CBSE Class 12 Biology Question Paper (2026, 2025, 2024, 2023, 2022, 2020); PDF Download

CBSE 12th 2026 ( CBSE 12th )

Salviya
Salviya Antony
Senior Executive - Content
Updated on Feb 18, 2026 13:20 IST
CBSE Class 12 Biology Question Paper 2026 PDF will be provided here for free download. Students can access and practice the previous year’s CBSE 12th Biology Question Paper PDF to prepare effectively. CBSE Biology Question Paper PDF 2026 will be provided here after the exam. CBSE Class 12 Biology Question Paper 2025 PDF is available here for free d

CBSE Class 12 Biology Question Paper 2026 PDF will be provided here after the CBSE 12th Biology exam 2026. Students can download previous year’s CBSE 12th Biology question paper to prepare for board exam.

CBSE Class 12 Biology Question Paper 2026: CBSE is conducting the Class 12 exam 2026 from Feb 17 to Apr 10, 2026. Once the Class 12 Biology exam is over, we will provide CBSE 12th Biology question paper 2026 PDF on this page. We have provided CBSE Class 12 Biology Question Paper 2025 on this page. Central Board of Secondary Education releases CBSE Biology Question Paper every year. Students can download previous year's CBSE 12th Biology question paper on official website and here on this page too. Practising CBSE Class 12 Biology question paper 2025 will provide students idea about exam pattern, marking scheme and important questions helping them score well in exam. 

CBSE will conduct CBSE 12th exam 2026 for Biology on March 27, 2026. Students can check the CBSE 12th Date sheet 2026 on the official website. CBSE 12th result 2026 will be out in May 2026. 

Table of contents
  • CBSE Class 12 Biology Question Paper 2026, 2025 and 2024 PDF Download
  • Previous Year's CBSE Class 12 Biology Question Paper PDF Download
  • CBSE 12th Biology Sample Papers 2026
  • CBSE 12th Biology Exam 2026: Guidelines
  • CBSE Class 12 Exam 2026: Prep Tips

CBSE Class 12 Biology Question Paper 2026, 2025 and 2024 PDF Download

Download Class 12 Biology Question Paper 2025 CBSE Board from table below.

CBSE 12th Board Biology Question Papers

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CBSE Class 12 Biology Question Paper 2026

To be uploaded

CBSE 12th Biology Question Paper 2025 SET 1

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CBSE12th Biology Question Paper 2024

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CBSE Class 12 Biology Question Paper 2024

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CBSE Class 12 Biology Question Paper 2024

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Commonly asked questions
Q:   What are the changes introduced in CBSE 12th Accounts exam pattern?
A: 

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.

 

Q:   Where can I check and download CBSE Exam Pattern Class 10, 12?
A: 

 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. 

Q:   Where can I download CBSE 12th sample question papers?
A: 

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.

Q:   Is CBSE 12th sample paper easier than board paper?
A: 

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. 

Previous Year's CBSE Class 12 Biology Question Paper PDF Download

Download Class 12 Biology Question Paper CBSE Board and previous year’s CBSE Class 12 Biology Question Paper and CBSE 12th Applied Biology from table below.

CBSE 12th Board Biology Question Papers

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CBSE12th Biology Question Paper 2023

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CBSE Class 12 Biology Question Paper 2022

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CBSE Class 12 Biology Question Paper 2020

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CBSE Class 12 Biology Question Paper 2019

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CBSE 12th Biology Sample Papers 2026

CBSE Class 12 Biology Sample Paper 2026 Download PDF Marking Scheme 
CBSE Class 12 Biology Sample Question Paper 2026 Download PDF Download PDF
CBSE Class 12 Biology Sample Question Paper 2025 Download PDF Download PDF
Click here to download all subject-wise CBSE Class 12 Sample Papers 2026

Also Check:

CBSE Class 12 Chemistry Question Paper 2024 (Available) PDF Download

CBSE Class 12 Political Science Question Paper

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Commonly asked questions
Q:   What is CBSE Class 12th marking scheme?
A: 

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.

Q:   Can we change marks in CBSE 12th marksheet?
A: 

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. 

Q:   What is CBSE 12th ranking methodology?
A: 

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

Q:   Can we attempt questions in any sequence in CBSE board class 12 question paper?
A: 

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. 

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CBSE 12th Biology Exam 2026: Guidelines

  • Do not forget CBSE 12th admit card 2026.
  • Do not skip breakfast.
  • Reach the exam hall one hour before the CBSE 12th board exam.
  • Carry the necessary stationary items.
  • Do not scribble on hall ticket.
  • Follow all the instructions given by the invigilator. 
  • Read the CBSE board 12th question paper 2026 carefully.
  • Draw the diagrams neatly.
  • Recheck the answers, once you finish writing the exam.

CBSE Class 12 Exam 2026: Prep Tips

Students are advised to prepare well for the CBSE 12th exam 2026. They can read the CBSE 12th preparation tips 2026 given here. 

  • Understand the CBSE 12th syllabus 2026 and learn accordingly. 
  • Learn the NCERT text books thoroughly. 
  • Revise regularly so that they will not forget what they have learnt. 
  • Practice CBSE 12th question papers.
  • Make short notes of every chapter.
  • Figure out weaker areas and concentrate more on them.
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About the Author
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Salviya Antony
Senior Executive - Content

Salviya writes content on board exams for Class 10 and 12. She completed B.Tech in ECE from Kannur University. She has 5+ years of work experience in the education industry. She likes travelling, and watching movies

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