CUET Biology Syllabus 2026 Topic Wise For Coming Exam
Candidates who are planning to get admission into BSc (H) Biology must refer to the latest CUET Biology Syllabus 2026 as the first phase of their preparation. The CUET Biology syllabus includes topics such as reproduction, biotechnology, ecology and environment, health and disease, and many more.
To beat the competition, students must prepare well and master all the topics included in the CUET UG Biology Syllabus. Stay tuned at the end of the page to get the detailed unit-wise breakdown of the CUET Biology Syllabus, its paper pattern, and best reference books.
CUET UG Biology Syllabus 2026
The National Testing Agency releases the CUET Syllabus for all the domains, languages, and general tests on its official website. Having a good understanding of the CUET Biology syllabus allows aspirants to identify which topics are required to study and helps them to make a proper strategy. Before moving to the CUET UG Biology syllabus in detail, let’s dive into the CUET Exam Pattern for Biology, including the number of questions, marking scheme and so on.
CUET Biology Exam Pattern
The CUET UG Biology Paper pattern is the same as all other domain-specific subjects. The exam is conducted in computer-based mode at the designated exam centres throughout the country. The biology comes under Section 2, having a total of 50 compulsory multiple-choice questions. The subject code for the CUET Biology Syllabus is 304. Refer to the table below for the key highlights of the CUET Biology exam at a glance.
| Particulars | Details |
| Mode of exam | Computer-Based Mode |
| Type of questions | Multiple Choice Questions (MCQs) |
| Total number of Questions | 50 questions (all compulsory) |
| Duration of Exam | 60 minutes |
| Total Marks | 250 (per subject) |
| Negative marking | Yes |
| Marking Scheme | Marks per correct answer: +5Marks per the wrong answer: -1Marks per unanswered question: 0 |
CUET Biology Syllabus Unit-wise Breakdown
The NTA-prescribed CUET Biology Syllabus is completed based on the Class 12 NCERT Curriculum. In the following section, we have discussed the unit-wise CUET UG 2026 biology syllabus for better understanding.
Unit-VI: Reproduction
| Topics | Sub Topics |
| 1. Sexual Reproduction in Flowering Plants: | Pre-fertilisation: structure and events – stamen, microsporangium and pollen grain, pistil, megasporangium and embryo sac; Development of male (microsporogenesis) and female gametophyte (megasporogenesis); Pollination – types, agents and examples; Outbreeding devices; Pollen-pistil interaction; Double fertilisation; Post fertilisation: structure and events – development of endosperm and embryo; Formation of seed and fruit and parthenocarpy; Significance of seed in angiosperms; Apomixis and polyembryony. |
| 2. Human Reproduction: | Male and female reproductive system; Microscopic anatomy of testis and ovary;Gametogenesis – spermatogenesis and oogenesis; Menstrual cycle; Fertilisation, embryo development up to blastocyst formation, implantation,Pregnancy and embryonic development and placenta; Parturition and lactation. |
| 3. Reproductive Health: | Problems and strategies – amniocentesis; Population stabilisation and birth control – various methods of contraception;Medical termination of pregnancy (MTP);Sexually transmitted infections (STIs); Infertility – Assisted reproductive technologies (IVF, ZIFT, GIFT, ICSI and IUI). |
Unit-VII: Genetics and Evolution
| Topics | Sub Topics |
| 1. Principles of Inheritance and Variation | Mendel’s law of inheritance: Inheritance of one gene – Law of dominance, law of segregation (test and back cross); Deviation from Mendelism – incomplete dominance and co-dominance; Multiple alleles and inheritance of blood groups; Inheritance of two genes – law of independent assortment, dihybrid cross; Chromosomal theory of inheritance; Linkage and recombination; Polygenic inheritance; Pleiotropy; Sex determination in humans, birds and honey bee; Mutation; Genetic disorders– pedigree analysis, Mendelian disorders (colour blindness, haemophilia, sickle-cell anaemia, Phenylketonuria and thalassemia), chromosomal disorders in humans (aneuploidy, polyploidy, Down’s syndrome, Turner’s syndrome and Klinefelter’s syndrome). |
| 2. Molecular Basis of Inheritance | Structure and packaging of DNA helix; Search for genetic material (transforming principle and Hershey-Chase experiment); Properties of genetic material;Replication (Meselson and Stahl’s experiment); Transcription – transcription unit and gene; RNA world – types of RNA and process of transcription; Genetic code and mutations; tRNA; Translation;Regulation of gene expression – Lac operon; Human Genome Project (goals, salient features and applications); DNA fingerprinting (polymorphism and VNTR). |
| 3. Evolution | Origin of life – Miller’s experiment; Concepts of evolution (Darwin’s contribution);Evidence for evolution (embryology, palaeontology, comparative anatomy, divergent and convergent evolution and industrial evolution); Adaptive radiation; Biological evolution; Natural selection; Mechanism of evolution; Hardy-Weinberg principle and affecting factors (gene migration, genetic drift, mutation, recombination and natural selection);Evolution of plants and vertebrates through geological periods; Origin and evolution of man. |
Unit-VIII: Biology and Human Welfare
| Topics | Sub Topics |
| 1. Human Health and Disease | Introduction about health; Common diseases in humans (typhoid, pneumonia, common cold, malaria, amoebiasis, ascariasis, filariasis and ringworms);Immunity – innate and acquired immunity, active and passive immunity, vaccination and immunisation, allergies, autoimmunity, and the immune system in human;AIDS; Cancer; Drugs and alcohol abuse – adolescence, addiction, effects of drug abuse, prevention and control. |
| 2. Microbes in Human Welfare | Microbes in household products; Microbes in industrial products – beverages, antibiotics, enzymes and bioactive molecules;Microbes in sewage treatment and production of biogas, Microbes as biocontrol agents and biofertilisers. |
Unit-IX: Biotechnology and its Applications
| Topics | Sub Topics |
| 1. Biotechnology | Principles and Processes: Principles of biotechnology; Tools of recombinant DNA technology – restriction enzymes, cloning vectors, competent host; Processes of rDNA technology – isolation, amplification of gene (PCR), insertion of rDNA in host and bioreactors; Downstream processing. |
| 2. Biotechnology and Its Applications | Application of biotechnology in agriculture – tissue culture, genetically modified organisms, Bt cotton, RNA interference; Biotechnology in medicine – insulin, gene therapy and molecular diagnosis; Transgenic animals; Ethical issues – biopiracy and patents. |
Unit-X: Ecology and Environment
| Topics | Sub Topics |
| 1. Organisms and Populations | Population attributes – birth and death rate, age pyramids; Population growth – exponential and logistic growth; Life history variation; Population interactions – predation, competition, parasitism, commensalism, mutualism and amensalism. |
| 2. Ecosystem | Structure and function; Productivity; Decomposition; Energy flow – different trophic levels, food chain and food web; Ecological pyramids – pyramid of energy, biomass and number. |
| 3. Biodiversity and Conservation | Biodiversity – concept, patterns and importance; Causes of biodiversity loss; Biodiversity conservation – approaches (narrowly utilitarian, broadly utilitarian and ethical); Methods of biodiversity conservation – in situ (endemism, hotspots and sacred groves, etc.), ex situ (Wildlife safaris, zoological parks and cryopreservation, etc.) |
Download CUET UG Biology Syllabus 2026 PDF
To track your preparation in a timely manner, you should download the CUET Biology Syllabus PDF and take a printout of the same. You can download the CUET Biology Syllabus PDF by simply clicking the direct link shared below.
Download CUET 2026 Biology Syllabus PDF
Reference Books for CUET Biology Preparation.
Candidates who have chosen Biology as their domain topic should refer to CUET books designed specifically for the Biology exam in order to prepare and score well. Here are some of the top books that students can use for exam preparation:
- NCERT Class 12 Biology Textbook.
- Pradeep’s A Text Book of Biology for Class 12 by P.S. Dhami
- S. Chand’s Biology and Campbell and Reece’s Biology are complementary.
- S. Chand’s Biology for Class XII, by B.P. Pandey
