Overview: Get ahead with your Common University Entrance Test preparations with a precise understanding of the CUET biology syllabus 2025. Equip yourself for success with this comprehensive guide.

The Common University Entrance Test (CUET) is an essential examination for students eager to pursue their higher studies in leading CUET-participating universities.

Among the several subjects it evaluates, biology holds significant importance for life sciences, medical, and allied disciplines.

Being equipped with a thorough knowledge of the syllabus is crucial, not just to ensure a targeted approach but also to gain an edge in the competition.

In this article, we will explore the CUET Biology syllabus 2025 to help aspirants streamline their preparation journey. 

Download Free Study Materials for CUET 2025 by cuet.com

CUET Biology Syllabus 2025 PDF Download

There will be one Question Paper which will have 50 questions, out of which 40 questions need to be attempted. 

The CUET Biology syllabus PDF download and the CUET Biology Syllabus in Hindi can also be found on the official website of CUET UG and the links below.

Download the CUET Biology Syllabus 2025 in Hindi

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Key Components of the CUET Biology Syllabus 2025 

CUET Biology Syllabus 2025 has only 5 units to be covered from the CUET exam point of view.

The important units and subtopics for CUET Biology Syllabus 2025 are as follows - 

Unit I: Reproduction 

Reproduction in organisms

Reproduction is 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. 

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Sexual reproduction in flowering plants

Flower structure; Development of male and female gametophytes;

Pollination–types, agencies and examples; Out breeding's 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. 

Check: CUET Chemistry Syllabus

Human Reproduction

Male and female reproductive systems; Microscopic anatomy of testis and ovary; 

Gametogenesis- spermatogenesis & oogenesis; Menstrual cycle;

Fertilization, embryo development up to blastocyst formation, implantation; Pregnancy and placenta formation (Elementary idea);

Parturition (Elementary idea); 

Lactation (Elementary idea) 

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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) 

Check: CUET General Test Syllabus

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 disordersin humans; Down’s syndrome, Turner’s and linefelter’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; Gene expression and regulation – Lac Operon; Genome and human genome project; DNA fingerprinting. 
• 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; Geneflow and genetic drift; Hardy-Weinberg’s principle; Adaptive Radiation; Human evolution 

Check: How Many Domain Subjects are Compulsory in CUET 2025 Exam

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 Animal husbandry. 
• Microbes in human welfare: In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilizers. 

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Unit IV: Biotechnology and Its Applications 

• Principles and process of Biotechnology: Genetic engineering (Recombinant DNA technology). 
• Application of Biotechnology in health and agriculture: Human insulin and vaccine production, gene therapy; Genetically modified organisms-BT crops; Transgenic Animals; 
• Biosafety issues – Biopiracy and patents. 

Unit V: Ecology and Environment 

• 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); Ecological succession; Ecological Services– Carbon fixation, pollination, oxygen release. 
• 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. 
• 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. 

Check: CUET Subject List 2025 

Conclusion

 The CUET Biology Syllabus 2025 covers both fundamental and advanced biological concepts, so candidates must approach their preparations strategically and with precision.

Students may maximize their academic performance and set themselves on the road to success by anticipating challenges and focusing on the right areas. You will surely be on the correct track if you are dedicated, persistent, and have a solid understanding of the curriculum.

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Key Takeaways:

• The CUET Biology Syllabus 2025 comprises five units covering fundamental and advanced biological concepts.
• Candidates must attempt 40 out of 50 questions in the CUET Biology exam.
• Topics within units such as Reproduction, Genetics and Evolution, Biology and Human Welfare, Biotechnology and Its Applications, and Ecology and Environment should be studied thoroughly.
• Regular practice and understanding of core concepts are key to performing well in the CUET Biology exam.

Prepare with: CUET Mock Tests 2025