Physics Wallah

CBSE Class 12 Biology Previous Year Papers PDF Download

CBSE Class 12 Biology Previous Year Paper PDF with solutions (2022–2025) is available for download. These papers follow the latest exam pattern and help students revise chapters, practice key questions, and improve exam performance.

 

authorImageAnanya Gupta24 Dec, 2025
Share

Share

CBSE Class 12 Biology Previous Year Paper

CBSE Class 12 Biology Previous Year Question Papers are an essential resource for students aiming to score high in the board exams.

These papers give a clear understanding of the exam structure, types of questions, marking scheme, and frequently asked concepts. By practicing previous years’ questions, students can identify important chapters and focus on high-weightage topics for efficient preparation.

Regularly solving Class 12 CBSE Biology Previous Year Question Paper also enhances problem-solving speed, accuracy, and time management. These solutions allow students to self-assess their preparation, identify weak areas, and revise effectively. 

Class 12 CBSE Biology Previous Year Question Paper​ 2025

Class 12 CBSE Previous Year Question Paper 2025 are actual question papers from the 2025 CBSE Biology board exam, available in multiple sets and formats (such as Set 1, Set 2, Set 3, etc.), and can be downloaded in PDF format.

Practising with these real exam papers helps you understand the types of questions asked, the marking scheme, and the way concepts from each chapter are tested. 

CBSE Class 12 Biology Previous Year Question Papers 2025 Set-wise 

Set Number

Download lInk

CBSE Class 12 Biology Previous Year Question Papers Set 1

PDF link 

CBSE Class 12 Biology Previous Year Question Papers Set 2

PDF link 

CBSE Class 12 Biology Previous Year Question Papers Set 3

PDF link 

CBSE Class 12 Biology Previous Year Question Papers Set 4

PDF link 

CBSE Class 12 Biology Previous Year Question Papers Set 5

PDF link 

CBSE Class 12 Biology Previous Year Question Papers Set 6

PDF link 

CBSE Class 12 Biology Previous Year Question Papers​ Download PDF

Enhance your exam preparation by downloading the CBSE Class 12 Biology Previous Year Question Papers​.

These papers give you a clear idea of the exam pattern, types of questions asked, and help you practice effectively to improve your performance.

Below are the Previous 5 Year Question Paper Of Biology Class 12 CBSE: 

CBSE Class 12 Biology Previous Year Question Papers​

Year

Download Link

CBSE 12th Board Biology Question Paper 2024

[Download PDF]

CBSE 12th Board Biology Question Paper 2023

[Download PDF]

CBSE Class 12 Biology Practice Question 2022

[Download PDF]

CBSE Class 12 Biology Practice Question 2021

[Download PDF]

CBSE Class 12 Biology Question Paper 2019

[Download PDF]

CBSE Class 12 Biology Question Paper 2018

[Download PDF]

CBSE Class 12 Biology Exam Pattern and Marking Scheme

The exam pattern and marking scheme for CBSE Class 12 Biology provide valuable insights into the types of questions and marks distribution that students can expect in their upcoming board exams. Below is a detailed breakdown of the exam pattern, followed by the marking scheme for both theory and practical exams. The theory exam for Biology is divided into different sections based on the types of questions asked. Here is how the question paper is structured:

 CBSE Class 12 Biology Exam Pattern and Marking Scheme

Section

Type of Question

No. of Questions

Marks Per Question

Total Marks

A

Multiple-Choice Questions (MCQs)/ Assertion-Reasoning

16

1

16

B

Short Answer Questions

5

2

10

C

Short Answer Questions

7

3

21

D

Case-based/Source-based/Passage-based/Integrated Assessment Questions

2

4

8

E

Long Answer Questions

3

5

15

TOTAL

 

33

 

70

CBSE Class 12 Biology Practical Exam Pattern

The practical exam is also an important part of the overall assessment. The practical exam is divided into various components, with specific marks allocated to each. Below is the practical exam pattern:

 CBSE Class 12 Biology Practical Exam Pattern

Practical Component

Marks

Identification/Familiarity with Apparatus

5

Written Test (Based on prescribed Practicals)

10

Practical Records

5

Viva

10

TOTAL

30

CBSE Class 12 Biology Course Structure 2025-26

The following is the course structure for CBSE Class 12 Biology for the academic year 2025-26. This structure includes the unit-wise marks distribution, which will help students prioritize topics accordingly for their preparation.

 CBSE Class 12 Biology Course Structure 2025-26

Unit

Unit Name

Marks

VI

Reproduction

16

VII

Genetics and Evolution

20

VIII

Biology and Human Welfare

12

IX

Biotechnology and its Application

12

X

Ecology and Environment

10

 

Total

80

Tips to Solve Class 12 Biology Previous Year Question Papers

Here are some helpful tips to effectively solve CBSE Class 12 Biology previous year question papers: 

  1. Review the question paper format and the distribution of marks across different sections. Pay attention to the time allotted for each section and practice managing your time accordingly.

  2. Focus on commonly asked questions or recurring topics. Previous year papers often repeat concepts and themes, especially in topics like Genetics, Ecology, and Human Physiology.

  3. Pay attention to the marks allotted for each question and frame your answer accordingly. A 5-mark question requires more detailed explanation than a 2-mark question.

  4. While answering, be precise and to the point. Avoid long explanations unless necessary. For long-answer questions, structure your answers using headings, bullet points, or 

  5. After completing a paper, go through your mistakes. This will help you identify weak areas and improve your understanding in those topics. Regular practice also helps reduce exam stress and boosts your confidence.

Related Links

CBSE Class 12 Maths Previous Year Question Papers CBSE Class 12 Physics Previous Year Question Papers
CBSE Class 12 Biology Previous Year Question Papers CBSE Class 12 Chemistry Previous Year Question Papers

CBSE Class 12 Biology Previous Year Paper FAQs

Where can I download CBSE Class 12 Biology previous year question papers?

CBSE Class 12 Biology previous year question papers can be downloaded in PDF format from here.

Are CBSE Class 12 Biology previous year papers available with solutions?

Yes, most previous year Biology question papers are available with detailed solutions and official CBSE marking schemes, which help students understand the correct answer format and marks distribution.

Is the CBSE Class 12 Biology previous year paper useful for board exam preparation?

Practising previous year papers is extremely useful as it helps students understand the exam pattern, question types, frequently asked topics, and improves time management and confidence.

Do CBSE Class 12 Biology previous year papers follow the latest syllabus?

Recent previous year papers are based on the CBSE syllabus applicable to that academic year. Students should always match the paper year with the latest syllabus to ensure relevance.

Are CBSE Class 12 Biology question papers available set-wise?

Yes, CBSE releases Biology question papers in multiple sets (Set 1, Set 2, Set 3, etc.), and are available in downloadable PDF format.
Free Learning Resources
Know about Physics Wallah
Physics Wallah is an Indian edtech platform that provides accessible & comprehensive learning experiences to students from Class 6th to postgraduate level. We also provide extensive NCERT solutions, sample paper, NEET, JEE Mains, BITSAT previous year papers & more such resources to students. Physics Wallah also caters to over 3.5 million registered students and over 78 lakh+ Youtube subscribers with 4.8 rating on its app.
We Stand Out because
We provide students with intensive courses with India’s qualified & experienced faculties & mentors. PW strives to make the learning experience comprehensive and accessible for students of all sections of society. We believe in empowering every single student who couldn't dream of a good career in engineering and medical field earlier.
Our Key Focus Areas
Physics Wallah's main focus is to make the learning experience as economical as possible for all students. With our affordable courses like Lakshya, Udaan and Arjuna and many others, we have been able to provide a platform for lakhs of aspirants. From providing Chemistry, Maths, Physics formula to giving e-books of eminent authors like RD Sharma, RS Aggarwal and Lakhmir Singh, PW focuses on every single student's need for preparation.
What Makes Us Different
Physics Wallah strives to develop a comprehensive pedagogical structure for students, where they get a state-of-the-art learning experience with study material and resources. Apart from catering students preparing for JEE Mains and NEET, PW also provides study material for each state board like Uttar Pradesh, Bihar, and others

Copyright © 2026 Physicswallah Limited All rights reserved.