JAC 12th Biology Deleted Syllabus 2026: Check Chapter Wise Deleted Syllabus
Table of Contents
Jharkhand Academic Council (JAC) has not yet released the details of the JAC 12th Biology Deleted Syllabus. Knowing the Deleted Syllabus can be beneficial for you as it reduces the overall study load, allowing you to focus on core concepts and potentially decreasing exam-related stress for JAC 12th Exam 2026.
The Board's primary goal is to remove less important or repetitive topics. This allows you to take a more focused approach to key concepts such as reproduction, genetics, biotechnology, and many more. A more manageable syllabus can free up time to explore other interests and develop their learning styles. You can also use this extra time for extracurricular activities or other enriching experiences.
More details regarding the JAC 12th Biology Deleted Syllabus 2026 can be checked below:
Also Read: JAC 12th Syllabus 2026
JAC 12th Biology Deleted Syllabus 2026
JAC 12th Biology Deleted Syllabus 2026 has not yet been published by the Jharkhand Academic Council (JAC). The deleted syllabus will be displayed on the official website of JAC. The link below will be updated once the deleted syllabus is released.
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Subjects |
Deleted Syllabus |
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JAC 12th Biology Deleted Syllabus 2026 |
To Be Released |
Also Read: JAC 12th Previous Year Question Papers
JAC 12th Biology Syllabus 2026 PDF
The JAC 12th Biology Deleted Syllabus 2026 will be available on the boards official website. However, you can check last years syllabus. The Biology syllabus will help you understand format, type of question, marking scheme and difficulty. The Biology syllabus can also be downloaded using the link below.
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Particulars |
PDF Link |
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JAC 12th Biology Deleted Syllabus 2026 |
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Also Read: JAC 12th Syllabus 2025
JAC 12th Biology Question Paper Pattern 2026
The JAC Class 12 Biology question paper will carry 100 marks. 70 marks will be allotted for theory and 30 marks for internal assessment. The duration of the exam is 3 hours and 20 minutes. Students will have a further 15 minutes to read the question paper and plan their answers. The question paper will consist of two parts: Part A and Part B. Part A will consist of 35 objective-type questions, each worth one mark and all will be compulsory to answer. Part B will have three sections A, B, and C and 19 questions overall. Part B will include three types of questions, very short answer questions in section A, short answer questions in section B, and long answer questions in section C. Students will have to answer all questions in Part B, but will have internal choices given.
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Part |
Type |
Sections |
Number of Questions |
Total Marks |
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A |
Objective Type |
– |
35 |
35 |
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B |
Subjective Type |
A (Very Short) |
19 |
35 |
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B (Short) |
||||
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C (Long) |
||||
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Total |
– |
– |
– |
70 |
Also Read: JAC 12th Exam Pattern 2025
JAC 12th Biology Weightage 2026
The JAC 12th Biology theory paper consists of five major units and has a total of 70 marks. Genetics and Evolution has the highest weightage with 20 marks, followed by Reproduction with 16 marks. Biology and Human Welfare and Biotechnology and its Applications contribute 12 marks each, while Ecology and Environment accounts for 10 marks.
Understanding the weightage allows you to allocate your study time proportionally to each topic, preventing you from wasting too much time on less important topics while ignoring high-weightage ones. Weightage allows you to create a more focused and strategic study plan, increasing their chances of success by focusing on the areas that contribute the most to their overall grade.
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Chapters |
Important Topics |
Weightage |
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Reproduction |
Pollination and fertilization, Reproductive system in males and females, Development of seeds and fruits, Reproductive health, sexually transmitted diseases, etc. |
16 Marks |
|
Genetics and Evolution |
Mendelian inheritance, Sex determination in human beings, Linkage and crossing over, DNA, Gene Expression, Genome, Evolution, etc. |
20 Marks |
|
Biology and Human Welfare |
Animal husbandry, immunology, vaccines, Plant breeding, Pathogens, Microbes, etc. |
12 Marks |
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Biotechnology and Its Applications |
Recombinant DNA technology, Genetically modified, Insulin and BT cotton, etc. |
12 Marks |
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Ecology and environment |
Ecosystems, population and community, Ecological adaptations, National parks and sanctuaries, etc.
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10 Marks |
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Total |
70 Marks |
Also Read: JAC 12th Sample Papers
Benefits of JAC 12th Biology Deleted Syllabus
Given below are the key benefits of the JAC 12th Biology Deleted Syllabus:
- You can now concentrate on more important subjects such as genetics, human physiology, and biotechnology.
- More time can be spent on understanding complex diagrams, cycles, and biological processes.
- Reducing less important chapters can help students strengthen key concepts for NEET and other entrance exams.
- Practical chapters receive more attention, leading to better lab performance.
- You can revise important chapters like Reproduction, Evolution, and Ecology in-depth.
- You can dedicate more time to memorizing scientific terms, classifications, and examples.
- Less time is wasted on outdated or overlapping topics that no longer align with competitive exams.
- You will save time on topics that don't provide much value for board examinations or entrance exams like NEET by eliminating out-of-date or low-priority topics. This enables you to concentrate on what matters most.
- You may feel more in charge of your preparation when the syllabus is deleted.
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