CUET Biology Syllabus 2026 was released on December 29, 2025 on the official CUET UG website. The National Testing Agency (NTA) conducts the CUET exam every year to provide admission to undergraduate courses such as BA, BSc, BCom, BFA, BA LLB, and others. Biology is one of the top-choice subjects for Science students, making it highly competitive. Therefore, candidates need to make their CUET preparation more effective and strategic.CUET application form 2026 was released on January 3, 2026 at cuet.nta.nic.in. Interested applicants aiming to pursue a degree in BSc Biology, Biological Sciences, Biotechnology, or Biochemistry must check the CUET eligibility criteria before applying.Test takers are advised to start their preparation well in advance to secure admission to their preferred CUET 2026 participating universities.
Candidates can download the CUET 2026 Biology syllabus PDF online by visiting the official CUET UG website. Check out this SciAstra article to know detailed CUET syllabus, important topics, recommended books, and preparation tips below:
CUET Biology Exam Pattern 2026
Check out the section wise CUET exam pattern 2026 from here:
Section | Number of Questions | Duration | Question Types |
Section IA – Language | 50 Questions | 60 minutes (for each chosen language) | Reading Comprehension based on different types of passages – Factual, Literary, and Narrative. Includes testing of Literary Aptitude and Vocabulary. |
Section II – Domain Specific Subjects | 50 Questions | 60 minutes | MCQs based on Class 12 NCERT syllabus. Input text may be provided for certain questions. |
Section III – General Test | 50 Questions | 60 minutes | MCQs based on:• General Knowledge & Current Affairs• General Mental Ability • Numerical Ability • Quantitative Reasoning (basic concepts of Arithmetic, Algebra, Geometry, Mensuration taught up to Grade 8) • Logical & Analytical Reasoning |
CUET 2026 Negative Marking Scheme
Check out the CUET UG 2026 marking scheme from here:
For every right answer marked by the candidate in the exam, +5 marks will be awarded to the candidate.
For every incorrect answer marked by the candidates in the examination, -1 mark will be deducted from the candidate.
If the candidate has not answered any question or marked it as the “Unanswered/ Marked for Review”, no marks will be deducted.
If more than one correct answer is found by the exam officials in the question paper, +5 marks will be awarded for the candidates who have marked any of the options of the particular question
CUET 2026 Biology Syllabus
CUET Biology syllabus 2026 comprises the topics mentioned by the exam officials on the official website, ie., cuet.nta.nic.in. Candidates who are interested in pursuing their graduation degree in Biology/Biological Science/Biotechnology/ Biochemistry can check out the complete detailed syllabus from here:
Unit I: Reproduction
Check out the chapters and list of important topics of Reproduction Chapter that the candidates preparing for the CUET Biology domain need to cover from below:
Chapter | Topic |
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). |
Unit II: Genetics & Evolution
Check out the chapters and list of important topics of Genetics and Evolution Chapter that the candidates preparing for the CUET Biology domain need to cover from below:
Chapter | Topic |
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. |
Unit III: Biology and Human Welfare
Check out the chapters and list of important topics of Biology and HUman Welfare Chapter that the candidates preparing for the CUET Biology domain need to cover from below:
Chapter | Topic |
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. |
Unit IV: Biotechnology and Its Application
Check out the chapters and list of important topics of Biology and its Application Chapter that the candidates preparing for the CUET Biology domain need to cover from below:
Chapter | Topic |
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. |
Unit V: Ecology and Environment
Check out the chapters and list of important topics of Ecology and Environment Chapter that the candidates preparing for the CUET Biology domain need to cover from below:
Chapter | Topic |
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 Aboitic Factors, Responses to Abioitic Factors, Adaptations) |
Chapter-12: Ecosystem | 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. |
CUET 2026 Biology Syllabus PDF
Since CUET 2026 notification was released on January 3, 2026 at cuet.nta.nic. With this notification, NTA released all the important details about CUET 2026. CUET 2026 Biology syllabus pdf is now available to download. SciAstra has provided the CUET Biology 2025 syllabus pdf below:
CUET Biology Syllabus PDF |
CUET 2026 Biology Book: Mock Test for Preparation
With each passing year, the competition level for the CUET 2026 exam is increasing, which makes it essential for candidates to score high to secure admission to their desired top NIRF-ranking colleges. A strategic preparation plan is required for candidates to achieve a good score in CUET 2026.
One of the best approaches for candidates is to attempt as many mock tests as possible, analyse high-weightage topics, and refer to chapter-wise notes for last-minute preparation tips.
To support candidates in their preparation, SciAstra, with the help of their academic team, has launched the CUET 2026 Biology Mock Test Book, which includes:
Latest PYQs with solutions
13 chapter-wise tests + 7 full mock tests
Chapter-wise notes
Topic-wise trend analysis from 2022–2025
Check your All India Rank
Latest CUET UG exam pattern
CUET Subject Wise Syllabus and Question Paper PDF
Candidates can check out the CUET Syllabus 2026 and CUET UG Previous Year Question Papers of Language Paper, CUET Domain Subjects and General Test from here:
Subject Name | CUET Syllabus PDF | CUET Question Paper PDF |
Section I (Language) | ||
English | ||
Hindi | ||
Section II (Domain Subjects) | ||
Accountancy | ||
Agriculture | ||
Anthropology | ||
Biology/Biological Science/Biotechnology/Biochemistry | ||
Business Studies | ||
Chemistry | ||
Environmental Science | ||
Computer Science | ||
Economics | ||
Fine Arts | ||
Geography | ||
History | ||
Home Science | ||
Knowledge Tradition Practices in India | ||
Mass Media/ Mass Communication | ||
Mathematics | ||
Performing Arts | ||
Physical Education | ||
Physics | ||
Political Science | ||
Psychology | ||
Sanskrit | ||
Sociology | ||
Section III (General Aptitude Test) | ||
General Aptitude Test | ||
CUET Biology Books for Preparation
Candidates must understand that before selecting any study materials for CUET 2026, a thorough understanding of exam structure and content is a prerequisite. There is absolutely no single book which can adequately address all aspects of the examination. Here is the list of some CUET Biology books options which a candidate can consider for efficient preparation.
Book Title & Publisher | Primary Function | Key Features | Targeted Use |
NCERT Class 12 Textbook | Foundational Theory |
| Initial study, continuous revision |
Oswaal NTA CUET (UG) Chapterwise Question Bank | Practice & Assessment |
| Reinforcement, revision |
Arihant Study Guides | Practice & Assessment | Quick revision notes, 3000+ MCQs, practice sets. | Concurrent practice, revision |
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