CBSE Class 12 Biology Blueprint 2025 Chapter Wise Marking Scheme: The pressure to have an excellent-looking mark sheet is now more than ever. Be it math, physics, chemistry, or biology it is expected that a student he/she will score good marks in all the subjects, even if he is not interested in any of the subjects.
Becoming a doctor is the dream of most of the students who opt for biology. While some students make it an ambition to become doctors, some take biology just because someone told them or their parents wanted them to take it and become doctors. So, for all of you here we provide you with the CBSE Class 12 Biology Blueprint.
One clear thing is that whatever you want to become in the future depends on the performance that you will give today. So if you wish to do something great tomorrow, then work hard today. If you want to put a good total in front of biology on your mark sheet, then start preparing for it from today only. With the help of this CBSE class 12 biology blueprint.
CBSE Class 12 Biology Blueprint 2025 Chapter Wise Marking Scheme
The first goal for someone who wants to get more than 90 marks is to complete the syllabus at least once. And once you complete the syllabus then you can come up with a good strategy to revise the syllabus to get maximum marks, and CBSE 12 Biology Blueprint 2025 will help you with this.
| Study Material For CBSE 12th Board Exam |
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| New CBSE Class 12th Sample Papers |
| CBSE 12th Blueprint 2025 for all subjects |
CBSE Class 12 Biology Blueprint is a guide to students and teachers that informs which unit comprises more marks so that students can focus on more important topics, and teachers can make papers based on that marking scheme.
Though every topic present in the syllabus is important, to get maximum marks, one needs to know which topic carries more marks, and this is why a CBSE class 12 biology blueprint for every topic is released.
| Question Paper Unit Details | ||
|---|---|---|
| S. No. | Unit Name | Total marks |
| TERM-I | ||
| 1 | Reproduction | 15 |
| 2 | Genetics and Evolution | 20 |
| TERM-II | ||
| 1 | Biology and Human Welfare | 14 |
| 2 | Biotechnology and its Applications | 11 |
| 3 | Ecology and Environment | 10 |
| Grand Total | 70 | |
| Practical | 30 | |
| Download CBSE Official Class 12th Biology BluePrint | ||
CBSE Class 12 Biology Blueprint
Here we provide you with the CBSE class 12 biology blueprint chapter-wise. Make sure to read it carefully and do your preparation accordingly for the exam. This is according to the official CBSE marking scheme and the previous year’s papers.
| Note:- You can follow this CBSE class 12 biology blueprint but the values may differ in the actual examination. However, it is good enough for you to prepare for your exams but we cannot guarantee that the upcoming question paper follows the same pattern. |
|---|
| Chapter Name | 2M | 3M | 5M | TM |
|---|---|---|---|---|
| Human Health and Diseases | 2 | 3 | – | 13 |
| Microbes in Human Welfare | 2 | – | – | 4 |
| Biotechnology – Principles and Processes | 1 | 2 | 1 (case) | 13 |
| Biotechnology and its Application | 1 | – | 1 (case) | 7 |
| Organisms and Populations | 2 | – | – | 4 |
| Biodiversity and its Conservation | – | 2 | – | 6 |
| Total | 16 (any 6Q) | 21 (any 6) | 10 (any 1Q) | 47M (only 35M) |
| Description of questions | No. of questions | Total marks |
|---|---|---|
| 2 marks questions | 6 | 12 |
| 3 marks questions | 6 | 18 |
| 5 marks questions | 1 | 5 |
| Grand total | 13 questions | 35 marks |
CBSE Class 12 Biology Blueprint 2025 New Format
For the academic year, 2021-22 CBSE launches a new pattern for exams. In other words, now you have to clear out 2 terms i.e. TERM-I and TERM-II. So, for your convenience, we provide you with the CBSE Class 12 Biology Blueprint and syllabus for both the terms here.
# CBSE Class 12th TERM-I Biology Syllabus
| Unit | Chapter | Marks |
|---|---|---|
| Reproduction | Chapter 2: Sexual Reproduction in Flowering Plants | 15 |
| Chapter 3: Human Reproduction | ||
| Chapter 4: Reproductive Health | ||
| Genetics and Evolution | Chapter 5: Principles of Inheritance and Variation | 20 |
| Chapter 6: Molecular Basis of Inheritance | ||
| Total (Theory) | 35 | |
| Practical | 15 | |
| Total | 50 | |
# CBSE Class 12th TERM-II Biology Syllabus
| Unit | Chapter | Marks |
|---|---|---|
| Biology and Human Welfare | Chapter 8: Human Health and Disease | 14 |
| Chapter 10: Microbes in Human Welfare | ||
| Biotechnology and Its Applications | Chapter 11: Biotechnology – Principles and Processes | 11 |
| Chapter 12: Biotechnology and its Application | ||
| Ecology and Environment | Chapter 13: Organisms and Populations | 10 |
| Chapter 15: Biodiversity and its conservation | ||
| Total (Theory) | 35 | |
| Practical | 15 | |
| Total | 50 | |
Biology is all about remembering things, the more you can retain, the better knowledge you will have on this subject. So, a good technique to study biology is to make very short notes according to the CBSE class 12 biology blueprint. Remember not to overdo the notes, they need to be very short, the main purpose of these notes is to make the information come back to your memory at one look.
Try to write the notes in a small diary or something that could fit even in your pocket. You get the idea! it can prove to be a great tool to revise as going through the small diary won’t seem a hard task to your brain. And whenever your brain falls short of information on that small note, then you can always go back to your main notebook. Also, take the help from the CBSE class 12 biology blueprint to make your study plan.
This way you can keep on revising all notes time and time again which will make sure that all the information gets concrete in your brain never forgetting it. Follow this technique and it will do wonders for you.
Hopefully, you liked our article on CBSE Class 12 Biology Blueprint 2025 New Format. If you have any doubts you can ask us in the comment section. We are here to help you out. All the best! for your board exams.
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