CBSE Class 12 Biology Sample Paper 2026-27, Download PDF
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The CBSE Class 12 Biology Sample Paper 2026-27 is an important resource for students preparing for the CBSE Class 12 Board Exam 2027. The Central Board of Secondary Education (CBSE) has released the sample question paper and marking scheme for the academic session 2026-27 on its official academic website. Students can download the Biology sample paper PDF and marking scheme from the links given below.
Solving the CBSE Class 12 Biology Sample Paper 2026-27 helps students understand the question paper pattern, marking scheme and types of questions asked in the exam. It also helps them improve time management, identify weak topics and practise writing answers before the board examination.
CBSE Class 12 Biology Sample Paper 2026-27 PDF Download
Students can download the official CBSE Class 12 Biology Sample Paper 2026-27 and its marking scheme from the table below. The marking scheme helps students understand the expected answers and how marks are awarded for different questions.
| CBSE Class 12 Biology Sample Paper 2026-27 |
| CBSE Class 12 Biology Sample Question Paper 2026-27 |
| CBSE Class 12 Biology Sample Paper Marking Scheme 2026-27 |
| CBSE Class 12 Sample Papers 2026-27 |
CBSE Class 12 Biology Sample Paper Pattern 2026-27
The CBSE Class 12 Biology theory examination carries 70 marks and has a duration of 3 hours. According to the official sample paper for 2026-27, the question paper contains five sections and 33 questions. All questions are compulsory, although internal choices are available in some questions. The section-wise distribution of questions is given below.
| Section | Type of Questions | Number of Questions | Marks per Question | Total Marks |
| Section A | Multiple-choice and assertion-reason questions | 16 | 1 mark | 16 |
| Section B | Short-answer questions | 5 | 2 marks | 10 |
| Section C | Short-answer questions | 7 | 3 marks | 21 |
| Section D | Case-based questions | 2 | 4 marks | 8 |
| Section E | Long-answer questions | 3 | 5 marks | 15 |
| Total | 33 questions | 33 | — | 70 marks |
Students should remember the following points while solving the sample paper:
- The total duration of the Biology theory examination is 3 hours.
- All 33 questions are compulsory.
- There is no overall choice in the question paper. Internal choices are provided in selected questions.
- Students should draw neat and properly labelled diagrams wherever necessary.
- Answers should be written according to the marks allotted to each question.
- Students should practise MCQs, assertion-reason questions, case-based questions and descriptive answers.
The official sample paper states that there is no change in the question paper design and assessment pattern for the academic session 2026-27. Students should still check the official sample paper and marking scheme before beginning their final practice.
How to Download CBSE Class 12 Biology Sample Paper 2026-27 PDF?
Students can follow these steps to download the official Biology sample paper and marking scheme.
- Visit the official CBSE Academic website at cbseacademic.nic.in.
- Open the section for Class XII Sample Question Papers and Marking Schemes for 2026-27.
- Find Biology in the subject list.
- Click on the SQP link to open the sample question paper PDF.
- Click on the MS link to open the marking scheme PDF.
- Download and save both files for exam preparation.
Students can also use the direct PDF links provided in the table above.
How Does the CBSE Class 12 Biology Sample Paper Help Students?
Practising the CBSE Class 12 Biology Sample Paper 2026-27 can help students prepare more effectively for the board examination. It allows them to apply the concepts studied in class and understand the type of answers expected in the exam.
- Understand the exam pattern: Students become familiar with the number of questions, sections and marks distribution.
- Improve time management: Solving the paper within 3 hours helps students learn how to divide their time between different sections.
- Identify weak topics: Checking answers with the marking scheme helps students find concepts that require more revision.
- Practise different question types: Students can prepare for MCQs, assertion-reason questions, case-based questions and long answers.
- Improve answer-writing skills: Regular practice helps students write clear, relevant answers according to the marks allotted.
- Build confidence: Practising a full-length paper before the examination helps students become more comfortable with the exam format.
Tips to Prepare for CBSE Class 12 Biology Board Exam 2027
Students should follow a planned study routine to prepare for the Biology board examination. The following tips can help them use the sample paper effectively.
- Complete the syllabus first: Revise the prescribed Biology syllabus before attempting the full sample paper.
- Study NCERT carefully: Read the NCERT textbook and revise important definitions, processes, diagrams and examples.
- Practise the official sample paper: Attempt the paper without checking the answers in between.
- Follow the time limit: Try to complete the paper within the allotted 3 hours.
- Check the marking scheme: Compare your answers with the official marking scheme and note the areas where marks may be lost.
- Revise difficult chapters: Spend more time on topics where you make repeated mistakes.
- Practise diagrams: Draw and label important biological structures neatly wherever required.
- Solve previous years' question papers: Use previous papers along with the latest sample paper to practise different questions.
Students should not depend only on sample papers. A good preparation plan should include NCERT revision, regular question practice and analysis of mistakes.