RBSE 12th Biology Deleted Syllabus 2026: Check Chapter-Wise Deleted Syllabus
Table of Contents
The Rajasthan Board of Secondary Education has changed the Class 12th Biology syllabus after introducing the RBSE 12th Biology Deleted Syllabus. Various topics that were no longer needed in the curriculum and overlapped with other topics have been deleted. If you are appearing for the RBSE 12th Exam, you must download the PDF of the deleted syllabus.
The step taken by the board has reduced academic pressure among students, as earlier they had to cover the lengthy syllabus. But now it is reduced, so you can focus on important topics that are scoring in the exam and strategize their preparation according to them. You have sufficient time to focus on other subjects also, and you can revise better and practice a sufficient number of questions.
You can practice previous year questions even after the RBSE 12th Deleted Syllabus 2026 for Biology is introduced. You can skip the questions that were asked from the deleted topics in the previous year's question papers.
In this article, the RBSE 12th Biology Deleted Syllabus 2026 chapter-wise has been discussed. Read more to get detailed information on the topics that are removed.
Also Read: RBSE Class 12 Syllabus
RBSE 12th Biology Deleted Syllabus 2026- Chapter Wise
In the RBSE 12th Biology Deleted Syllabus 2026, chapters on Reproduction in Organisms, Strategies for Enhancement in Food Production, and Environmental Issues have been completely removed from the syllabus. Certain topics of Chapters 13 and 14 have been removed, which are shown in the table below.
|
Chapters |
Deleted Topics |
|
Chapter 1: Reproduction in Organisms |
Full Chapter |
|
Chapter 9: Strategies for Enhancement in Food Production |
Full Chapter |
|
Chapter 16: Environmental Issues |
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 |
|
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 |
Also Read: RBSE 12th Admit Card
RBSE 12th Biology Syllabus 2026 PDF
The RBSE 12th Biology Syllabus 2026 PDF contains the topics that are in the syllabus. If you are in the RBSE 12th Class, you must check out the updated syllabus PDF and then study the Biology subject.
Also Read: RBSE 12th Sample Papers
RBSE 12th Biology Question Paper Pattern 2026
With the introduction of the RBSE 12th Biology Deleted Syllabus 2026, the RBSE 12th Biology Question Paper Pattern has been revised to include four sections: A, B, C, and D. You should check the below table that outlines the sections, types of questions, and how many marks are allocated to each section.
|
Sections |
Type of Questions |
Marks Allocated |
|
Section A |
Objective (MCQ) questions |
24 |
|
Section B |
Short Answer type |
21 |
|
Section C |
Long Answer type |
9 |
|
Section D |
Essay type |
16 |
Also Read: RBSE 12th Previous Year Question Papers
RBSE 12th Biology Topics Weightage 2026
The topics included in the RBSE 12th Biology Deleted Syllabus do not hold any weightage in the RBSE 12th Biology exam. The weightage according to marks is shown below in the table. You can check what the topics are that are important and of high weightage.
|
Topic |
Weightage (Marks) |
|
Reproduction |
10 |
|
Genetics and Evolution |
12 |
|
Biology and Human Welfare |
8 |
|
Biotechnology and Its Applications |
10 |
|
Ecology and Environment |
10 |
|
Structural Organisation in Animals and Plants |
7 |
|
Human Physiology |
13 |
|
Plant Physiology |
10 |
|
Total |
80 |
Also Read: RBSE 12th Exam Pattern
Benefits of RBSE 12th Biology Deleted Syllabus 2026
There are various benefits that the RBSE 12th Biology Deleted Syllabus 2026 offers to students studying in the RBSE Class 12th. These include:
- With fewer topics to study, you can focus better on the important concepts of Biology and prepare without feeling stressed or tense.
- As the RBSE 12th Biology Deleted Syllabus has been introduced in the curriculum, you can dedicate more time to mastering the core topics that are important for exams, such as Human Physiology, and various other topics hold more weightage in the exam.
- The reduced syllabus helps you manage your study time efficiently, allowing you to balance revision for Biology with other subjects or hobbies.
- With fewer chapters, you can revise and practice more, which ensures you're well-prepared for the exam.
- Focusing on the core topics helps you understand important concepts more deeply, making it easier to recall them during exams.
- With a shorter syllabus, you can spend more time revising important topics, solving past papers, and practicing mock tests for better exam performance.
- The topics that are in the syllabus are often more relevant for competitive exams like NEET, which can give you an edge in your future career.
- The revised syllabus allows you to learn at your own pace, reducing pressure and helping you maintain a steady pace of study.
- With the removed topics, the syllabus now focuses more on concepts that have real-world applications, making your learning more practical and useful.
- By focusing on important chapters, you can stay confident and organized in your preparation, making it easier to succeed in the exams.
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