CUET Biology Syllabus 2025: Important Topics and Chapters

Overview: Knowing the CUET Biology syllabus 2025 in detail is essential for pursuing UG science courses and specializations in biology through CUET. Download the syllabus pdfs to schedule your study plan accordingly and score 200/200 on the exam.

Biology is one of the 29 domain subjects in CUET required to pursue UG courses in Science and medicine. The CUET Biology Syllabus 2025 is vast and needs to be covered strategically to score full marks. 

• The Biology exam will be conducted in pen and paper mode (offline) for 45 minutes. 
• The paper will be of 200 marks. You must attempt 40 questions out of 50 in the exam.

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CUET Biology Syllabus & Exam Pattern 2025: Overview 

The CUET Exam will take place in 13 languages tentatively during the 2nd or 3rd week of May 2025. Biology is among the highly popular subjects chosen by lakhs of aspirants in CUET. 

A quick overview of the exam pattern and syllabus is given in the table below: 

• The exam will be conducted online.
• You must answer 40 questions out of 50 on the question paper. 
• No marks will be awarded or deducted if you attempt more than 40 questions.

Particulars	Details
Medium of Exam	English, Hindi, Assamese, Tamil, Telugu, Kannada, Malayalam, Odia, Bengali, Marathi, Gujarati, Punjabi and Urdu
CUET Biology Total Questions	50
Questions needed to be answered	40
Total Marks in Biology	200
Marking Scheme	5 marks for each right answer -1 for each wrong answer
Question Type	MCQ
Exam time duration	45 minutes

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CUET Biology Syllabus 2025: Highlights 

Many courses require Biology as a mandatory subject to be filled out while filling out the CUET application form. The syllabus is different from other courses and requires a competitive approach. 

• The biology course outline consists of five modules, each described more deeply in the attached CUET Biology Syllabus PDF.
• You must be familiar with and thoroughly understand the syllabus. This will ensure you do not overlook any topics and adhere to a consistent format.
• By reviewing the CUET UG Biology syllabus, you can better determine which topics need to be covered initially and which need to be addressed later.
• After understanding the syllabus, devise an appropriate study schedule.

Links for CUET Biology Syllabus PDF Free Download 

Here are the links to download the CUET biology syllabus in Hindi & English: 

English Version

Hindi Version

Detailed CUET Biology/Biological Studies/Biotechnology/ Biochemistry Syllabus 2025

Note: There will be one Question Paper with 50 questions, of which 40 must be attempted.

Unit I: Reproduction

The CUET exam analysis for biology shows that this unit's difficulty level has increased. Around 13 questions were asked in the 2024 Biology exam, making it one of the high-weightage units in the CUET Biology Syllabus. 

• Reproduction in organisms: Reproduction, a defining property of organisms for species survival; Asexual and sexual reproduction; asexual reproduction. Binary fission, sporulation, budding, gemmule, and fragmentation; vegetative propagation of plants.
• Reproduction sexual in blooming plants: Development of male and female gametophytes; Flower structure Pollination - kinds, agencies, and illustrations; Outbreeding tools; Pollen-Pistil relationship; Double fertilisation; Post-fertilization events – endosperm and embryo development, seed development, and fruit creation; Special reproduction modes - apomixis, parthenocarpy, and polyembryony; Significance of seed and fruit formation.
• Reproduction in humans: male and female reproductive systems; Microanatomy of the testis and ovaries; Gametogenesis-spermatogenesis and oogenesis; Menstrual cycle; Fertilization, embryo development up to blastocyst formation and implantation; Pregnancy and placenta development (fundamental concept); Parturition (Elementary idea); Lactation (Elementary idea).
• Reproductive health: Necessity of reproductive health and prevention of sexually transmitted diseases (STD); Birth control- Necessity and Methods, Contraception and Medical Termination of Pregnancy (MTP); Amniocentesis; Infertility and assisted reproductive technologies – IVF, ZIFT, GIFT (Elementary idea for general awareness).

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Unit II: Genetics and Evolution

This is one of the most important units of the CUET Biology Syllabus. The previous year's exam covered around 9 questions from this unit. Thus, using CUET mock tests and previous year's papers to practice is a score-boosting strategy. 

• Heredity and Variation: Mendelian Inheritance, Deviations from Mendelism - Incomplete dominance, Co-dominance, Multiple alleles, Blood Group Inheritance, Pleiotropy; the Basic concept of polygenic inheritance; Chromosome theory of heredity; Chromosomes and genes; Sex determination–In humans, birds, and honeybees; Linkageandtransgression; Haemophilia and colour blindness are sex-related inherited conditions. Human Mendelian disorders – Thalassemia; human chromosomal disorders Down's syndrome; Turner's Klinefelter's syndromes.
• The Molecular Basis of Heredity: DNA as genetic material subject to research; DNA and RNA structure; DNA packing; DNA replication; the central dogma; transcription, genetic code, translation; Lac Operon; the Human Genome and Genome Project; DNA fingerprinting.
• Evolution: Origin of life, Biological evolution and evidence for biological evolution (paleontological, comparative anatomy, embryological, and molecular evidence); Darwin's contribution and the modern synthetic theory of evolution; Mechanism of evolution– Variation (Mutation and Recombination) and Natural Selection with examples, kinds of natural selection; Geneflow and genetic drift; Hartley'sprinciple; Human Evolution; Adaptive Radiation

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Unit III: Biology and Human Well-being

The CUET Biology syllabus for this unit includes 3 subtopics. The right CUET study plan will help you memorize this unit better. Don't forget to revise it regularly, as it has more short topics that must be fresh in your mind until the exam. 

• Health and Illness: Pathogens; parasites that cause human disease (Malaria, Filariasis, Ascariasis, Typhoid, Pneumonia, the common cold, amoebiasis, and ringworm); Immunology fundamentals–vaccines; Cancer, HIV and AIDS; Adolescence and substance misuse.
• Enhancing food production: Plant breeding, tissue culture, single-cell proteins, biofortification; apiculture and animal husbandry.
• Microbes in human welfare: In-home food processing, industrial manufacturing, sewage treatment, and energy generation.

Unit IV: Biotechnology Applications

Identify your weaknesses and learn tips to overcome them while preparing the CUET Biology Syllabus. Solve CUET previous year question papers to improve speed and accuracy. Analyze your performance after attempting every mock test or sample paper to know your progress.

• The fundamentals and procedures of biotechnology: Genetic engineering (Recombinant DNA technology).
• Biotechnology's applications in health and agriculture: Human insulin and vaccine manufacturing, gene treatment; genetically modified organisms (Bt crops and transgenic animals); 
• Transgenic Animals: Biosafety issues- Biopiracy and patents.

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Unit V: Ecology and Environment

With around 12 questions in the previous year's exam, this unit covers many important CUET Biology questions. If you work through the questions from the previous year, your self-assurance will increase, and you will better understand your capabilities and easily cover the CUET Biology syllabus. 

• Organisms and environment: Habitat and niche with organisms and their surroundings; Population and environmental adjustments; Population interactions, including mutualism, competition, predation, and parasitism; Population characteristics, including growth, birth and death rates, and age distribution.
• Ecosystems: Patterns, components, productivity, and disintegration of ecosystems, energy flow, number, biomass, and energy pyramids, cycles of nutrients (carbon and phosphorus), ecological succession, carbon fixation, pollination, and oxygen release are all examples of ecological services.
• The conservation of biodiversity: The concept of Biodiversity, Biodiversity Patterns, the importance of Biodiversity, Biodiversity Loss, and conservation of biodiversity hotspots, endangered species, extinction, the Red Data Book, biosphere reserves, national parks, and sanctuaries are all included in this list.
• Environmental issues: Air pollution and its control; water pollution and its control; agrochemicals and their impacts; solid waste management; radioactive waste management; the greenhouse effect and global warming; ozone depletion; and deforestation. 

Check: CUET Study Plan 2025 to score 100%

Can a Biology student apply for CUET?

You can apply for the exam if you meet the eligibility requirements. The eligibility requirements for all universities are listed below:

• 10 + 2 in Science or its equivalent from any recognised board in India, with Biology as one of the optional subjects,
• A score of at least 50% or its equivalent grade in the aggregate for the General category
• A score of at least 45% or its equivalent grade for the SC/ST/OBC/PWD/EWS categories.

The eligibility requirements for CUET courses in Biology/ Biotechnology remain the same, and in addition to the above points, it requires Biology as one of the optional subjects,

Check: CUET Courses list 2025

Detailed CUET Biology Study Plan to score 200/200

CUET Biology Syllabus Study Advice

Even though just five different units make up the CUET Biology syllabus, it does not mean you should breeze through this topic. The syllabus of CUET biology may become extensive if you investigate these five sections' specifics.

• Read the expert-recommended CUET Preparation Books and the exam study material pdf to increase your chances of passing
• The CUET Exam is based on the curriculum of Class 12, so it is strongly recommended that you read the NCERTs with great care and attention to detail.
• Because biology is a conceptual and theoretical field of study, you must ensure that all your concepts are clear.
• Additionally, you must ensure that you are well-versed in the biology diagrams, as any question might be derived from within the diagrams themselves.
• If you cannot continue with a question, try not to freak out and waste time on it, even if it comes from the unit for which you have prepared the most. 

Quick Expert Tips For CUET Biology Syllabus Preparation 2025

Become familiar with the Exam Schedule 

• Become familiar with the exam format & CUET Biology Syllabus.
• The CUET exam pattern outlines the exam format, the number of questions, and the associated marks.

Formulate the Appropriate Strategy

• Once you understand the exam format and content, the next phase in the exam preparation process is creating an exam plan that considers your strengths and weaknesses.
• To get excellent results, you need to master the already strong areas and enhance the already weak areas to increase your preparation and your chances of passing the test.

Put the Plan Into Action

• Simply putting together a study plan is insufficient to guarantee success on the exam.
• You must stick to the study schedule.
• To properly follow the strategy, you must be dedicated, disciplined, and hardworking.

Stay Calm & Revise numerous times

• Maintain their composure and do not overthink things.
• Revision for the CUET syllabus for biology students is necessary to succeed in the exam. 
• Before taking the test, you must comprehensively review each topic at least three to four times.

Check: Most Recommended CUET Preparation Books 2025

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Key takeaways

The CUET Biology syllabus covers many topics encompassing life's fascinating world and processes. 

• You must thoroughly understand the relevant approach to perform well on the Biology exam. 
• Focus on NCERTs mainly for conceptual understanding, but supplement your preparation with exemplars and recommended guides for practice. 
• Unit 1, Unit 2, and Unit 5 are the high-weightage units per the previous year's trends and analysis. 
• Attempt mock tests and sample papers in an exam-like environment to improve speed and accuracy. 
• Get your mocks and sample papers checked by experts for CUET to identify areas for improvement and gain a thorough understanding of the CUET exam biology syllabus.

Check: List of Top CUET BTech Colleges 2025

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