mock tests and solve past years’ papers. This practice provides insights into crucial topics and helps you manage time effectively during the actual exam.
- Thorough Revision: Given the substantial theoretical content in Biology, thorough revision is essential. Review the study material multiple times to reinforce your understanding and ensure retention of important concepts.
With a multitude of chapters and topics in the CBSE Class 12 Biology deleted syllabus, it’s vital to prioritize your study efforts on the relevant subjects. Devote special attention to the deleted portion of the Class 12 Biology 2026-27 syllabus to ensure a well-rounded and focused preparation.
Conclusion
We cannot stress enough the significance of being well-informed about the deleted syllabus of Biology Class 12 for this academic year. With a keen awareness of the syllabus, students can confidently stride towards the CBSE Class 12 Biology exam, ready to tackle any challenge that comes their way.
Checkout Deleted Syllabus for 2026-27 Exam:
FAQs on Deleted Syllabus of Biology Class 12 2026-27
Q1. Which chapters are completely deleted from the deleted portion of Class 12 Biology 2026-27?
Ans. The completely deleted chapters from the Class 12 Biology syllabus for 2026-27 include “Reproduction in Organisms,” “Strategies for Enhancement in Food Production,” and “Environmental Issues.”
Q2. Has the Class 12 Biology syllabus for 2026-27 been reduced?
Ans. Yes, the Class 12 Biology syllabus for 2026-27 has been reduced in accordance with the National Education Policy (NEP) 2020 to promote experiential learning and reduce the academic workload on students.
Q3. Where can I check the Biology deleted syllabus for Class 12 CBSE 2026-27?
Ans. You can check the Biology deleted syllabus for Class 12 CBSE 2026-27 on the official website of CBSE at cbseacademic.nic.in or refer to reliable educational sources and publications for updated information.
Q4. Which is the chapter with the highest scores allocated in the Class 12 Biology syllabus for 2026-27?
Ans. The chapter with the highest scores allocated in the Class 12 Biology syllabus for 2026-27 may vary by region or board, so it’s advisable to refer to the official CBSE guidelines or your specific study materials for accurate information.
Q5. What are some tips to effectively prepare CBSE Class 12 Biology notes?
Ans. To prepare effective CBSE Class 12 Biology notes, consider the following tips:
• Begin by understanding the syllabus thoroughly, including the deleted portion.
• Take clear and concise notes during class lectures and while reading textbooks.
• Use diagrams, flowcharts, and bullet points to simplify complex concepts.
• Organize your notes by topic and create a table of contents for easy reference.
• Regularly revise and update your notes to stay current with the syllabus.
• Seek clarification from teachers or peers if you encounter challenging topics.
• Use online resources and reference books to supplement your notes and gain a deeper understanding of the subject.