CUET Biology Syllabus 2026: Important Topics and Chapters

Overview: Knowing the CUET Biology syllabus 2026 in detail is essential for pursuing UG science courses and specializations in biology through CUET. Download the CUET Bio syllabus pdfs to schedule your study plan accordingly and score 200/200 on the exam.

Biology is one of the domain subjects in CUET required to pursue UG courses in Science and medicine. The CUET Biology Syllabus 2026 is vast and needs to be covered strategically to score full marks. 

• The Biology exam will be conducted in online (CBT) mode for 60 minutes. 
• The paper will be worth 250 marks. You must attempt 50 questions out of 50 in the exam.

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CUET Biology Syllabus 2026: 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.

Link for CUET UG Biology Syllabus PDF Free Download 

Here is the link to download the CUET Syllabus for Biology PDF in English: 

CUET 2026 Biology Syllabus PDF in English Version

Detailed CUET Biology Syllabus 2026 (Biology/Biological Studies/Biotechnology/ Biochemistry)

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. 

• Chapter-1: Sexual Reproduction in Flowering Plants Flower structure; development of male and female gametophytes; pollination - types, agencies and examples; out breeding 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 dispersal and fruit formation.
• Chapter-2: Human Reproduction Male and female reproductive systems; microscopic anatomy of testis and ovary; gametogenesis -spermatogenesis and oogenesis; menstrual cycle; fertilisation, embryo development upto blastocyst formation, implantation; pregnancy and placenta formation (elementary idea); parturition (elementary idea); lactation (elementary idea).
• Chapter-3: 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)

Access CUET Biology Syllabus based sample papers 2026

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. 

• Chapter-4: Principles of Inheritance and Variation 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 and honey bee; 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.
• Chapter-5: 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, Human and rice genome projects; DNA fingerprinting.
• Chapter-6: Evolution Origin of life; biological evolution and evidences for biological evolution (paleontology, comparative anatomy, embryology and molecular evidences); 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's principle; adaptive radiation; human evolution.

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Unit III: Biology and Human Well-being

The CUET Biology syllabus for this unit includes 2 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. 

• Chapter-7: Human Health and Disease Pathogens; parasites causing human diseases (malaria, dengue, chikungunya, filariasis, ascariasis, typhoid, pneumonia, common cold, amoebiasis, ring worm) and their control; Basic concepts of immunology - vaccines; cancer, HIV and AIDS; Adolescence - drug and alcohol abuse.
• Chapter-8: Microbes in Human Welfare, Microbes in food processing, industrial production, sewage treatment, energy generation and microbes as bio-control agents and bio-fertilizers. Antibiotics; production and judicioususe.

Unit IV: Biotechnology and its 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.

• Chapter 9: Biotechnology: Principles and Processes Genetic Engineering (Recombinant DNA Technology).
• Chapter-10: Biotechnology and its Applications Application of biotechnology in health and agriculture: Human insulin and vaccine production, stem cell technology, gene therapy; genetically modified organisms - Bt crops; 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 CUET Biology important topics. 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 syllabus for Biology. 

• Chapter-11: Organisms and Populations Population interactions - mutualism, competition, predation, parasitism; population attributes - growth, birth rate and death rate, age distribution. (Topics excluded: Organism and its Environment, Major Aboitic Factors, Responses to Abioitic Factors, Adaptations)
• Chapter-12: Ecosystem Ecosystems: Patterns, components; productivity and decomposition; energy flow; pyramids of number, biomass, energy (Topics excluded: Ecological Succession and Nutrient Cycles).
• Chapter-13: Biodiversity and Conservation Biodiversity-Concept, patterns, importance; loss of biodiversity; biodiversity conservation; hotspots, endangered organisms, extinction, Red Data Book, Sacred Groves, biosphere reserves, national parks, wildlife, sanctuaries and Ramsar sites.

Can a Biology student apply for CUET?

You can apply for the exam if you meet the eligibility requirements. The eligibility requirements for maximum CUET 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 50-55% or its equivalent grade in the aggregate for the General category
• A score of at least 45-50% or its equivalent grade for the SC/ST/OBC/PWD/EWS categories.

The eligibility requirements for CUET Courses list 2026 in Biology/ Biotechnology remain the same, and in addition to the above points, it requires Biology as one of the optional subjects,

5 Tips on How to Prepare for CUET Biology Syllabus 2026

CUET Exam Pattern 2026: Overview 

The CUET exam will take place in 13 languages tentatively during the 2nd or 3rd week of May 2026. Biology is among the highly popular subjects chosen by lakhs of aspirants in CUET. 

A quick overview of the exam pattern and CUET syllabus for biology students is given in the table below: 

• The exam will be conducted online.
• You must answer 50 questions in the question paper. 
• No marks will be awarded or deducted for any unattempted question.

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	50
Total Marks in Biology	250
Marking Scheme	5 marks for each right answer -1 for each wrong answer
Question Type	MCQ
Exam time duration	60 minutes

Check: CUET Biology Question Papers

CUET Biology Syllabus 2026: Study Tips for Guaranteed Success

Even though just five different units make up the 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 biology CUET syllabus 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. 

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Quick Expert Tips For CUET Biology Syllabus Preparation 2026

1- Become familiar with the Exam Schedule 

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

2- 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.

3- 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 and prepare the CUET Biology syllabus, you must be dedicated, disciplined, and hardworking.

4- 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.

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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 in the biology syllabus for CUET 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 syllabus biology.

Check: List of Top CUET BTech Colleges 2026

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