NEET 2027 Syllabus is prescribed by the National Medical Commission (NMC) at nmc.org.in. NEET Biology syllabus is based on the NCERT curriculum for Classes 11 and 12, covering Botany and Zoology topics.
As per the NEET exam pattern, Biology carries the highest weightage at around 50%, with 90 questions out of 180.
- NEET Biology syllabus Class 11 topics include Diversity in the living world, Structural Organisation in Animals and Plants, Cell, and Human and Animal Physiology.
- NEET Biology syllabus Class 12 topics cover Reproduction, Genetics and Evolution, Biotechnology, Human Welfare and Ecology and Environment.
- NEET Botany important chapters include genetics and evolution, ecology and environment, and plant physiology.
- NEET Zoology important chapters include Human Physiology, Human Reproduction & Reproductive Health, Animal Kingdom and Origin and Evolution.
- NEET Biology syllabus high-yield chapters include Genetics & Evolution, Molecular Basis of Inheritance, and Biotechnology contribute 40% of the paper.
- The primary textbook to prepare for NEET Biology is NCERT Biology (Class 11 and Class 12). Line-to-line questions in the exam are derived from it.
Related Links:
- NEET 2027 Syllabus: Biology, Physics, Chemistry Topics, Weightage and PDF Download
- NEET Biology Exam Pattern: Marking Scheme, Exam Mode, Medium of Papers, Syllabus
Key Summary
- Principles of Inheritance, Biotechnology, Reproduction & Reproductive Health, Human Physiology and Cell are important chapters in the NEET Biology syllabus 2027.
- Candidates are advised to read every line, table, definition, and diagram to crack NEET Biology.
- Practice NEET PYQs and mocks to understand the question types and frequently asked topics to score well in Biology.
- NEET Biology is considered the easiest and most scoring section of the exam, though it requires deep memorisation and careful reading of trick questions.
- As per NEET marking scheme, candidates will get +4 marks for each correct answer and -1 for an incorrect response.
NEET Biology Syllabus 2027: Class 11 Topics
The NEET Biology syllabus 2027 for Class 11 topics is discussed below. Check out the key topics that you must study based on the reduced syllabus.
The NEET Biology 2027 syllabus from Class 11 topics covers 48- 50% of the weightage.
Unit 1: Diversity in the Living World
| Chapter | Topics to Study | Notes |
|---|---|---|
| The Living World | What is living?, Biodiversity, Need for classification, Taxonomy & Systematics, Concept of species & taxonomic hierarchy, Binomial nomenclature | Taxonomic aids (museums, zoos, herbaria, botanical gardens)- Deleted |
| Biological Classification | Five Kingdom classification, Salient features of Monera, Protista, Fungi, Lichens, Viruses, Viroids | Fully retained |
| Plant Kingdom | Algae, Bryophytes, Pteridophytes, Gymnosperms (salient features + examples) | Fully retained |
| Animal Kingdom | Non-chordates (up to phylum level), Chordates (up to class level) – salient features + examples | Fully retained |
NEET Biology Diversity in Living World: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| The Living World | 1 | Low |
| Biological Classification | 3 | Medium |
| Plant Kingdom | 3- 4 | High |
| Animal Kingdom | 4- 5 | High |
Unit 2: Structural Organisation in Animals and Plants
| Chapter | Topics to Study | Notes |
|---|---|---|
| Morphology of Flowering Plants | Root, Stem, Leaf, Inflorescence, Flower, Fruit, Seed + modifications; Families (e.g., Fabaceae, Solanaceae, Liliaceae) | Fully retained |
| Anatomy of Flowering Plants | Tissues, Tissue systems, Anatomy of root, stem, leaf; Secondary growth | Fully retained |
| Structural Organisation in Animals | Animal Tissues (Epithelial, Connective, Muscular, Neural): locations, junctions, diagramsFrog (morphology, anatomy & organ systems) | Must studyCockroach: study only superficiallyEarthworm: Completely deleted; skip |
NEET Biology Structural Organisation in Animals and Plants: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| Morphology of Flowering Plants | 3 | High |
| Anatomy of Flowering Plants | 3 | Medium |
| Structural Organisation in Animals | 3- 4 | High |
Unit 3: Cell Structure and Function
| Chapter | Topics to Study | Notes |
|---|---|---|
| Cell: The Unit of Life | Cell theory, Prokaryotic & Eukaryotic cells, Cell envelope, membrane, wall, Organelles (ER, Golgi, Lysosomes, Mitochondria, Plastids, Ribosomes, Nucleus, Cytoskeleton, Cilia, Flagella, Centrioles) | Fully retained |
| Biomolecules | Proteins, Carbohydrates, Lipids, Nucleic acids, Enzymes (classification, nomenclature, properties, mechanism) | Enzyme classification & nomenclature: Newly emphasised |
| Cell Cycle and Cell Division | Cell cycle, Mitosis, Meiosis, Significance | Fully retained |
NEET Biology Cell Structure and Function: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| Cell: The Unit of Life | 3- 4 | High |
| Cell Cycle and Cell Division | 3- 5 | High |
| Biomolecules | 4- 5 | High |
Unit 4: Plant Physiology
| Chapter | Topics to Study | Notes |
|---|---|---|
| Photosynthesis in Higher Plants | Site, Pigments, Photochemical & Biosynthetic phases, Cyclic & Non-cyclic photophosphorylation, Chemiosmotic hypothesis, C3 & C4 pathways, Photorespiration, Factors | Fully retained |
| Respiration in Plants | Glycolysis, Fermentation, TCA cycle, ETS, ATP yield, Amphibolic pathway, RQ | Fully retained |
| Plant Growth and Development | Phases of growth, Differentiation, Growth regulators (Auxin, Gibberellin, Cytokinin, Ethylene, ABA) | Photoperiodism, Vernalisation, Seed dormancy: Deleted |
| Transport in Plants | - | Deleted |
| Mineral Nutrition | - | Deleted |
NEET Biology Plant Physiology: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| Photosynthesis in Higher Plants | 2 | Medium |
| Respiration in Plants | 2 | Medium |
| Plant Growth and Development | 2- 3 | Medium |
Unit 5: Human Physiology
| Chapter | Topics to Study | Notes |
|---|---|---|
| Breathing and Exchange of Gases | Respiratory organs, Mechanism of breathing, Gas transport, Regulation, Disorders | Fully retained |
| Body Fluids and Circulation | Blood, Lymph, Heart structure, Cardiac cycle, ECG, Double circulation, Disorders | Fully retained |
| Excretory Products and their Elimination | Modes of excretion, Human excretory system, Urine formation, Regulation, Disorders | Fully retained |
| Locomotion and Movement | Types of movement, Muscles, Skeletal system, Joints, Disorders | Fully retained |
| Neural Control and Coordination | Nervous system, Neuron, Nerve impulse, CNS, PNS, Reflex action (limited) | Detailed Eye & Ear structure- Deleted; Reflex action limited |
| Chemical Coordination and Integration | Endocrine glands & hormones, Mechanism of hormone action, Disorders (including GIT hormones – Secretin, CCK etc.) | Fully retained (covers some Digestion hormones) |
| Digestion and Absorption | Entire chapter | Fully deleted- skip (GIT hormones covered above) |
NEET Biology Human Physiology: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| Breathing and Exchange of Gases | 2 | Medium |
| Body Fluids and Circulation | 2 | Medium |
| Excretory Products and their Elimination | 1- 2 | Medium |
| Locomotion and Movement | 2- 3 | High |
| Neural Control and Coordination | 1- 2 | Medium |
| Chemical Coordination and Integration | 2- 4 | Medium |
Related Link: NEET Biology Chapter-Wise Weightage: Important Topics, Marks and Preparation Tips
Ques. Which topics were deleted from NEET Biology the previous year?
Ans. The topics deleted from NEET Biology syllabus the previous year include Reproduction in Organisms, Strategies for Enhancement in Food Production, Environmental Issues and Digestion and Absorption. There were also deleted subtopics from Diversity in the Living World, Structural Organisation in Animals, Plant and Human Physiology, Ecology and Environment, Reproduction (asexual and vegetative propagation) and Ethical issues such as biopiracy and biopatents.
NEET Biology Syllabus 2027: Class 12 Topics
The NEET Biology 2027 syllabus from Class 12 topics contributes 52% of the weightage.
Unit 6: Reproduction
| Chapter | Topics to Study | Notes |
|---|---|---|
| Sexual Reproduction in Flowering Plants | Flower structure, Male & Female gametophytes, Pollination, Outbreeding devices, Pollen-pistil interaction, Double fertilisation, Endosperm & Embryo development, Seed & Fruit, Apomixis, Parthenocarpy, Polyembryony | Fully retained |
| Human Reproduction | Male & Female reproductive systems, Gametogenesis, Menstrual cycle, Fertilisation, Implantation, Pregnancy, Placenta, Parturition, Lactation | Fully retained |
| Reproductive Health | Reproductive health problems, Population explosion, Contraception, MTP, STDs, Infertility, ART (IVF, ZIFT, GIFT, etc.) | Fully retained |
| Reproduction in Organisms | Entire chapter (asexual & sexual modes) | Fully deleted- skip |
NEET Biology Reproduction: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| Sexual Reproduction in Flowering Plants | 4- 5 | High |
| Human Reproduction | 3- 5 | High |
| Reproductive Health | 2- 3 | Medium |
Unit 7: Genetics and Evolution
| Chapter | Topics to Study | Notes |
|---|---|---|
| Principles of Inheritance and Variation | Mendel’s laws, Incomplete dominance, Co-dominance, Multiple alleles, Pleiotropy, Polygenic inheritance, Chromosomal theory, Linkage & Crossing over, Sex determination, Sex-linked inheritance, Mendelian & Chromosomal disorders | Fully retained |
| Molecular Basis of Inheritance | DNA structure, Replication, Transcription, Genetic code, Translation, Gene expression & regulation, Human Genome Project, DNA fingerprinting | Protein biosynthesis: Emphasised |
| Evolution | Origin of life, Evidence, Theories (Darwin, Modern synthesis), Hardy-Weinberg principle, Adaptive radiation, Human evolution | Fully retained |
NEET Biology Genetics and Evolution: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| Principles of Inheritance and Variation | 5- 6 | High |
| Molecular Basis of Inheritance | 6- 8 | High |
Unit 8: Biology and Human Welfare
| Chapter | Topics to Study | Notes |
|---|---|---|
| Human Health and Disease | Pathogens, Immunity (Innate & Acquired), Vaccines, Cancer, AIDS, Adolescence issues, Drug & Alcohol abuse | Dengue & Chikungunya: Added (even if not in NCERT) |
| Microbes in Human Welfare | Microbes in household products, Industrial products, Sewage treatment, Biogas, Biocontrol, Biofertilisers | Fully retained |
| Strategies for Enhancement in Food Production | Entire chapter | Fully deleted: skip |
NEET Biology and Human Welfare: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| Microbes in Human Welfare | 2 | Medium |
| Human Health and Disease | 3- 6 | High |
Unit 9: Biotechnology and its Applications
| Chapter | Topics to Study | Notes |
|---|---|---|
| Biotechnology: Principles and Processes | Principles of Biotechnology, Tools (Restriction enzymes, Vectors, Competent host), Processes (rDNA technology, PCR, Bioreactors) | Fully retained |
| Biotechnology and its Applications | Applications in Agriculture (Bt crops, RNA interference), Medicine (Insulin, Gene therapy, Molecular diagnosis), Transgenic animals, Ethical issues, Biopiracy | Fully retained |
NEET Biology Biotechnology and its Applications: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| Biotechnology and its Applications | 4- 5 | High |
Unit 10: Ecology and Environment
| Chapter | Topics to Study | Notes |
|---|---|---|
| Organisms and Populations | Population attributes, Population growth, Population interactions | Organism & Environment, Abiotic factors, Adaptations: Deleted |
| Ecosystem | Ecosystem structure & function, Productivity, Decomposition, Energy flow, Ecological pyramids | Ecological succession, Nutrient cycling (C & P), Ecosystem services: Deleted |
| Biodiversity and Conservation | Biodiversity levels, Patterns, Importance, Loss, Conservation strategies, Hotspots, Protected areas | Fully retained |
| Environmental Issues | - | Fully deleted: skip |
NEET Biology Ecology and Environment: Questions Expected Based on Trends
| Chapter | Questions Expected | Priority |
|---|---|---|
| Ecosystem | 2 | Medium |
| Biodiversity and Conservation | 3- 5 | High |
| Organism and Population | 2- 3 | Medium |
Watch the YouTube video by “Sri Chaitanaya Academy NEET” to learn about the detailed NEET Biology Syllabus 2027, including topics that have been removed.
Related Link: NEET Biology Class 12 Syllabus 2027: Subject-Wise Topics, Chapter Weightage and PDF Download
On discussion forums such as Reddit, a user asked, “Is Biology NCERT enough for NEET?” Based on this, many users suggested that NCERT is enough to crack NEET Biology. Questions are asked directly from the NCERT book. Focus on understanding and conceptual clarity to score well. Apart from reading NCERT Biology, practice PYQs and mocks from Trueman's Elementary Biology to understand the type of questions asked.
Source: Reddit
Ques. Which is the toughest chapter in NEET Biology?
Ans. As per previous test takers, Principles of Inheritance and Variation, Molecular Basis of Inheritance, and Evolution are widely ranked as the toughest due to heavy conceptual density and tricky application-based questions.
NEET Biology Syllabus 2027: Chapter-wise Weightage
The chapter-wise weightage of NEET Biology syllabus 2027 is tabulated below based on the last 5 years' data. Check out the details below:
| Chapters | Weightage (%) |
|---|---|
| Cell Biology | 18 |
| Animal Kingdom | 20` |
| Reproduction | 22 |
| Ecology | 28 |
| Plant Physiology | 28 |
| Biotechnology | 36 |
| Genetics and Evolution | 44 |
| Human Physiology | 44 |
Watch the YouTube video by “Anmol Sharma Biology” to learn about NEET Biology 2027 chapter-wise weightage in detail.
Related Link: NEET Biology Question Paper: Download NEET Biology Question Paper with Solutions PDFs
Ques. How to score 340 in NEET Biology?
Ans. To score 340+ out of 360 in NEET Biology, you need at least 85 out of 90 correct answers. This requires complete mastery of the NCERT textbooks combined with targeted practice and exam-hall strategy. Solve at least the last 10 years of NEET Biology PYQs to understand the repeating patterns, high-yield sub-topics, and question styles. Instead of passive re-reading, close the book and try to recall processes, cycles, and definitions from memory.
NEET Biology Syllabus 2027: Top 5 High-Scoring Chapters
The top 5 high-scoring chapters you should not skip, as per the NEET Biology 2027 syllabus, because of their high weightage.
| Chapters/Units | Key Topics | Number of Questions Expected (2027) |
|---|---|---|
| Human Physiology | Nephron, heart and nerve impulse diagram | 8- 10 |
| Genetics and Evolution | Molecular Basis of Inheritance | 8- 10 |
| Biotechnology | Principles, Process and Application | 9 |
| Ecology | Biodiversity and Conservation | 5- 6 |
| Reproduction | Human and Plant combined | 5- 6 |
Related Link: NEET Biology Sample Paper PDF: Check Direct Link, Solutions, Answer Key, and Importance
Ques. How many units are there in the NEET Biology 2027 syllabus?
Ans. The current official syllabus structure contains 10 Biology units. Candidates should verify the NEET UG 2027 notification for any revisions.
Books to Prepare for NEET Biology 2027
The best books to prepare for NEET Biology 2027 are tabulated below.
- Most questions are direct textbook recall; your book choice should support memory retention over problem-solving.
- Do not replace your NCERT textbook with any reference book, since NEET Biology questions closely follow the exact textbook wording.
| Book Name | Author/Publisher | Why This Book |
|---|---|---|
| NCERT Biology Class 11 & 12 | NCERT | The primary source for NEET Biology questions. 80- 90% of NEET Biology is directly from NCERT |
| Trueman’s Elementary Biology Vol 1 & 2 | Trueman Publications | Comprehensive explanations for difficult chapters; supplements NCERT diagrams |
| MTG Objective NCERT at Your Fingertips- Biology | MTG Editorial Board | Chapter-wise MCQ practice aligned to NCERT; ideal for final revision |
Related Link: Books for NEET: Best Books for Beginners, NCERT PDFs, Online Platforms and Mock Tests
Ques. Is the NEET Biology 2027 syllabus based on NCERT Class 11 and 12?
Ans. Yes, the syllabus draws on Biology concepts taught at the Class 11 and 12 level. NCERT textbooks are an important preparation resource, but candidates must also check the official syllabus for the exact prescribed topics.
NEET Biology Syllabus 2027: Preparation Tips
NEET Biology is easy to score if you follow a correct preparation strategy. Out of 720 marks, 360 marks are assigned to Biology, so you should prepare strategically.
Key Tips: Master NCERT diagrams, tables, and labelling. Solve PYQs after every chapter (30- 40% of concepts repeat). Practice Match-the-Column and Statement-based questions heavily.
- Biology is your score multiplier. Students who score 340+ out of 360 in Biology have a strong chance of qualifying for government medical colleges.
- Read NCERT Biology (Class 11 and 12) at least three times, cover-to-cover. NEET often ask questions directly from NCERT sentences and diagrams.
- Molecular Basis of Inheritance alone yields 6- 9 marks every year. Master DNA replication, transcription, translation, and gene regulation completely before the exam.
- Draw and label key diagrams weekly on cell organelles, meiosis stages, flower structure, nephron, heart cross-section. Many NEET questions use diagrams as answer options.
- Solve at least 10 years of NEET previous year papers chapter-wise. This reveals the exact depth each topic requires.
- Use Trueman’s Biology for chapters such as Animal Kingdom, Plant Kingdom, and Structural Organisation in Animals for practice.
Download NEET Biology Previous Year Question Paper
| Year-wise NEET Question Paper PDF | Link |
|---|---|
| NEET 2026 Question Paper PDF | Check Here |
| NEET 2025 Question Paper PDF | Check Here |
| NEET 2024 Question Paper PDF | Check Here |
| NEET 2023 Question Paper PDF | Check Here |
| NEET 2022 Question Paper PDF | Check Here |
Related Link: NEET Biology Preparation, Chapter-Wise Tips, Study Notes, Books, Online Resources
Ques. How many marks does Biology carry in NEET?
Ans. According to NEET exam pattern, Biology carries 360 marks out of 720, with 90 questions from Botany and Zoology combined. Candidates will get +4 marks for each correct answer and -1 for an incorrect response.
Common Mistakes to Avoid While Preparing for NEET Biology 2027
Common Mistakes you should avoid while preparing for NEET Biology 2027 are:
- No revision cycle, which means you will forget the concepts without revision
- No PYQ/ Mock Test practice- previous year paper pattern and mock tests help you understand the high-frequency topics.
- Random Study Routine- this is the most common mistake students make. You should always study strategically by focusing on Biology chapter-wise weightage.
- Trying to cover 100% of the syllabus in the last three months, thinking Biology is a scoring subject. But it becomes scoring with a consistent study routine from the initial days.
- Focusing on reference books for NEET Biology creates only confusion. So stick to your NCERT along with 1 practice set and PYQs.
- Jumping straight to MCQs without having concept clarity is a big mistake.
Related Links:
- NEET 2027 Biology Chapter-Wise Weightage: Most Important Topics
- Biology Mock Test Series for NEET Free- Attempt Online Free Biology Mock Test, Download PDF
Ques. How should I complete the NEET Biology syllabus?
Ans. Start with NCERT, follow the official syllabus unit by unit, practise chapter-wise MCQs, revise diagrams and important examples, and regularly solve previous-year questions and mock tests.
NEET Biology Syllabus 2027 FAQs
Ques. Is the weightage of Botany and Zoology equal in NEET 2027?
Ans. Under the latest NEET pattern, Biology comprises 90 questions in total, generally divided into 45 Botany and 45 Zoology questions. You should prepare equally for the NEET Botany and Zoology syllabus.
Ques. Which Class 12 Biology chapters are important for NEET 2027?
Ans. Genetics and Evolution, Reproduction, Biotechnology, Ecology, and Human Health and Disease are important areas for revision. Candidates should cover the important topics as per PYQs and then complete the rest of the topics to score well.
Ques. Does the NEET Biology syllabus 2027 include practical-based questions?
Ans. The NEET Biology 2027 syllabus includes prescribed concepts and experimental or application-related knowledge where specified. Candidates should practise questions based on experiments, diagrams and biological processes.
Ques. Are previous-year questions enough to prepare for NEET Biology 2027?
Ans. No. Previous-year questions help identify recurring concepts and understand question styles, but they should be combined with NCERT study, syllabus-based MCQ practice and mock tests.
Ques. Where can I download the NEET Biology syllabus 2027 PDF?
Ans. Visit neet.nta.nic.in and check the official documents or public notices section. Download the NEET Biology Syllabus 2027 PDF when it becomes available. Use the latest officially published syllabus for preparation.
Ques. How many hours should I study Biology daily for NEET 2027?
Ans. The required study time depends on your preparation level and daily schedule. You can begin with two to three focused hours for Biology, including NCERT reading, MCQ practice and revision, and adjust the time according to your progress.
Ques. Which is the most important unit in the NEET Biology 2027 syllabus?
Ans. Genetics and Evolution, Human Physiology, Reproduction, Cell Structure and Function, and Ecology are useful areas to prioritise during revision. Candidates should prepare all prescribed units because chapter-wise question distribution can vary.
Comments
Found 2 Comments
No, NCERT books are enough to give NEET exam, as it covers all the topics of NEET.
Do I need to cover all the topics in the syllabus to qualify for the NEET exam?