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CUET Biology syllabus is released by NTA on the official website at cuet.nta.nic.in/syllabus. Students can download the CUET Biology syllabus from the official website by clicking on the link displaying “Biology/ Biological Science/ Biotechnology /Biochemistry” with subject code 304.
- CUET Biology syllabus 2026 is based on 13 chapters extracted from a total of 5 units.
- Units included in the CUET Biology syllabus are Reproduction, Genetics and Evolution, Biology and Human Welfare, Biotechnology and Its Applications, and Ecology and Environment.
- CUET Biology syllabus mostly includes the NCERT class 12 syllabus for Biology.
As per the CUET exam pattern, there will be a total of 50 compulsory questions asked in CUET Biology. With 5 marks allocated to each question, you can score a maximum of 250 marks in CUET UG Biology.
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Key Summary
- CUET Biology syllabus PDF 2026 can be downloaded from the official website at http://cuet.nta.nic.in/syllabus.
- CUET Biology syllabus is extracted from NCERT class 12 Biology syllabus.
- There are a total of 5 units included in CUET Biology syllabus 2026, and out of these 5 units, a total of 13 chapters are extracted.
- Units included in CUET Biology syllabus are:
- Unit I: Reproduction
- Unit II: Genetics and Evolution
- Unit III: Biology and Human Welfare
- Unit IV: Biotechnology and Its Applications
- Unit V: Ecology and Environment
- From CUET Biology syllabus, there will be a total of 50 compulsory questions.
- Students can score a maximum of 250 marks in CUET Biology with +5 marks for each correct answer.
CUET Biology Syllabus PDF Download
CUET Biology syllabus PDF 2026 will be available for download on the official website at http://cuet.nta.nic.in/syllabus. You can also download the CUET Biology syllabus PDF from the table below.
Ques. Where can I get CUET Biology Syllabus 2026 PDF?
Ans. To download the CUET UG Biology syllabus PDF, students must first visit the official syllabus page of CUET UG at http://cuet.nta.nic.in/syllabus. From the list of subjects, click on the link displaying “Biology/ Biological Science/ Biotechnology /Biochemistry”. The CUET Biology syllabus PDF will be displayed on the screen. You can save the PDF file of the CUET Biology syllabus using the download and save option.
- CUET Biology Topic Wise Weightage
1.1 CUET Biology Topic-wise Weightage: Reproduction
1.2 CUET Biology Topic-wise Weightage: Genetics and Evolution
1.3 CUET Biology Topic-wise Weightage: Biology and Human Welfare
1.4 CUET Biology Topic-wise Weightage: Biotechnology and Its Applications
1.5 CUET Biology Topic-wise Weightage: Ecology and Environment
- CUET Biology Syllabus 2026
2.1 CUET Biology Syllabus: Unit I Reproduction
2.2 CUET Biology Syllabus: Unit II Genetics and Evolution
2.3 CUET Biology Syllabus: Unit III Biology and Human Welfare
2.4 CUET Biology Syllabus: Unit IV Biotechnology and its Applications
2.5 CUET Biology Syllabus: Unit V Ecology and Environment
- CUET Biology Exam Pattern
- CUET Biology Syllabus: Important Books
- CUET Biology Reduced Syllabus
- CUET Biology Important Topics
- CUET Biology Syllabus: Previous Years Papers
7.1 CUET Biology 2025 Question Paper
7.2 CUET Biology 2024 Question Paper
7.3 CUET 2023 Biology Question Paper
7.4 CUET 2022 Biology Question Paper
- CUET Biology Syllabus: Preparation Tips
- CUET Biology Syllabus FAQs
CUET Biology Topic Wise Weightage
The CUET UG 2026 Biology exam includes 5 units according to the NCERT Class 12 syllabus. All units have varying weightage, and studying high-weightage topics can lead to maximum scores. The unit-wise weightage of CUET Biology syllabus is mentioned in the table below.
| Topics | Expected Number of Questions |
|---|---|
| Reproduction | 11-13 |
| Genetics and Evolution | 14-17 |
| Biology and Human Welfare | 7-10 |
| Biotechnology and Its Application | 7-9 |
| Ecology and Environment | 6-8 |
The following are the topic-wise weightage tables for CUET Biology 2026:
CUET Biology Topic-wise Weightage: Reproduction
| Topics | Expected No. of Questions |
|---|---|
| Sexual Reproduction in Flowering Plants | 4-5 |
| Human Reproduction | 3-4 |
| Reproductive Health | 3-4 |
| Total | 11-13 |
CUET Biology Topic-wise Weightage: Genetics and Evolution
| Topics | Expected No. of Questions |
|---|---|
| Principles of Inheritance and Variation | 4-5 |
| Molecular Basis of Inheritance | 7-8 |
| Evolution | 3-4 |
| Total | 14-17 |
CUET Biology Topic-wise Weightage: Biology and Human Welfare
| Topics | Expected No. of Questions |
|---|---|
| Human Health and Disease | 2-3 |
| Strategies for Enhancement in Food Production | 2-3 |
| Total | 7-10 |
CUET Biology Topic-wise Weightage: Biotechnology and Its Applications
| Topics | Expected No. of Questions |
|---|---|
| Biotechnology – Principles & Processes | 4-5 |
| Biotechnology and Its Applications | 3-4 |
| Total | 7-9 |
CUET Biology Topic-wise Weightage: Ecology and Environment
| Topics | Expected No. of Questions |
|---|---|
| Organisms and Populations | 2-3 |
| Ecosystem | 1-2 |
| Biodiversity and Conservation | 2-3 |
| Environmental Issues | 1-2 |
| Total | 6-8 |
Ques. What are the high-weightage chapters of Biology for CUET?
Ans. Each topic of CUET Biology carries around 2-4 questions in CUET Biology question paper. Some of the high-weightage topics that carry around 4-8 questions (7-10% weightage) in the CUET Biology question paper are listed below.
| Topics | Weightage |
|---|---|
| Sexual Reproduction in Flowering Plants | 4-5 |
| Principles of Inheritance and Variation | 4-5 |
| Molecular Basis of Inheritance | 7-8 |
| Biotechnology – Principles & Processes | 4-5 |
Ques. Which chapter has more weightage in Biology?
Ans. Among 13 chapters in CUET Biology syllabus, Molecular Basis of Inheritance is considered to be the most important chapter with the highest weightage. The chapter “Molecular Basis of Inheritance” has a weightage of around 7-8 questions in CUET Biology question paper.
CUET Biology Syllabus 2026
CUET Biology syllabus is based on 5 units and 13 chapters. You can go through the table below to check the CUET Biology syllabus and topics for each chapter and unit.
CUET Biology Syllabus: Unit I Reproduction
| Chapter | Topics |
|---|---|
| Chapter-1 | Sexual Reproduction in Flowering Plants: Flower structure; development of male and female gametophytes; pollination - types, agencies and examples; outbreeding devices; pollen-pistil interaction; double fertilization; post-fertilization events - development of endosperm and embryo, development of seed and formation of fruit; special modes- apomixis, parthenocarpy, polyembryony; Significance of seed dispersal and fruit formation. |
| Chapter-2 | Human Reproduction Male and female reproductive systems; microscopic anatomy of testis and ovary; gametogenesis -spermatogenesis and oogenesis; menstrual cycle; fertilisation, embryo development up to blastocyst formation, implantation; pregnancy and placenta formation (elementary idea); parturition (elementary idea); lactation (elementary idea) |
| Chapter-3 | Reproductive Health Need for reproductive health and prevention of Sexually Transmitted Diseases (STDs); birth control - need and methods, contraception and medical termination of pregnancy (MTP); amniocentesis; infertility and assisted reproductive technologies - IVF, ZIFT, GIFT (elementary idea for general awareness) |
CUET Biology Syllabus: Unit II Genetics and Evolution
| Chapter | Topics |
|---|---|
| Chapter-4 | Principles of Inheritance and Variation Heredity and variation: Mendelian inheritance; deviations from Mendelism – incomplete dominance, co-dominance, multiple alleles and inheritance of blood groups, pleiotropy; elementary idea of polygenic inheritance; chromosome theory of inheritance; chromosomes and genes; Sex determination - in humans, birds and honey bee; linkage and crossing over; sex linked inheritance - haemophilia, colour blindness; Mendelian disorders in humans - thalassemia; chromosomal disorders in humans; Down's syndrome, Turner's and Klinefelter's syndromes |
| Chapter-5 | Molecular Basis of Inheritance Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging; DNA replication; Central Dogma; transcription, genetic code, translation; gene expression and regulation - lac operon; Genome, Human and rice genome projects; DNA fingerprinting |
| Chapter-6 | Evolution Origin of life; biological evolution and evidences for biological evolution (paleontology, comparative anatomy, embryology and molecular evidences); Darwin's contribution, modern synthetic theory of evolution; mechanism of evolution - variation (mutation and recombination) and natural selection with examples, types of natural selection; Gene flow and genetic drift; Hardy- Weinberg's principle; adaptive radiation; human evolution |
CUET Biology Syllabus: Unit III Biology and Human Welfare
| Chapter | Topics |
|---|---|
| Chapter-7 | Human Health and Disease Pathogens; parasites causing human diseases (malaria, dengue, chikungunya, filariasis, ascariasis, typhoid, pneumonia, common cold, amoebiasis, ring worm) and their control; Basic concepts of immunology - vaccines; cancer, HIV and AIDS; Adolescence - drug and alcohol abuse |
| Chapter-8 | Microbes in Human Welfare: Microbes in food processing, industrial production, sewage treatment, energy generation, and microbes as bio-control agents and bio-fertilizers. Antibiotics: production and judicious use |
CUET Biology Syllabus: Unit IV Biotechnology and its Applications
| Chapter | Topics |
|---|---|
| Chapter-9 | Biotechnology: Principles and Processes Genetic Engineering (Recombinant DNA Technology) |
| Chapter-10 | Biotechnology and its Applications Application of biotechnology in health and agriculture: Human insulin and vaccine production, stem cell technology, gene therapy; genetically modified organisms - Bt crops; transgenic animals; biosafety issues, biopiracy, and patents |
CUET Biology Syllabus: Unit V Ecology and Environment
| Chapter | Topics |
|---|---|
| Chapter-11 | Organisms and Populations Population interactions - mutualism, competition, predation, parasitism; population attributes - growth, birth rate and death rate, age distribution. (Topics excluded: Organism and its Environment, Major Abiotic Factors, Responses to Abiotic Factors, Adaptations) |
| Chapter-12 | Ecosystems: Patterns, components, productivity and decomposition, energy flow, pyramids of number, biomass, energy (Topics excluded: Ecological Succession and Nutrient Cycles) |
| Chapter-13 | Biodiversity and Conservation Biodiversity-Concept, patterns, importance; loss of biodiversity; biodiversity conservation; hotspots, endangered organisms, extinction, Red Data Book, Sacred Groves, biosphere reserves, national parks, wildlife, sanctuaries, and Ramsar sites |
Also Check
Ques. What is the syllabus of Biology for CUET?
Ans. CUET syllabus is based on a total of 5 units. From these 5 units, there are a total of 13 chapters. Units included in the CUET Biology syllabus are listed below.
- Reproduction
- Genetics and Evolution
- Biology and Human Welfare
- Biotechnology and Its Applications
- Ecology and Environment
Ques. Is CUET Biology NCERT-based?
Ans. Most of the CUET Biology 2026 syllabus is NCERT-based. Around 50-60% questions are directly extracted from the NCERTs. Students can prefer NCERT textbooks for Biology while preparing for CUET Biology exam.
Ques. How many chapters are there in CUET Biology?
Ans. As per the CUET Biology syllabus PDF 2026 released by NTA, there are a total of 13 chapters across 5 units.
CUET Biology Exam Pattern
The CUET UG 2026 Biology test is going to be held in Computer-Based Test (CBT) mode by the National Testing Agency (NTA). The test will include multiple-choice questions (MCQs), and a particular scheme of marks is allotted.
| Particulars | Details |
|---|---|
| Exam Mode | Computer-Based Test (CBT) |
| Exam Duration | 45 minutes |
| Total Questions | 50 questions |
| Question Type | Multiple-choice questions (MCQs) |
| Total Marks | 200 |
| Marking Scheme | (+5) for each correct answer |
| Negative Marking | (-1) for each incorrect answer |
| Syllabus Coverage | Based on NCERT Class 12 Biology |
| Medium of Exam | Available in multiple languages |
Also Read
Ques. How many questions are there in CUET Biology?
Ans. According to CUET Biology syllabus and exam pattern, there will be a total of 50 questions asked in CUET Biology question paper.
Ques. What are the marks of the CUET bio exam?
Ans. For each question in CUET Biology syllabus, you will get +5 marks if answered correctly. The total marks that you can score in CUET Biology question paper 2026 are 250.
Ques. Is CUET MCQ-based?
Ans. Yes, according to CUET Exam pattern, CUET Biology will be conducted in CBT mode with MCQ-based questions. The duration of the CUET Biology exam is 60 minutes.
CUET Biology Syllabus: Important Books
To prepare for CUET Biology, you can consider the following books for the CUET Biology syllabus.
| Books | Author |
|---|---|
| NCERT Biology Class 11 & 12 | NCERT |
| Trueman’s Elementary Biology Vol. 1 & 2 | K.N. Bhatia, M.P. Tyagi |
| Dinesh Objective Biology | K.N. Bhatia, K. Bhatia |
| Pradeep’s Objective Biology | P.S. Dhami, G. Chopra |
| Biology at Your Fingertips | Rahul Chawla |
| MTG NCERT at Your Fingertips – Biology | MTG Editorial Board |
| 40 Days Biology for NEET & CUET | S. Chakravarty |
| Arihant CUET Biology Guide | Arihant Experts |
Check Here
Ques. What books to read for CUET Biology?
Ans. Before starting the CUET Biology preparation, aspirants must gather relevant books to study for the examination. Students can consider the following books for CUET Biology preparation.
- Dinesh Objective Biology
- NCERT Biology Class 11 & 12
- Pradeep’s Objective Biology
- Biology at Your Fingertips
- Arihant CUET Biology Guide
CUET Biology Reduced Syllabus
The CUET UG 2026 Biology syllabus has been reduced, with certain topics from Unit-V: Ecology and Environment being deleted. The deletions are primarily on population interactions, abiotic factors, ecological succession, and nutrient cycles, lowering the content burden for students.
| Unit-V Ecology and Environment | |
|---|---|
| Chapter | Topics Excluded |
| Chapter-11: Organisms and Populations, Population Interactions |
|
| Chapter-12: Ecosystems |
|
CUET Biology Important Topics
CUET Biology important topics are the topics with the highest weightage. As per the CUET Biology topic-wise weightage, students can consider the below mentioned topics to be the most important topics in CUET Biology.
| Topics | Number of questions |
|---|---|
| Sexual Reproduction in Flowering Plants | 4-5 |
| Principles of Inheritance and Variation | 4-5 |
| Molecular Basis of Inheritance | 7-8 |
| Biotechnology – Principles & Processes | 4-5 |
CUET Biology Syllabus: Previous Years Papers
To understand the CUET Biology syllabus and what is being asked in the CUET Biology question paper, you must go through the CUET Biology previous years’ papers. You can go through the tables below to check the CUET previous years’ papers.
CUET Biology 2025 Question Paper
| CUET Biology 2025 Question Paper | Download Here |
|---|
CUET Biology 2024 Question Paper
| CUET Paper | Download PDF |
|---|---|
| CUET 2024 Biology Question Paper Set A with Answer Key | Download Here |
| CUET 2024 Biology Question Paper Set B with Answer Key | Download Here |
| CUET 2024 Biology Question Paper Set C with Answer Key | Download Here |
| CUET 2024 Biology Question Paper Set D with Answer Key | Download Here |
CUET 2023 Biology Question Paper
| Exam Date and Slot | Question Paper |
|---|---|
| July 2 Shift 3 | Download Here |
| June 23 Shift 3 | Download Here |
| June 15 Shift 1 | Download Here |
| June 7 Shift 1 | Download Here |
CUET 2022 Biology Question Paper
| CUET Biology 2022 Question Paper | Download Here |
|---|
Also Read
CUET Biology Syllabus: Preparation Tips
To prepare for CUET Biology 2026 effectively, students can follow the CUET Biology preparation tips listed below.
- Before starting the CUET 2026 preparation, check the CUET syllabus 2026 for Biology thoroughly.
- Collect relevant CUET Biology study material and CUET Biology books covering the whole CUET syllabus for Biology.
- Prepare a study plan for CUET Biology and follow it regularly.
- Use CUET Biology previous years’ papers and questions to understand the CUET Biology exam pattern, type of questions, difficulty level, etc.
- Attempt CUET mock tests after each topic, chapter, and also full-length mock tests to improve time management and identify weak areas.
Also Read
CUET Biology Syllabus FAQs
Ques. What is the syllabus for CUET Biology?
Ans. CUET Biology syllabus is mostly based on the NCERT class 12 chapters and topics. The CUET Biology syllabus includes 5 units, and these units are further divided into a total of 13 chapters. CUET Biology units and chapters are mentioned in the table below.
| CUET Biology Units | CUET Biology Chapters |
|---|---|
| Reproduction |
|
| Genetics and Evolution |
|
| Biology and Human Welfare |
|
| Biotechnology and Its Application |
|
| Ecology and Environment |
|
Ques. Which books should I use for CUET Biology?
Ans. There are many books available that students can use to prepare for CUET Biology syllabus. You can use the books mentioned below for CUET Biology exam preparation.
| Books | Author/Publisher |
|---|---|
| NCERT Biology | NCERT |
| Trueman’s Elementary Biology Vol. 1 & 2 | K.N. Bhatia, M.P. Tyagi |
| Dinesh Objective Biology | K.N. Bhatia, K. Bhatia |
| Pradeep’s Objective Biology | P.S. Dhami, G. Chopra |
| Biology at Your Fingertips | Rahul Chawla |
| MTG NCERT at Your Fingertips – Biology | MTG Editorial Board |
| 40 Days Biology for NEET & CUET | S. Chakravarty |
| Arihant CUET Biology Guide | Arihant Experts |
Ques. Is NCERT enough for CUET Biology?
Ans. No, most of the questions are directly or indirectly asked from the NCERT Biology book. However, students can expect many questions (around 40%) from outside NCERT Biology book.
Ques. Do NEET and CUET have the same syllabus for Biology?
Ans. No, NEET and CUET have different syllabus, with NEET requiring candidates to prepare both class 11th and class 12th Biology syllabus and CUET requiring candidates to prepare only class 12th Biology syllabus. Moreover, NEET Biology syllabus is more complex and difficult than CUET Biology syllabus.
Ques. What is the pattern of CUET Biology exam?
Ans. According to CUET exam pattern for Biology, the examination will be conducted in online/CBT mode. There will be a total of 50 questions asked in CUET Biology syllabus. You can score a maximum of 250 marks with 5 marks for each question in CUET Biology question paper. Duration of CUET Biology exam is 60 minutes.
Ques. How many marks is biology in CUET?
Ans. The CUET UG 2026 Biology examination is held for a total of 250 marks. It contains 50 multiple-choice questions (MCQs), and the candidates are required to attempt all questions. The marking pattern consists of +5 marks for a correct response and -1 marks for an incorrect response.
CUET Biology Marking Scheme 2026
| Particulars | Details |
|---|---|
| Total Questions | 50 |
| Total Marks | 200 |
| Marks per Correct Answer | +5 |
| Negative Marking | -1 for each wrong answer |
| Unattempted Questions | No marks deducted |
Ques. Can a PCB Student Give CUET?
Ans. Yes, a PCB (Physics, Chemistry, Biology) student can attempt CUET UG 2026 and apply for different undergraduate courses in medicine, life sciences, agriculture, and allied sciences.
CUET allows candidates to opt for certain subjects. PCB students will be able to choose Biology, Chemistry, and Physics without mathematics.
Courses PCB Students Can Apply for Through CUET
| Stream | Popular Courses |
|---|---|
| Medical & Allied Sciences | B.Sc. Nursing, BPT, B.Pharm, BDS, BAMS, BHMS |
| Life Sciences & Biotechnology | B.Sc. in Microbiology, Biochemistry, Biotechnology |
| Agricultural Sciences | B.Sc. Agriculture, Forestry, Environmental Science |
| Psychology & Research | B.Sc. Psychology, Neuroscience |
| Paramedical & Allied Health | B.Sc. Radiology, Medical Lab Technology, Nutrition |
*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.
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