CBSE 12th Biology sample paper 2026-27 will be released soon by CBSE. The sample paper 2026-27 will be made available in PDF form. We will provide a direct link for CBSE 12th Biology Sample Paper 2026-27 PDF. Besides the sample paper, we have also provided the previous years' CBSE 12th Biology question paper. Going through these previous years' papers
CBSE 12th Biology Sample Paper 2026-27 PDF Download
The Central Board of Secondary Education will soon release CBSE 12th Biology sample paper 2026-27. The sample paper 2026-27 will be made available in PDF form. We will provide direct link for CBSE 12th Biology Sample Paper 2026-27 PDF. Sample papers are the most effective study resources for students. It gives a clear understanding of the latest exam pattern, question types, marking scheme, etc. By solving question papers of CBSE 12th exam, students can improve conceptual understanding, time management and confidence. Along with sample paper, marking scheme will also be released. Read below for more details on CBSE 12th Biology sample paper 2026-27.
- CBSE Class 12 Biology Sample Paper 2026-27 Highlights
- How to Download CBSE 12th Biology Sample Paper 2026-27?
- Why Should Students Practice the CBSE Class 12 Biology Sample Paper?
- CBSE Class 12 Biology Exam Pattern 2026-27
- Previous Years' CBSE 12th Biology Question Paper
- CBSE Class 12 Biology Syllabus 2026-27
- Preparation Tips for CBSE Class 12 Biology
CBSE Class 12 Biology Sample Paper 2026-27 Highlights
Some of the highlights related to CBSE 12th Biology sample paper 2026-27 are given below.
| Particular | Details |
|---|---|
| Exam Name |
CBSE Class 12 Board Examination 2027 |
| Subject |
Biology |
| Theory Marks |
70 |
| Practical Marks |
30 |
| Exam Duration |
3 Hours |
Commonly asked questions
CBSE released the CBSE 12th sample papers on the official website- cbseacademic.nic.in. You can download CBSE Class 12 sample question papers from the official website or from this page too. Students must solve and practice the CBSE 12th question papers of previous years' to know the marking scheme, the types of questions asked in the exam, gauge the difficulty level and more.
It is advised that students solve and practice the CBSE sample papers to ace the board examinations.
In the Accountancy subject, the CBSE Board has decided to do away with the answer books wherein tables were provided for the subject of Accountancy.
Not exactly the same, but, CBSE can ask questions similar to what were asked in the previous years of CBSE 12th exams. Thus, you are advised to download and practice the previous years' question papers thoroughly for better preparation.
Yes, you can attempt questions in any sequence in CBSE board class 12. Just ensure that while attempting your CBSE board exam that you have attempted all the question with a question number written in such a way that examiner can see it properly. And in order to get good marks, it is important to make an impression which can be made by attempting those questions first that you know well. Thus, if you know question no. 12, then instead of 1, 2, attempt those question that you remember properly.
How to Download CBSE 12th Biology Sample Paper 2026-27?
The process to download CBSE 12th Class Biology sample paper is given below.
- Visit board’s website
- Click ‘CBSE 12th Biology Sample Paper 2026-27’ link
- Clicking the link, sample paper in PDF appears on screen
- Download and save it
Why Should Students Practice the CBSE Class 12 Biology Sample Paper?
Practising Biology sample papers offers several advantages as given below.
- Helps in understanding the latest CBSE 12th exam pattern
- Become familiar with competency-based questions
- Improves time management
- Learn distribution of marks across chapters
- Identify strengths and weak areas
- Builds confidence
Commonly asked questions
You can treat the CBSE sample paper as a mock test and time yourself while answering it. This will make you familiar with the exam pattern and marking scheme, after which you will eventually find the CBSE board paper easy.
You can download the CBSE 12th sample papers and question papers by clicking on the link below:
If you are not satisfied with the marks, you can apply for revaluation or rechecking of the paper. The marks awarded after the rechecking/revaluation shall be considered as the final marks. Then a new marksheet will be issued to you thereafter.
The exam pattern shares the marking scheme, weightage to every topic, duration of exam and more. Students must know the CBSE exam pattern as this helps them form a strategy and to decide which question to solve first.
CBSE 12th marking scheme for is such that 80 marks are allotted for Theory and 20 marks for Internal Assessment. The marking scheme for Science subjects have 70 marks and 30 for practicals.
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CBSE Class 12 Biology Exam Pattern 2026-27
According to CBSE Class 12th Biology exam pattern, Biology paper carries 70 marks, while 30 marks are allotted to practical paper. The paper comprises both objective and subjective type questions. The weightage of marks is given below.
| Unit | Chapter | Weightage |
|---|---|---|
| Unit VI: Reproduction |
Sexual Reproduction in Flowering Plants |
7 marks |
|
|
Human Reproduction |
6 marks |
|
|
Reproductive Health |
3 marks |
|
|
Total |
16 marks |
| Unit VII: Genetics and Evolution |
Principles of Inheritance and Variation |
8 marks |
|
|
Molecular Basis of Inheritance |
8 marks |
|
|
Evolution |
4 marks |
|
|
Total |
20 marks |
| Unit VIII: Biology and Human Welfare |
Human Health and Diseases |
9 marks |
|
|
Microbes in Human Welfare |
3 marks |
|
|
Total |
12 marks |
| Unit IX: Biotechnology and Its Applications |
Biotechnology - Principles and Processes |
6 marks |
|
|
Biotechnology and Its Applications |
6 marks |
|
|
Total |
12 marks |
| Unit X: Ecology and Environment |
Organisms and Populations |
5 marks |
|
|
Ecosystem |
3 marks |
|
|
Biodiversity and Its Conservation |
2 marks |
|
|
Total |
10 marks |
Previous Years' CBSE 12th Biology Question Paper
Practising previous years' CBSE 12th Biology question paper helps students to understand the pattern of questions. These papers also help students to manage time and revision. Understanding the mark distribution gives students an advantage in exam preparation. Biology involves theory-based learning, diagrams, and explanation of concepts. Students can know how questions are asked from NCERT. Download below CBSE 12th Biology previous years question papers.
| Year | Download Link |
|---|---|
| CBSE 12th Biology Question Paper 2026 | Download Paper |
| CBSE 12th Biology Question Paper 2025 | Download Here |
| CBSE 12th Biology Question Paper 2024 | Download Here |
Commonly asked questions
The qualifying marks in each subject of external examination is 33%. The grading system is given below.
A-1 Top 1/8th of the passed candidates
A-2 Next 1/8th of the passed candidates
B-1 Next 1/8th of the passed candidates
B-2 Next 1/8th of the passed candidates
C-1 Next 1/8th of the passed candidates
C-2 Next 1/8th of the passed candidates
D-1 Next 1/8th of the passed candidates
D-2 Next 1/8th of the passed candidates
E Failed candidates
The latest CBSE exam pattern 2026 for class 12 comprises competency-based questions (MCQs, case-based, source-based questions, etc.), which carry 40% weightage. The Multiple choice questions (MCQs) carry 20% weightage and short/answer type questions carry 40% weightage.
Students must ensure to solve atleast one previous year CBSE 12th Mathematics question paper every day to efficiently prepare for the CBSE 12th Mathematics board exam. Make sure to practice the question papers during the last month of the preparation.
CBSE Class 12 Accountancy Question Paper 2026 is available now. Students can download the question paper from our website for free. Practising this paper, candidates can know the nature of questions.
CBSE Class 12 Biology Syllabus 2026-27
The Biology syllabus is divided into five major units.
Unit I: Reproduction
- Sexual Reproduction in Flowering Plants
- Human Reproduction
- Reproductive Health
Unit II: Genetics and Evolution
- Principles of Inheritance and Variation
- Molecular Basis of Inheritance
- Evolution
Unit III: Biology and Human Welfare
- Human Health and Disease
- Microbes in Human Welfare
Unit IV: Biotechnology
- Biotechnology: Principles and Processes
- Biotechnology and Its Applications
Unit V: Ecology and Environment
- Organisms and Populations
- Ecosystem
- Biodiversity and Conservation
- Environmental Issues
Also Read: CBSE 12th Syllabus
Preparation Tips for CBSE Class 12 Biology
The strategy to crack CBSE 12th Biology paper is given below.
- Revise NCERT Biology thoroughly
- Solve previous years’ question papers
- Attempt chapter-wise mock tests regularly
- Prepare revision notes
Read More:
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Student Forum
Anything you would want to ask experts?Answered 7 hours ago
Yes, students can join the University of Hyderabad after completing your 12th grade through their 5-year Integrated Postgraduate (PG) programs, 4-year B.S. (Hons), or dual-degree engineering options.
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Contributor-Level 9
Answered 8 hours ago
Yes, candidates can apply for BA LLB admission at Panjab University before Class 12 board exam results are announced. PU UGLAW is open for such candidates and during admission process, BA LLB seats are filled based on entrance exam scores alone.
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Yes, LPU generally allows students with awaited Class 12 results to apply for programs like BA (Hons.) Economics on a provisional basis. However, admission remains subject to meeting the eligibility criteria and submitting the required documents once the board results are declared.
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Top B.Tech Computer Science Engineering (CSE) colleges in India that offer direct or merit-based admission using Class 12 marks include several well-known private universities and state institutions:
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Yes, you can pursue a BSc Agriculture after completing Class 12 with Agriculture (RBSE).
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With 98.3% in Class 12, you can easily meet the academic board criteria for IITs (65% required for ST). Since clearing JEE Advanced is mandatory for IIT admission, on the basis of JEE Main score of 56.77 percentile, you likely did not cross the ST category qualifying cutoff to appear for JEE Advance
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To become a Chartered Accountant (full form of CA) after class 12th, you need to first register yourself for the CA foundational course through Institute of Chartered Accountants of India (ICAI).
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With 132 marks in PCM, 90% in Class 12 and 50% score in CET under SEBC category status, you can get admission to various state or private engineering colleges for civil engineering without a JEE score.
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