CUET Biology Question Paper 2026: Scoring well in the CUET 2026 Biology exam is an easy task, but only for candidates who use the right resources, including the best books, CUET previous year question papers (PYQs), and mock tests.
Along with practising these resources, candidates should have an understanding of the structure of the CUET 2026 Biology Question Paper, the types of questions that will be asked in it, and important questions from the exam point of view.
With access to all the important details about the question paper, candidates can eliminate extra efforts involved in CUET 2026 Biology exam preparation.
Considering this requirement, all the important details about the CUET Biology Question Paper 2026 and CUET 2026 Biology important topics have been provided in this SciAstra article.
CUET Biology Question Paper 2026: Overview
The CUET 2026 for different language and domain subjects and the General Aptitude test will be conducted from May 11 to 31, 2026, at CUET 2026 test centres designated by NTA. The exact date of the CUET 2026 Biology exam will be announced in the CUET UG 2026 datesheet, which is likely to be released in the fourth week of April 2026 at cuet.nta.nic.in.
The CUET UG 2026 Biology Question Paper will include 50 questions (multiple choice-based questions) that need to be solved in 60 minutes. Each question will carry 5 marks. There will be a deduction of 1 mark for each incorrect answer. Check out the complete overview of the CUET Biology Question Paper 2026 below:
Features | Details |
Exam Conducting Body | National Testing Agency (NTA) |
Mode of Examination | Computer-Based Test (CBT) (Online) |
Frequency of the Exam | Once a Year |
Syllabus Download Website | |
Medium of the Exam | 13 languages: English, Hindi, Assamese, Bengali, Gujarati, Kannada, Malayalam, Marathi, Odia, Punjabi, Tamil, Telugu, and Urdu |
Type of Questions | Multiple Choice Questions (MCQs of Chemistry Domain) |
Total Questions | 50 (all compulsory) |
Exam Duration | 60 minutes |
Total Marks | 250 |
Marking Scheme |
|
Also Read:
CUET Chemistry Question Paper 2026
CUET Physics Question Paper 2026
CUET Biology Question Paper 2026: Important Topics
At SciAstra, we have a team of academic experts that comprises educators who are IIT, IISc, IISER, and NISER alumni, Science Subject Matter Experts, and academic consultants. This SciAstra team has analysed CUET previous year question papers for Biology from 2022 to 2025.
Based on the analysis, the weightage of each topic included in the CUET 2026 Biology Syllabus has been provided below. The weightage for a topic here refers to the number of questions asked from it in the previous years' CUET Biology question papers.
The three most important topics for the CUET Biology Question Paper 2026 are Molecular Basis of Inheritance, Biotechnology: Principles and Processes, and Biodiversity and Conservation, as 16 questions from each of these topics were asked in the exam.
Other important topics for the exam are Biotechnology and Its Applications, Organisms and Populations, Ecosystem, and Sexual Reproduction in Flowering Plants. From each of these four topics, 14 questions were asked.
Check out the complete weightage for all the topics of the CUET 2026 Biology syllabus:
CUET Biology Chapter-Wise Weightage (No. of questions 2022-2025) | |||||
Units | Chapters | 2022 | 2023 | 2024 | 2025 |
Reproduction | Sexual Reproduction in Flowering Plants | 2 | 2 | 3 | 7 |
Human Reproduction | 4 | 2 | 3 | 3 | |
Reproductive Health | 3 | 2 | 5 | 2 | |
Genetics and Evolution | Principles of Inheritance and Variation | 4 | 2 | 4 | 3 |
Molecular Basis of Inheritance | 4 | 4 | 4 | 4 | |
Evolution | 2 | 3 | 4 | 4 | |
Biology and Human Welfare | Human Health and Disease | 5 | 3 | 4 | 4 |
Microbes in Human Welfare | 3 | 3 | 3 | 4 | |
Biotechnology and Its Applications | Biotechnology: Principles and Processes | 5 | 3 | 4 | 4 |
Biotechnology and Its Application | 3 | 4 | 4 | 3 | |
Ecology and Environment | Organism and Population | 3 | 7 | 3 | 1 |
Ecosystem | 3 | 2 | 4 | 5 | |
Biodiversity and Conservation | 3 | 2 | 5 | 6 | |
Also Read:
Mistakes to Avoid While Filling Out CUET 2026 Application Form
Documents Required to Fill Out CUET 2026 Application Form
CUET Biology Question Paper: Chapter-Wise Weightage
Based on the analysis, the team has also identified the CUET Biology chapter-wise weightage. The weightage for a particular chapter highlights the percentage of questions that were asked from it in the CUET Biology question papers between 2022 and 2025. This helps in determining the importance of chapters for the CUET 2026 Biology exam.
The most important chapter for the exam is Ecology with a weightage of 24.1%. The second and third most important chapters are Genetics and Evolution and Reproduction with weightages of 22.9% and 20.8%, respectively. Check out the weightages for all chapters below:
CUET Biology Question Paper 2026 PDF
The CUET 2026 question paper PDF will be released by NTA after the conclusion of the exam. The PDF will be provided below, once it is released.
CUET 2026 Physics Question Paper (Official) | |
CUET 2026 Physics Question Paper (Official PDF) | To be released |
Also Read:Â
CUET Biology Previous Year Question Paper
To make the exam preparation convenient for you, we have provided the CUET Previous Years' Question Papers fo Bioology as PDFs. Click on the links below to access these question papers:
CUET Previous Year Question Papers (2022-2025): Biology | |
CUET Biology Question Paper 2025 | |
CUET Biology Question Paper 2024 | |
CUET Biology Question Paper 2023 | |
CUET Biology Question Paper 2022 | |
CUET Previous Year Question Papers for Science
If you also select other Science subjects such as Physics, Chemistry, Maths, and Environmental Studies as your domain subjects while filling out the CUET 2026 application form, you must solve CUET previous year question papers for these subjects. SciAstra has curated question papers for these subjects as CUET Previous Year Question Papers for Science. Click on the link below to access them:
CUET 2026 Best Book for Biology Preparation
The best books for CUET 2026 Biology preparation are the ones that meet the following criteria:
1. Written by Credible Author/Publisher
2. Based on the Latest CUET Syllabus
3. Includes PYQs
4. Includes Practice Papers/Mock Tests
5. Covers Theory of the Concepts/Topics Related CUET Biology Syllabus
SciAstra CUET UG Books meet these criteria and help candidates with the preparation. If you want to leverage these benefits, you should purchase these books. The purchase link is available below:
ook Subject | Link to Purchas | Amazon/Flipkart Link |
| CUET Biology 2026 Mock Test Series- | |
| CUET Chemistry 2026 Mock Test Series-  Buy Now | |
| CUET Mathematics 2026 Mock Test Series- Buy Now |
Conclusion
Preparing effectively for the CUET Biology Question Paper 2026 requires a smart, structured, and exam-oriented approach. A clear understanding of the paper pattern, marking scheme, and chapter-wise weightage can significantly help candidates with the exam preparation. When this understanding is combined with consistent practice using CUET previous year question papers and mock tests the preparation becomes more effective. Since the exam is largely NCERT Class 12 Biology syllabus-based, focusing on high-weightage topics such as Ecology, Genetics and Evolution, and Reproduction will help you maximise your score in a limited time.
With the detailed insights, topic-wise analysis, and preparation resources shared in this SciAstra article, candidates can plan a targeted preparation strategy and approach the CUET 2026 Biology exam with confidence.
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