Hello there,

Understanding and solving different question papers is one of the best practice for the preparation. It gives you proper understanding of the exam pattern, important topics to cover and marking scheme.

Here are the links attached from the official website of Careers360 which will provide you with the biology question papers of both class 11th and 12th. Hope it helps!

Class 11th:

https://school.careers360.com/boards/cbse/cbse-class-11-half-yearly-sample-papers-2025-26

Class 12th:

https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-12-biology

thank you!

Hello,

The Bihar Board Class 11 Half-Yearly Examination 2025-26 (Intermediate Quarterly theory Examination for the month of December) is being conducted by the Bihar School Examination Board (BSEB) from 15 to December 22, 2025.

You will be able to download the official subject wise question papers from Careers360 when the exam gets over.

Here is the direct link to download the Biology question paper : Bihar Board 11th Half-Yearly Biology Question Paper 2025-26

If you are referring to any other examination or board, please ask your question again with the name of the examination and board you are referring to.

Hope it helps !

The CBSE Class 12 Biology Question Paper for the 2025 Board Examination (part of the 2025-2026 academic cycle) is available for download on the provided page, along with an initial answer key and exam analysis.

The exam was conducted on March 25, 2025, and the paper is structured for 70 marks theory, lasting 3 hours. It is an excellent resource for students preparing for the upcoming board exams.

You can download the CBSE Class 12 Biology Question Paper 2025 PDF directly here: https://school.careers360.com/boards/cbse/cbse-class-12-biology-question-paper-2025

Hello

The CBSE Board released the sample paper for the Class 12th exam. The paper helps the students to understand the structure of the exam pattern, and it helps to cover the important questions of the Biology subjects. This paper is based on the latest syllabus 2025. If you want to download the question paper, please read the article CBSE Class 12 Biology Sample Paper 2025-26 .

Thank you