CUET Biology Syllabus 2026

Are you considering taking Biology for CUET UG? Great Choice! Biology is not just about rote learning but understanding life, starting from small cells to organisms to ecosystems. The CUET UG Biology syllabus will cover the fundamental topics covered in your Class 11 and 12 NCERT textbooks that including genetics, evolution, human physiology, and many more topics.

The CUET UG Biology syllabus will assess your knowledge, but also your application of knowledge to the real world. If you want to pursue a career in medicine, research, or biotechnology, gaining a better understanding of this syllabus will be the start of your journey. In this article, we will break down the CUET UG Biology Syllabus for you to prepare effectively and efficiently.

CUET UG Biology Syllabus 2026

CUET is a national-level entrance examination conducted by the National Testing Agency (NTA) for students who want to seek admission in undergraduate courses in colleges and universities across India. Biology is one of the most popular subjects in CUET and needs to be prepared properly with focus. 

If you're planning to pursue a course that has Biology as one of the subjects, you should identify the complete syllabus of Biology as defined by the NTA. The NTA publishes the CUET Biology syllabus as a PDF file on its official website. It includes major topics such as reproduction, ecology, health, and biotechnology. CUET 2026 is planned to be conducted in May, through a Computer-Based Test. 

CUET UG Zoology Syllabus

Here’s a quick look at the Zoology topics included in the CUET syllabus! From the basics of animal life to advanced concepts like genetics, evolution, and ecosystems, this syllabus covers it all. You'll explore how animals function, grow, and interact with their environment. It's perfect for students curious about the animal world and eager to dive deeper into the wonders of Zoology.

• Origin of Life
• Organic Evolution
• Mechanism of Organic Evolution
• Human Genetics and Eugenics
• Applied Biology
• Mammalian Anatomy (Eg, Rabbit)
• Animal Physiology
• Comparison between Periplaneta and Blatta

CUET UG Botany Syllabus

Discover the amazing world of plants with the CUET Botany syllabus! It covers everything from plant structure and growth to photosynthesis, reproduction, genetics, and ecology. You’ll learn how plants live, adapt, and support life on Earth. Whether you're fascinated by flowers or curious about plant cells, this syllabus gives you a solid foundation to explore the science behind plant life in a fun and meaningful way.

• Plant Cell
• Protoplasm
• Ecology
• Ecosystem
• Genetics
• Seeds in angiosperm plants
• Fruits
• Cell Differentiation Plant Tissue
• Anatomy of Root, Stem, and Leaf
• Important phylums
• Soil
• Photosynthesis

CUET UG Detailed Biology Syllabus 

The CUET Biology syllabus covers 14 chapters, grouped into 5 main units. It’s designed to give students a clear understanding of key biology topics. If you're preparing for the CUET exam, check out the full syllabus to know exactly what to study and stay ahead. Explore the detailed CUET Biology syllabus now for smart and focused preparation.

Unit I: Reproduction

• Chapter 1 - Reproduction in organisms: Reproduction, a characteristic feature of all organisms for the continuation of species; Modes of reproduction –Asexual and sexual; Asexual reproduction; Modes- Binary fission, sporulation, budding, gemmule, fragmentation; vegetative propagation in plants.
• Chapter 2 - 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.
• Chapter 3 - 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 (Elementary idea); Lactation (Elementary idea).
• Chapter 4 - 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 and Evolution

• Chapter 5 - 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, honeybee; Linkage and crossing over; Sex-linked inheritance- Haemophilia, Colour blindness; Mendelian disorders in humans– Thalassemia; Chromosomal disorders in humans; Down syndrome, Turner’s and Klinefelter’s syndromes.

• Chapter 6 - 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 and human genome project; DNA fingerprinting.

• Chapter 7 - Evolution: 

Origin of life; Biological evolution and evidence for biological evolution (Paleontological, comparative anatomy, embryology, and molecular evidence); 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’sprinciple; Adaptive Radiation; Human evolution.

Unit III: Biology and Human Welfare

• Chapter 8 - 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. 

• Chapter 9 - Improvement in food production: 

Plant breeding, tissue culture, single cell protein, Biofortification, Apiculture, and Animal husbandry.

• Chapter 10 - Microbes in human welfare: 

In household food processing, industrial production, sewage treatment, energy generation, and as biocontrol agents and biofertilizers.

Unit IV: Biotechnology and Its Applications

• Chapter 11 - 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.

• Chapter 12 - Ecosystems: 

Patterns, components, productivity, and decomposition, Energy flow, Pyramids of number, biomass, energy; Nutrient cycling (carbon and phosphorus); Ecological succession, Ecological Services– Carbon fixation, pollination, oxygen release.

• Chapter 13 - Biodiversity and its conservation: 

Concept of Biodiversity; Patterns of Biodiversity; Importance of Biodiversity; Loss of Biodiversity; Biodiversity conservation; Hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves, National parks, and sanctuaries.

• Chapter 14 - 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 UG Biology Exam Pattern 2026

The CUET UG Biology exam evaluates your understanding of fundamental topics in Zoology and Botany. The paper is comprised of multiple-choice questions from the Class 12 NCERT syllabus. It tests your knowledge base as well as speed and accuracy. The exam is computer-based and relatively straightforward; it makes the process of preparation more intentional and focused. The CUET exam pattern for Biology can be found in the table below.

Preparation Tips for CUET UG Biology Exam 2026

Check the CUET Preparation tips followed by most of the students appearing for the Biology exam below.

• Focus on NCERT Class 12 Biology, especially every line and diagram.
• Practice 30–50 MCQs along with the CUET UG Previous Year Question Paper daily from different chapters.
• Make one-page notes for each chapter with key terms and diagrams.
• Revise at least two chapters every day—one strong, one weak.
• Use flashcards or sticky notes for tough definitions and examples.
• Solve previous year CUET papers to understand the pattern.
• Mark your mistakes and revise those topics again after 2–3 days.