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NEET Biology 2025 Syllabus: The National Testing Agency (NTA) will conduct the NEET UG 2025 examination on May 04, 2025. The registration process for the NEET 2025 exam started on February 07, 2025, and the NEET 2025 registration date will end on March 07, 2025. It is a qualifying exam through which the aspirants can take admission in MBBS, BDS, BHMS, BAMS, BUMS, BSMS and BSc Nursing courses across India. Knowing the NEET 2025 syllabus and pattern in advance will assist the students in their preparation for the examination.
The candidate must have Physics, Chemistry and Biology as mandatory subjects in their HSC (12th) and 11th to be eligible for NEET 2025. The biology syllabus has the highest weightage among all the subjects in NEET 2025. A student aiming to crack the NEET examination must know the Biology syllabus thoroughly. This article will discuss the NEET 2025 Biology syllabus, section-wise marks, weightage and more details.
NEET Latest Updates 2025:
— The NEET application form submission started on February 07, 2025, and the NEET 2025 registration date will end on March 07, 2025.
— The National Testing Agency (NTA) will conduct the NEET 2025 Exam on May 04, 2025, in offline mode.
— Solve Embibe’s online NEET Mock Tests to score better in the exam.
Biology has the highest weightage in the NEET examination. It is crucial for students to understand the syllabus and prioritise their study plans to perform well in the exam. The NEET 2025 Biology syllabus consists of two sections: Botany and Zoology.
The Biology section in the NEET exam is crucial because it is the deciding factor in the final ranking. If more than one candidate gets the same overall marks, then the candidate with the highest marks in Biology will rank above the others. Before we dig into the NEET 2025 Biology syllabus, let us understand the NEET 2025 exam pattern:
| NEET 2025 Highlights | Details |
|---|---|
| Exam Name | National Eligibility cum Entrance Test (NEET) |
| NEET 2025 Exam Date | May 04, 2025 |
| NEET 2025 Registration Date | February 07, 2025 |
| Conducting Body | National Testing Agency (NTA) |
| Category Type | Undergraduate |
| Mode of Examination | Pen and Paper-based |
| Level | National Level |
| Question Type | MCQs |
| Courses | MBBS, BDS, BHMS, BAMS, BUMS, BSMS and BSc Nursing courses |
| Total Marks | 720 Marks |
| Language | English, Hindi, Assamese, Bengali, Gujarati, Marathi, Tamil, Telugu, Oriya, Kannada, and Urdu |
| Duration of Exam | 200 minutes (3 hours 20 minutes) |
| NEET Marking Scheme | Four marks for each correct answer -1 deducted for each wrong attempt |
| Official Website | neet.nta.nic.in |
Students can check out the detailed NEET Biology syllabus here released by NTA on its official website.
To score well in the NTA NEET 2025 examination, a candidate must have clarity about the Biology syllabus. The Biology syllabus for NEET 2025 is a compilation of topics from classes 11 and 12. The candidate must prepare the syllabus thoroughly from classes 11 and 12 to score well in the examination.
The NEET syllabus contains topics from the NCERT, CBSE, ICSE, and COBSE boards. So, before filling out the NEET 2025 application form, the candidate must know the NTA NEET UG syllabus. Let us look at the NEET 2025 Biology syllabus:
Check out the complete syllabus of Chapters for NEET for Class 11:
| Chapters for NEET for Class 11 |
|---|
| Diversity in the Living World Biodiversity; Need for classification; Three domains of life; Taxonomy & Systematics; Concept of species and taxonomic hierarchy; Binomial nomenclature; Tools for study of TaxonomyHerbaria, Botanical gardens; Five kingdom classification; Salient features and classification of plants; Salient features and classification of animals |
| Structural Organisation in Animals and Plants Morphology and modifications; Tissues; Anatomy and functions of different parts of flowering plants; Animal tissues; Morphology, anatomy and functions of different systems |
| Cell Structure and Function Cell theory and cell as the basic unit of life; Structure of prokaryotic and eukaryotic cell; Plant cell and animal cell; Chemical constituents of living cells: Biomolecules; Cell division |
| Plant Physiology Transport in plants; Long-distance transport of water; Transpiration-Opening and closing of stomata; Uptake and translocation of mineral nutrients; Diffusion of gases Mineral nutrition; Deficiency symptoms; Mineral toxicity; Elementary idea of Hydroponics; Nitrogen metabolism-Nitrogen cycle, biological nitrogen fixation Photosynthesis; Site of photosynthesis take place; Photochemical and biosynthetic phases of photosynthesis; Cyclic and non-cyclic and photophosphorylation; Chemiosmotic hypothesis; Photorespiration C3 and C4 pathways; Factors affecting photosynthesis Respiration; Cellular respiration; Energy relations-Number of ATP molecules generated; Amphibolic pathways; Respiratory quotientPlant growth and development; Differentiation, dedifferentiation and Redifferentiation; Sequence of developmental process in a plant cell; GrowthRegulators; Vernalisation; Photoperiodism |
| Human Physiology Digestion and absorption; Egestion; Nutritional and digestive disorders Breathing and Respiration; Respiratory system in humans; Mechanism of breathing and its regulation in humans; Disorders related to respiration-Asthma, Emphysema, Occupational respiratory disorders; Body fluids and circulation; Human circulatory system; Regulation of cardiac activity; Disorders of the circulatory system- Hypertension, Coronary artery disease, Angina pectoris, Heart failureExcretory products and their elimination; Human excretory system; Urine formation, Osmoregulation; Regulation of kidney function-Renin-angiotensin, Atrial Natriuretic Factor, ADH and Diabetes insipidus; Disorders; Uraemia, Renal failure, renal calculi, Nephritis; Dialysis and artificial kidney; Locomotion and Movement; Skeletal system and its functions; Joints; Disorders of muscular and skeletal system-Myasthenia Gravis, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, GoutNeural control and coordination; Nervous system in humans- central nervous system, peripheral nervous system and visceral nervous system; Generation and conduction of nerve impulse; Reflex action; Sense organs; Elementary structure and function of the eye and ear Chemical coordination and regulation; Human endocrine system-Hypothalamus, Pituitary, Pineal, Thyroid, Parathyroid, Adrenal, Pancreas, Gonads; Mechanism of hormone action; Role of hormones as messengers and regulators; Hypo-and hyperactivity and related disorders. |
Following are the detailed Biology Chapters for NEET for class 12:
| Biology Chapters for NEET for Class 12 |
|---|
| Reproduction Reproduction in organisms; Asexual reproduction; ModesSexual reproduction in flowering plants: Flower structure; Development of male and female gametophytes; Pollination-types, agencies and examples; Outbreeding devices; Pollen-Pistil interaction; Double fertilisation; Post fertilisation 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; Microscopic anatomy of testis and ovary; Gametogenesis-spermatogenesis & oogenesis; Menstrual cycle; Fertilisation, embryo development up to blastocyst formation, implantation; Pregnancy and placenta formation; Parturition; LactationReproductive 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 |
| Genetics and Evolution Heredity and variation: Mendelian Inheritance; Chromosome theory of inheritance; Chromosomes and genes; Sex determination-In humans, birds, honey bees; 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 syndrome 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 solution: Origin of life; Biological evolution and evidence for biological evolution from Paleontology, comparative anatomy, embryology and molecular evidence); Darwin’s contribution, Modern Synthetic Theory of Evolution; Mechanism of evolution; Gene flow and genetic drift; Hardy-Weinberg’s principle; Adaptive Radiation; Human evolution |
| Biology and Human Welfare Health and Disease; 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 husbandryMicrobes in human welfare: In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilisers |
| Biotechnology and Its Applications Principles and process of Biotechnology: Genetic engineering application of Biotechnology in health and agriculture: Human insulin and vaccine production, gene therapy; Genetically modified organisms-Bt crops; Transgenic Animals; Biosafety issues piracy and patents |
| Ecology and environment Organisms and environment; Population interactions-mutualism, competition, predation, parasitism; Population attributes-growth, birth rate and death rate, age distribution Ecosystem; Energy flow pyramid of number, biomass, energy; Nutrient cycling; Ecological succession; Ecological Services-Carbon fixation, pollination, oxygen release Biodiversity and its conservation; Patterns of Biodiversity; Importance of Biodiversity; Loss of Biodiversity; Biodiversity conservation; Hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves, National parks and sanctuariesEnvironmental 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 |
The candidates for the medical exam can check the whole NEET-UG 2025 syllabus from the mentioned link.
Before preparing for the NEET 2025 examination, candidates must know the questions and marks distribution. It will help candidates in creating the study plan. In this section, we have tabulated the total marks and no. of questions that will be asked in the NEET 2025 exam:
|
NEET Subjects |
Sections (A and B) |
No. of Questions |
Marks |
|
Botany |
Section A |
35 |
140 |
|
Section B |
15 |
40 |
|
|
Zoology |
Section A |
35 |
140 |
|
Section B |
15 |
40 |
|
|
Physics |
Section A |
35 |
140 |
|
Section B |
15 |
40 |
|
|
Chemistry |
Section A |
35 |
140 |
|
Section B |
15 |
40 |
There will be 200 questions in the NEET examinations, and 50% of the questions will be from the Biology section. So, the candidate must know the weightage of the Biology chapters. You can also check the important topics of NEET 2025 from the mentioned link. Following is the Biology 11th and 12th NEET Biology chapter-wise weightage.
| NEET Biology Chapter-wise Weightage | NEET Biology Chapter-wise Weightage in Percentage |
|---|---|
| Diversity of Living Organisms | 13% |
| Structural Organisation in Plants & Animals | 8% |
| Cell: Structure and Function | 7% |
| Plant Physiology | 9% |
| Human Physiology | 17% |
| Reproduction | 10% |
| Genetics and Evolution | 12% |
| Biology and Human Welfare | 10% |
| Ecology and Environment | 10% |
| Biotechnology and its Applications | 4% |
The candidate can check the chapter-wise weightage of all the subjects asked in NEET 2025 –NEET Biology chapter-wise weightage.
Getting the right book for NEET 2025 preparation is necessary and beneficial for the candidate. NEET Biology questions are direct and theoretical. The aspirant must study from the best books to get a solid understanding. There is a plethora of publications that release books for NEET preparation. In this section, we will provide you with the best books for NEET Biology:
| Books for NEET 2025 Biology | Author Name |
|---|---|
| NCERT Biology Class 11th textbook | NCERT |
| NCERT Biology Class 12th textbook | NCERT |
| Objective Biology (volumes 1 and 2) | Trueman Publications |
| Biology Classes 11 and 12 (Volume 1 & 2) | Pradeep Publications |
| Medical Entrances Biology (Vol 1, 2 and 3) | Mamta R Solanki and Lalita Ghotik |
| A Class Book for Botany | AC Dutta |
| Objective Biology (Volume 1, 2, and 3 along with Practice Papers) | Dinesh Publications |
| Objective Biology (volumes 1 & 2) | GR Bathla |
The candidate can check Best Books For NEET 2025: Physics, Chemistry and Biology here.
Additionally, the NEET Biology syllabus is extensive, along with a high weightage of marks. It demands regular practice and a study plan to cover the syllabus. The candidate can follow the below given NEET preparation tips to score well in the exam:
Let us look at some of the frequently asked questions in the NEET Biology syllabus:
Ans: NEET 2025 registration began on February 07, 2025.
Ans: The NEET 2025 examination will be conducted on May 04, 2025.
Ans: Human physiology, plant physiology, reproduction, and genetics hold the maximum weightage in NEET 2025.
Ans: The time duration of NEET 2025 is 3 hours.
Ans: You can check the NEET 2025 eligibility criteria from the mentioned link.
Quick Links,
| NEET Counselling | NEET 2025 Important Dates |
| NEET 2025 Answer Key | NEET 2025 Exam |
| NEET Exam Centres 2025 | NEET Cutoff 2025 |
There are more than 400 colleges that accept NEET marks, so candidates must give their best in the NEET 2025 examination. The exam is around the corner, so the candidate must gear up their preparation with the NEET study material. The candidate can also check the NEET 2025 question bank here.
We hope this article on the NEET Biology syllabus helps you. Download the Embibe learning app to start your preparations for NEET 2025. You can also solve practice questions and take mock tests for. Remember to bookmark us to get all the latest exam notifications.
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