The National Testing Agency (NTA) has released the CUET UG 2025 Biology syllabus, which is now available for candidates to download from the official CUET website at nta.ac.in. This syllabus is an essential guide for students aiming to excel in the Biology section of the Common University Entrance Test (CUET) and pursue undergraduate programs in this field.
To prepare effectively, it’s crucial for CUET aspirants focusing on Biology to thoroughly review the syllabus before diving into their study plans. The syllabus provides a comprehensive overview of all the topics that will be tested in the CUET Biology exam, making it the cornerstone of your preparation strategy.
The CUET is designed for students seeking admission to undergraduate programs at Central Universities. It has three sections:
For candidates choosing Biology under Section II, the exam consists of 45-50 questions, of which they need to answer 35-40. The test carries a total of 200 marks. To ace this section, understanding the syllabus in detail is key to identifying and targeting the most important topics.
| CUET Biology Syllabus | |
| Conducting Body | National Testing Agency (NTA) |
| Exam Mode | Computer Based Test (CBT) |
| Time Allotted for Biology Exam | 45 Minutes |
| Total No. of Questions in Biology Exam | 45/50 Questions |
| Total Marks in Biology Section | 200 Marks |
| Marking Scheme | Correct answer: +5 Wrong answer: -1 Questions: 0 |
Unit I: Reproduction
Reproduction in organisms: Reproduction, a characteristic feature of all organisms for continuation of species; Modes of reproduction –Asexual and sexual; Asexual reproduction; Modes- Binary fission, sporulation, budding, gemmule, fragmentation; vegetative propagation in plants.
Sexual reproduction in flowering plants: Flower structure; Development of male and female gametophytes; Pollination–types, agencies and examples; Outbreedings 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 and fruit formation.
Human Reproduction: Male and female reproductive systems; Microscopic anatomy of testis and ovary; Gametogenesis- spermatogenesis & oogenesis; Menstrual cycle; Fertilisation, embryo development up to blastocyst formation, implantation; Pregnancy and placenta formation (Elementary idea); Parturition (Elementaryidea);Lactation (Elementaryidea).
Reproductive health: Need for reproductive health and prevention of sexually transmitted diseases(STD); 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 and Evolution
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–Inhumans, birds, honeybee; 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.
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; Geneexpression and regulation–Lac Operon; Genome and human genome project; DNA fingerprinting.
Evolution: Origin of life; Biological evolution and evidences for biological evolution (Paleontological, comparative anatomy, embryology and molecular evidence); Darwin’s contribution, Modern Synthetic theory of Evolution; Mechanismof evolution–Variation(Mutation andRecombination) and Natural Selection with examples, types of natural selection;Geneflowandgeneticdirft; Hardy-Weinberg’sprinciple;Adaptive Radiation;Humanevolution.
Unit III: Biology and Human Welfare
Health and Disease: Pathogens; parasites causing human diseases (Malaria, Filariasis, Ascariasis, Typhoid, Pneumonia, common cold, amoebiasis, ring worm); Basic concepts of immunology–vaccines;Cancer, HIV and AIDs;Adolescence, drug and alcohol abuse.
Improvement in food production: Plant breeding, tissue culture,single cell protein, Biofortification;Apiculture and Animalhusbandry.
Microbes in human welfare: In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilizers.
Unit IV: Biotechnology and ItsApplications
PrinciplesandprocessofBiotechnology:Geneticengineering(RecombinantDNAtechnology).
Application of Biotechnology in health and agriculture: Human in insulin and vaccine production, genetherapy; Genetically modified organisms-Bt crops;Transgenic Animals;Biosafety issues–Biopiracy and patents.
Unit V: Ecologyandenvironment
Organisms and environment: Habitat and niche; Population and ecological adaptations; Population interactions– mutualism, competition, predation, parasitism; Population attributes–growth, birth rate and death rate, age distribution.
Ecosystems: Patterns, components; productivity and decomposition; Energy flow; Pyramids of number,biomass, energy; Nutrient cycling (carbon and phosphorous); Ecologicalsuccession; EcologicalServices– Carbon fixation, pollination,oxygenrelease.
Biodiversityand its conservation: Concept ofBiodiversity;Patterns ofBiodiversity;Importance ofBiodiversity;Loss of Biodiversity; Biodiversity conservation; Hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves,National parks and sanctuaries.
Environmental issues: Air pollution and its control; Water pollution and its control; Agrochemicals and their effects; Solid waste management; Radioactive waste management; Greenhouse effect and global warming; Ozone depletion; Deforestation; Any three case studies as success stories addressing environmental issues.
CUET Biology Syllabus Download PDF
Here’s a sample list of subjects that biology students might encounter in the CUET syllabus:
The syllabus generally includes major topics like genetics, evolution, reproduction, human physiology, ecology, biotechnology, and plant biology.
While most topics are included, you should verify the official syllabus to ensure you are studying the right material.
The questions are generally of moderate difficulty, focusing on conceptual understanding rather than rote memorization.
Yes, understanding and practicing diagrams is crucial as they often aid in answering questions more effectively.
The time required depends on your comfort with the subject. Ideally, dedicate at least 2-3 hours daily for consistent preparation.
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