CBSE Biology Sample Paper 2027 Class 12 PDF with Solutions

Vidya Jain
|
September 25, 2026
Lesson Plan

Latest Update: Class 12 Biology Sample Paper has been released on the official website. Students can download the sample papers from the official website or the link given below

CBSE Class 12 Biology is an important subject for medical-stream students, where concepts become more detailed and complex. A strong understanding of the textbook is essential to build the right foundation for Board Exam preparation.

CBSE Class 12 Biology Sample Paper 2026-27 PDF

<cta2>Download SQP<cta2>

<cta2>Download MS<cta2>

Once the concepts are clear, regular practice helps improve retention and application. CBSE Class 12 Biology Sample Papers are especially useful as they provide exam-like practice and help students prepare more seriously for the actual board exam.

Class 12 Biology Sample Paper Pattern: Complete Overview 

Category Details
Subject Biology
Academic Session 2026-27
Board Exam CBSE Class 12 Board Exam 2027
Theory Marks 70 Marks
Internal Assessment 30 Marks
Total Marks 100 Marks
Exam Duration 3 Hours
Total Questions 33 Questions
Sections 5 Sections - A - E
Question Types MCQs, Assertion-Reason, VSA, SA, Case-Based and Long Answer Questions
Major Assessment Focus Concept application, reasoning, interpretation and analysis
Data-based Questions Included through tables, numerical data and biological datasets
Question Paper Pattern No change in design and assessment pattern for 2026-27

‍

How Class 12 Biology Sample Papers Are So Exam-Like?

The CBSE Class 12 Biology Sample Paper 2026-27 is based on CBSE Biology Syllabus, they closely reflect the actual board exam in terms of question style, level of difficulty, and marking scheme. 

They are designed in a way to provide students with a real-exam environment while improving their conceptual understanding and answer-writing skills. 

The CBSE Biology SQP structure looks like this:

Sections Question Types No. of Questions
Section A Multiple Choice Questions 16Q (1m)
Section B Very Short Answer (VSA) 5Q (2m)
Section C Short Answer (SA) 7Q (3m)
Section D Case Study Based 2Q (4m)
Section E Long Answer (LA) 3Q (5m)

‍

email-bannert
Thanks for subscribing!
Check your email for your discount coupon.

What’s New in the Class 12 Biology Sample Paper?

The official Biology sample paper does not have any changes in the question paper design and pattern for 2026-27. However, the way concepts are tested shows a stronger emphasis on competency-oriented questions. 

  • Context-based MCQs: Concepts are placed in practical situations such as vasectomy, pneumonia diagnosis, antibiotic production and mycorrhiza application.
  • Experimental and diagram-based questions: Students analyse transcription, pedigree charts and molecular biology experiments.
  • Data interpretation: Students interpret biological datasets rather than simply state facts.
  • Clinical application: Menstrual-cycle irregularities, infertility, cancer and drug-use disorders are used to test textbook concepts in realistic contexts.
  • Genetics and molecular reasoning: Students solve Punnett-square problems, interpret mutations, analyse DNA sequences and work with DNA probes.
  • Ecological application: Questions involve pollinator dependence, parasitism, biocontrol, productivity and biodiversity threats.
  • Higher-order long answers: Five-mark questions combine multiple concepts rather than asking one direct descriptive question.

Biology Sample Paper: Chapters With Highest Weightage 

Based on the latest Biology Sample Paper, some chapters carry comparatively higher marks and appear across different question types. 

Chapters Marks in SQP
Molecular Basis of Inheritance 9
Principles of Inheritance and Variation 8
Biotechnology: Principles and Processes 8
Microbes in Human Welfare 7
Sexual Reproduction in Flowering Plants 6
Human Production 6
Human Health and Disease 6

‍

Class 12 Sample Question Papers Biology 2027 With Solutions

The table below contains a list of sample papers from 2015 to 2025-26 along with the official marking scheme. Students can access these resources and start practicing in an exam-like environment with a 3-hour timer. 

A suggestion would be that after completing Class 12 Biology Syllabus, the first sample paper should be solved without any revision of the syllabus, just to check where one stands with their understanding of the concepts. 

Class 12 Biology Sample Papers Marking Scheme Solutions
2025-26 Sample Paper Download
2024-25 Sample Paper Download
2023-24 Sample Paper Download
2023-24 Sample Paper Download
2021-22 Sample Paper (T2) Download
2021-22 Sample Paper (T1) Download
2020-21 Sample Paper Download
2019-20 Sample Paper Download
2018-19 Sample Paper Download
2017-18 Sample Paper Download
2016-17 Sample Paper Download
2015-16 Sample Paper Download
2014-15 Sample Paper Download

‍

CBSE Class 12 Additional Practice Papers

In the beginning, if a student just wants to practice a paper without any formal setting and just to get a grip on concepts and tackle the questions, they can start with these additional sample papers which are also provided by CBSE with the marking scheme. 

Class 12 Biology Set 1 SQP & Marking Scheme

Class 12 Biology Set 2 SQP & Marking Scheme

How to Practice with Class 12 Biology SQPs Effectively?

Solving a Class 12 Biology SQP is one thing but solving it after analysing the paper and the answers later are two different things. The latter can actually help getting the desired results. 

It is vital for students to know how to solve a Biology SQP and turn the preparation into their favour. Here are some points which students can follow to make the best use of the sample papers: 

  • Complete conceptual understanding from NCERT Biology Textbook. 
  • Give 15 minutes time to just understand the paper and prepare a quick strategy to attempt the paper. 
  • Start with attempting the paper and set the target to solve it in 3 hours within the exam-like environment.
  • Draw neat and properly labelled diagrams wherever required. 
  • After completing the paper, relax for 15 mins and start with analysis afterwards. Check the answers with the marking scheme and mark weak areas, wrong answers, incomplete answers and everything that requires work. 
  • Revise the concepts, and reattempt incorrect questions after. 
  • Comparing this year's pattern with the CBSE Class 12 Important Questions list can help prioritize high-weightage topics.

Solving Biology Sample Question Papers through these steps can bring a huge difference in the final result. There would be a noticeable shift in the confidence with which the Biology Board Exam will be attempted.

FAQs 

Q1. Are the CBSE Class 12 Biology Sample Question Papers based on the latest exam pattern?

Ans. Yes, the CBSE Class 12 Biology Sample Question Papers for 2026-27 are based on the latest examination pattern. They include competency-based questions, MCQs, Assertion-Reason questions, case-based questions, and descriptive questions. 

Q2. Should I solve Biology SQPs before completing the syllabus?

Ans. It is recommended to complete the cbse class 12 biology syllabus first. However, you can attempt one sample paper to evaluate your current preparation level and identify topics that require more revision. 

Q3. How much time should I take to solve a Class 12 Biology Sample Question Paper? 

Ans. If you are practicing just to know the paper and brush up some concepts or to practice some questions randomly then there’s no time limit but otherwise you should attempt the sample paper within the official 3-hour board exam duration.

Q4. Are these Biology SQPs useful for NEET preparation as well? 

Ans. Yes. Since NEET is largely NCERT-based, these SQPs help strengthen core Biology concepts. However, for complete NEET preparation, students should also practice NEET-specific MCQs and previous years' questions.

Q5. Where can I download the CBSE Class 12 Biology Sample Question Paper 2026-27 PDF? 

Ans. You can download the latest CBSE Class 12 Biology Sample Question Paper 2026-27 PDF along with its official marking scheme from this page. Also, to practice sample papers of previous years you can follow the table given above containing the list of CBSE Biology sample papers from 2015.