The CUET Biology previous year Question Paper 2026 PDF is crucial for CUET UG candidates. The CUET UG exam is planned for May and June 2026. The NTA makes the CUET Biology question paper available in the form of a response sheet. We have posted the previous year’s Memory-Based CUET Biology Question Paper to help you comprehend the question formats. The Adda247 crew will deliver solutions following the exam. To achieve a high score, candidates should review the memory-based paper.
CUET Biology Question Paper 2026
The CUET Biology Question Paper 2026 is entirely based on the CUET Biology syllabus given by NTA. The NTA CUET Biology question paper, which students can download and distribute to their juniors or classmates, to help them study for the next exam. We also have access to the official CUET UG Biology question paper 2026 and distribute it to our students. The CUET Biology question paper 2026 PDF will be shared here soon.
CUET UG Biology Question Paper 2026
The CUET Biology Question Paper 2026 will be available on our digital platform in a Portable Document Format. You can utilize this feature and download the PDF in either standard or high-definition quality. By going through these documents, you can identify strengths and subjects that need additional attention in your study preparation. The CUET Biology syllabus 2025 is broken down into five sections. These units are:
- Reproduction,
- Genetics and Evolution,
- Biology and Human Welfare,
- Biotechnology and Its Applications,
- Ecology, and Environment
CUET Biology Question Paper 2026 Pattern
The NTA recently revised the CUET UG Biology exam 2026 pattern. As per the new pattern, the CUET UG Biology test paper will be held for 60 minutes. Now, there will be only compulsory questions in the exam. Students will get +5 marks for every correct answer, while -1 mark will be deducted for every incorrect response. The examination will be held in online mode. The CUET UG application 2026 is currently active.
CUET UG Biology Previous Year Question Paper PDF Download
Here we have provided the CUET UG 2024 and 2025 Biology Question paper with solutions PDF in given below. Students can download the pdf to practice the important questions for the CUET 2026 exam. Make sure that you first answer the question yourself and then cross-check your answers to overcome your mistakes.
| CUET Biology Paper with Solutions PDF | |
| CUET Biology Question Paper 2024 | Answer key |
| CUET Biology Question Paper 2025 | Answer Key |
CUET Previous Year Biology Question Paper with Solutions
Watch the Video to know the CUET UG Biology 2026 paper analysis and answer key to make your preparation level of CUET 2026 exam strong.
CUET Biology Question Paper with Answers
The CUET Biology Question Paper 2024 along with the answer key is available here. Our Adda247 team provides the CUET UG Biology question paper along with solutions to help students solidify their concept for the next year exam.
| S.No | Question | Answer |
| 1 | Match List I with List II |
|
| 2 | Match List I with List II |
|
| 3 | The beetle used as a biocontrol agent for aphids and mosquitoes is | Ladybird |
| 4 | The downstream processing method involves | Purification |
| 5 | Which of the following is not the correctly matched pair of organisms and its respective cell enzyme? |
Alage – Methylase
|
| 6 | Arrange the following steps involved in the transformation of bacteria in a sequence from initiation to end. | 2 – B, A, C, E, D |
| 7 | Which of the following statements are true? |
Milk obtained from Rosie…
Transgenic animals help us to understand… |
| 8 | Match List I with List II |
1 – Antitrypsin – Treat Emphysema CryIAc – Cotton Ballworms
Antisense RNA – Meloidegyne Incognitia cryIAB – Corn Borer |
| 9 | When an insect feeds on the Bt plant, the insect dies due to the conversion of inactive protein to active protein in |
Alkaline pH of the Gut
|
| 10 | Match List I with List II |
|
| 11 | The process of mineralisation by microorganisms helps in the release of |
Inorganic nutrients from humans
|
| 12 | Choose the correct statement with respect to decomposition from the following |
Decomposition rate of detritus depends upon the chemical nature of it
Humification follows mineralisation |
| 13 | Which of the following statements is incorrect with respect to Medical Termination of pregnancy? |
MTPs can be performed even after 24 weeks but with the opinion of 2 registered medical practitioners on specific grounds
|
| 14 | Match List I with List II |
Standing State – Amount of mineral nutrients in the soil at a given time
Secondary Productivity – Rate of formation of organic matter by consumers Standing Crop – Mass of living matter in a tropical at a given time Net Primary Productivity – Available Biomass for the Consumption of Heterotrophs |
| 15 | Match List I with List II |
ZIFT – Transfer of fertilized eggs up to 8 blastomeres into the fallopian tube
ICSI -Formation of the embryo in vitro by injecting sperm directly into the ovum IUI – Transfer of semen from a healthy donor into the uterus artificially IUT – Transfer of embryo with more than 8 blastomeres into fallopian tube |
| 16 | Saheli – an oral contraceptive pill, also known as once a week pill was developed by | CDRI |
| 17 | Which of the following is not a characteristic of the stable biological community |
All the species are equally important in a stable community and the absence of anyone leads to instability
|
| 18 | In the river poppet hypothesis, the river signifies | Species |
| 19 | The scientist who proved the richness directly correlated with the stability of the community was | David Tilman |
| 20 | Among the vertebrates, which of the following is the most species-rich group? | Fishes |
| 21 | Cells present in the mature pollen grains are |
Vegetative Cell and Generative Cell
|
| 22 | Match the Following |
Filiform apparatus – Guides Pollen tube into the synergid Tapetum – Nourishes the Pollen Grain
Exine – Made up of sporopollenin Attachment of ovule to the placenta |
| 23 | The primary endosperm nucleus is the product of | Triple fusion |
| 24 | In humans, mammary glands are divided into | 15 – 20 |
| 25 | Sex in human embryos is determined by |
X and Y chromosomes of sperm
|
| 26 | Arrange the following stages of oogenesis in order of occurrence | 2 (B, C, D A) |
| 27 | Which of the following pair of contrasting traits was not studied by Mendel? |
1 (Pink and White Flowers)
|
| 28 | Failure of Chromatids to segregate during the cell division cycle results in? | 3 (Aneuploidy) |
| 29 | Select the correctly matched pair about sickle cell anaemia | 1 (C and D only) |
| 30 | Match the List-I with List-II |
1 (A – II, B – IV, C – I, D – III)
|
| 31 | Which of the following statements are incorrect with respect to nucleotides? | 3 (B and D only) |
| 32 | Arrange the given steps of DNA fingerprinting in the sequence from initiation to end. | 3 – (B, A, D, C) |
| 33 | Nucleosome is associated with…molecules of histones | 4 (Eight) |
| 34 | Select the observations drawn from the human genome project which are correct |
3 (A, C and E only)
|
| 35 | Analogous structures are a result of |
1 – Convergent evolution
|
| 36 | Which of the following does not affect the Hardy-Wember equilibrium? | 3 – Gene Pool |
| 37 | Which of the following primates was more like an ape? | 2 – Dryopithecus |
| 38 | Match List I with List II |
1 – (A – II), (B – IV), (C – I), (D -III)
|
| 39 | Identify the Incorrect Statements |
3 (D only – Pneumonia is caused by Salmonella)
|
| 40 | Match List I with List II |
Cytokine Barriers – Interferons Physical Barriers – Mucus Coating Cellular Barriers – Phagocytosis
Physiological Barriers – Tears from Eyes |
| 41 | Smack is chemically |
1 – Diacetyl Morphine
|
| 42 | Antibodies are secreted by | 2 – B-Cells |
| 43 | In sewage treatment, flocs are |
3 – The masses of bacteria associated with fungal filaments
|
| 44 | Full Form of GEAC |
Genetic Engineering Approval Committee
|
| 45 | In a country at any time, the popular has the same number of young and mature ones. What type of growth does it reflect? | 3 – Stable |
| 46 | Two closely related species can co-exist indefinitely and violate Gause’s ‘Competitive Exclusion Principle by’ | 2 |
| 47 | In which ecosystem is the biomass of primary consumers greater than producers? | 4 – Sea |
| 48 | Which of the following is not a sexually transmitted disease? | 2 – Filariasis |
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