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The NEET Biology syllabus for 2026 includes topics from both Class 11 and 12, covering Zoology and Botany. It is based on the NCERT curriculum, focusing on human biology, genetics, ecology, and more.
Has the NEET 2026 Biology syllabus been officially released?
No, the official syllabus for NEET 2026 has not been released yet. Students can prepare based on the NEET 2025 syllabus, which is expected to remain the same.
How many questions are asked from Biology in NEET 2026?
A total of 90 questions are asked from Biology in NEET, with 45 each from Class 11 and Class 12 chapters.
Is NCERT enough for NEET 2026 Biology preparation?
Yes, NCERT books are the most important for NEET Biology. Most questions are directly or indirectly based on NCERT content.
NEET Biology Syllabus 2026, Zoology and Botany Important Topics
NEET Biology Syllabus 2026 includes key topics from Class 11 and 12 NCERT for both Zoology and Botany. Check the most important chapters to focus on for NEET 2026 preparation.
Krati Saraswat2 Aug, 2025
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NEET Biology Syllabus 2026: TheNEET UG 2026 exam is expected to follow the same syllabus as NEET 2025, since the National Testing Agency (NTA) did not make any changes last year. As of now, the official NEET 2026 syllabus has not been released. Therefore, students should prepare based on the NEET 2025 syllabus until any new notification is announced.
NEET Biology Syllabus 2026 holds the most weight in the NEET UG 2026 exam, with questions from both Class 11 and Class 12 NCERT textbooks. The biology section includes 90 questions, covering both Botany and Zoology. Understanding the chapter-wise weightage will help students focus on the most important areas first. Since NEET Biology strictly follows the NCERT curriculum, thorough preparation from NCERT books is highly recommended.
NEET Biology Syllabus 2026 Overview
As of now, the official NEET UG 2026 Biology syllabus has not been released by the National Testing Agency (NTA). However, considering that no changes were made to the syllabus in 2025, it is anticipated that the NEET 2026 Biology syllabus will remain consistent with the previous year's syllabus. Therefore, students preparing for NEET 2026 should refer to the NEET 2025 Biology syllabus for their studies. The NEET Biology syllabus encompasses topics from both Class 11 and Class 12, covering essential concepts in Botany and Zoology. The syllabus is structured into ten units, each focusing on different aspects of biological sciences.
Biology NEET Syllabus 2026 Overview
Parameter
Details
Official Release
Dec 2025 (Expected)
Authority
National Testing Agency (NTA)
Syllabus Availability
NTA’s official website
Document Format
PDF
Key Sections
Physics, Chemistry, Biology
Applicability
Mandatory for NEET 2026 aspirants
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NEET Biology Syllabus 2026 For Class 11
The NEET Biology syllabus for Class 11 is very important for students preparing for the NEET 2026 exam. While the official syllabus for NEET 2026 has not been released yet, there were no changes made in 2025, so it is expected to stay the same. This syllabus helps students understand what topics they need to study from their Class 11 NCERT Biology book.
NEET Biology Syllabus 2026 for Class 11
Unit Name
Unit Topics
Unit 1 – Diversity of Living Organisms Change
What is living? ; Biodiversity; Need for classification;; Taxonomy & Systematics; Concept of species and taxonomic hierarchy; Binomial nomenclature;
Five kingdom classifications: salient features and classification of Monera; Protista and Fungi into major groups: Lichens Viruses and Viroids.
.salient features and classification of plants into major groups-Algae, Bryophytes, Pteridophytes, Gymnosperms (three to five salient and distinguishing features and at least two examples of each category);
Salient features and classification of animals non chordate up to phyla level and chordate up to classes level (three to five salient features and at least two examples)’
Unit 2 – Structural Organization in Plants & Animals Change
Morphology and modifications; Tissues; Anatomy and functions of different parts of flowering plants: Root, stem, leaf, inflorescence- cymose and racemose, flower’ fruit and seed 1 To be dealt along with the relevant practical of the Practical Syllabus) Family (malvaceae, Cruciferae, leguminoceae, compositae, gramineae)’
Animal tissues; Morphology, anatomy, and functions of different systems (digestive, circulatory, respiratory, nervous, and reproductive) of an insect (Frog)’ (Brief account only)
Unit 3 – Cell Structure and Function No Change
cell theory and cell as the basic unit of life; Structure of prokaryotic and eukaryotic cell; Plant cell and animal cell; Cell envelope’ cell membrane, cell wall; Cell organelle structure and function; Endomembrane system-endoplasmic reticulum’ Golgi bodies’ lysosomes, vacuoles; mitochondria, ribosomes, plastids, microbodies; Cytoskeleton’ cilia flag”lla centrioles (ultrastructure and function); Nucleus-nuclear membrane’ chromatin, nucleolus.
chemical constituents of living cells: Biomolecules-structure and function of proteins, carbohydrates. lipids, nucleic acids; Enzymes-types, properties’ enzyme action’ classification and nomenclature of enzymes
B Cell division: Cell cycle, mitosis, meiosis, and their significance
Unit 4 – Plant Physiology
Photosynthesis: Photosynthesis as a means of Autotrophic nutrition; Site of photosynthesis takes place; pigments involved in Photosynthesis (Elementary-.idea); Photochemical and biosynthetic phases of photosynthesis; Cyclic and non-cyclic and photophosphorylation; chemiosmotic hypothesis; photorespiration c3 and c4 pathways; Factors affecting photosynthesis.
Respiration: Exchange gases; cellular respiration-glycolysis. fermentation (anaerobic), TCA cycle and electron transport system (aerobic); Energy relations- Number of ATP molecules generated; Amphibolic pathways; Respiratory quotient.
Plant growth and development: Seed germination; phases of plant growth and plant growth rate; Conditions of growth; Differentiation, differentiation, and redifferentiation; Sequence of developmental process in a plant cell; Growth regulators auxin, gibberellin, cy. cytokinin, ethylene, ABA;
Unit 5 – Human Physiology
Breathing and Respiration: Respiratory organs in animals (recall only); Respiratory system in humans; Mechanism of breathing and its regulation in humans-Exchange of gases, transport of gases and regulation of respiration Respiratory volumes; Disorders related to respiration-Asthma Emphysema, Occupational respiratory disorders.
‘ Body fluids and circulation: composition of blood, blood groups, coagulation of blood; composition of lymph and its function; Human circulatory system-structure of human heart and blood vessels; cardiac cycle, cardiac output. ECG. Double circulation; Regulation of cardiac activity; Disorders of circulatory system-Hypertension, coronary artery disease, Angina pectoris, Heart failure.
Excretory products and their elimination: Modes of excretion- Ammonotelism, ureotelism, uricotelism; Human excretory system structure and function; Urine formation, osmoregulation; Regulation of kidney function-Renin-angiotensin, Atrial Natriuretic Factor’ ADH and Diabetes insipidus; Role of other organs in excretion; Disorders; Uraemia, Renal failure, Renal calculi, Nephritis; Dialysis and artificial kidney.
Locomotion and Movement: Types of movement- ciliary, flagellar, muscular; Skeletal muscle- contractile proteins and muscle contraction; Skeletal system and its functions (To be dealt with in the relevant practical of practical syllabus); Joints; Disorders of muscular and skeletal system-Myasthenia gravis, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, Gout.
Neural control and coordination: Neuron and nerves; Nervous system in human central nervous system, peripheral nervous system, and visceral nervous system; Generation and conduction of nerve impulses;
chemical coordination and regulation: Endocrine glands and hormones; Human endocrine system-Hypothalamus, pituitary, pineal, Thyroid, parathyroid, Adrenal, Pancreas, Gonads; Mechanism of hormone action (Elementary idea); Role of hormones as messengers and regulators, Hypo-and hyperactivity and related disorders (common disorders e.g. Dwarfism, Acromegaly, Cretinism, goiter, exophthalmic goiter, diabetes, Addison’s disease).
NEET Biology Syllabus 2026 For Class 12
The NEET 2026 Biology syllabus for Class 12 builds upon the foundational knowledge gained in Class 11 and introduces more advanced concepts in Biology. Although the official NEET 2026 syllabus has not yet been released, it is expected to be similar to the 2025 syllabus, as there were no changes in 2025. This syllabus covers critical topics that are essential for aspiring medical students.
NEET Biology Syllabus 2026 for Class 12
Unit Name
Unit Topics
Unit 6 – Reproduction
Sexual reproduction in flowering plants : Flower structure; Development of male and female gametophytes; Pollination-types, agencies, and examples; Outbreeding 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.
Human Reproduction: Male and female reproductive systems; Microscopic anatomy of testis and ovary; Gametogenesis-spermatogenesis & oogenesis; Menstrual cycle; Fertilisation, embryo development up to blastocyst formation, implantation: Pregnancy and placenta formation (Elementary idea); Parturition (Elementary idea); Lactation (Elementary idea).
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).
Unit 7 – Genetics & Evolution
Heredity and variation: Mendelian inheritance; Deviations from MendelismIncomplete dominance, Codominance, Multiple alleles, and Inheritance of blood groups, Pleiotropy; Elementary idea of polygenic inheritance; Chromosome theory of inheritance; Chromosomes and genes; Sex determination-i-n humans’ birds, honey bee; Linkage and crossing over; Sex-linked inheritance-Haemophilia color blindness; Mendelian disorders in humans-Thalassemia; chromosomal disorders in humans; Down’s syndrome, Turner's and Klinefelter’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 finger printing, protein biosynthesis.
Evolution: 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 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.
Unit 8 – Biology and Human Welfare
Health and Disease; Pathogens; parasites causing human diseases (Malaria, Filariasis, Ascariasis. Typhoid, Pneumonia, common cold, amoebiasis, ring worm, dengue, chikungunya); Basic concepts of immunology-vaccines; Cancer, HIV and AIDS; Adolescence, drug, and alcohol abuse.Tobacco abuse
Microbes in human welfare: In household food processing, industrial production, sewage treatment, energy generation, and as biocontrol agents and biofertilizers.
Principles and process of Biotechnology: Genetic engineering (recombinant DNA technology).
Application of Biotechnology in Health and Agriculture: Human insulin and vaccine production, gens therapy Genetically modified:organisms-Br crops: Transgenic Animals Biosafety issues-Biopiracy and patents.
Unit 10 – Ecology and Environment
organisms and environment Population intentions -mutualism, competition.predation, parasitism Population attributes-growth. birth rate and death rate, age distribution.
Ecosystem: Patterns, components; productivity and decomposition: Energy flow: Pyramids of number, biomass. energy
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, Sacred Groves.
The NEET botany syllabus 2026 encompasses a wide array of topics related to the study of plants. It is divided into four main sections: biochemistry, cell biology, genetics, and ecology. Below are the significant topics outlined in the biology syllabus for NEET 2026.
NEET 2026 Biology Syllabus For Botany
S. No
Chapter Name
1
Cell - The Unit of Life
2
Cell Cycle and Cell Division
3
The Living World
4
Biological Classification
5
Plant Kingdom
6
Morphology of Flowering Plants
7
Anatomy of Flowering Plants
8
Photosynthesis in Higher Plants
9
Respiration in Plants
10
Plant Growth and Development
11
Sexual Reproduction in Flowering Plant
12
Principle of Inheritance and Variation
13
Molecular Basis of Inheritance
14
Microbes in Human Welfare
15
Organisms and Population
16
Ecosystem
17
Biodiversity and Conservation
NEET 2026 Biology Syllabus For Zoology
The NEET zoology syllabus 2026 is designed to assess candidates' comprehension of diverse zoological aspects, encompassing animal classification, structural organization, cell biology, and human physiology. Through these core areas, the NEET zoology syllabus 2026 offers a thorough structure for evaluating candidates' proficiency and understanding within the realm of zoology.
NEET 2026 Biology Syllabus For Zoology
S. No
Chapter Name
1
Structural Organization in Animals (including Frog)
2
Biomolecules
3
Breathing and Exchange of Gases
4
Body Fluids and Circulation
5
Excretory Products & their Elimination
6
Locomotion & Movement
7
Neural Control & Coordination
8
Chemical Coordination & Integration
9
Animal Kingdom
10
Human Reproduction
11
Reproductive Health
12
Evolution
13
Human Health and Diseases
14
Biotechnology: Principles & Processes
NEET Biology Syllabus 2026 Weightage
Before starting the preparation, candidates should familiarize themselves with the NEET Biology chapter-wise weightage distribution of marks for NEET Syllabus 2026. Understanding the weightage helps in prioritizing topics that carry more marks. The table summarizing the marks assigned to each chapter in NEET 2026 Biology Syllabus, which is essential for effective study planning.
NEET Biology Syllabus 2026 Weightage
Chapters/Topics
Average No. of Questions Based on 5 Years Analysis
Weightage (%)
NEET Chapter Wise Weightage 2026 for Zoology
Structural Organisation in Animals (Animal Tissues)
4
8%
Locomotion and Movement
3
6%
Body Fluids and Circulation
2
5%
Evolution
3
6%
Biomolecules
5
10%
Human Reproduction
3
6%
Breathing and Exchange of Gases
2
4%
Excretory Products and their Elimination
2
5%
Reproductive Health
4
8%
Biotechnology – Principles and Processes
6
12%
Human Health and Disease
3
6%
Biotechnology and its Applications
4
7%
Animal Kingdom
7
13%
Neural Control and Coordination
1
2%
Chemical Coordination and Integration
2
4%
NEET Chapter Wise Weightage 2026 for Botany
Biodiversity and Conservation
2
4%
Anatomy of Flowering Plants
3
7%
Cell : The Unit of Life
2
5%
Respiration in Plants
2
4%
Microbes in Human Welfare
2
4%
Cell Cycle and Cell Division
4
9%
Molecular Basis of Inheritance
6
14%
Principles of Inheritance and Variation
5
10%
Sexual Reproduction in Flowering Plants
3
6%
Ecosystem
2
4%
Morphology of Flowering Plants
3
6%
Plant Growth and Development
3
6%
The Living World
0
1%
Plant Kingdom
3
7%
Biological Classification
1
3%
Organisms and Populations
2
4%
Photosynthesis in Higher Plants
2
4%
NEET Biology Syllabus 2026 Important Topics
In preparation for the biology syllabus for NEET 2026 exam, candidates are advised to focus on fundamental biology concepts. It is recommended that candidates prioritize their study on specific key biology subjects of NEET botany syllabus 2026 and NEET Zoology syllabus 2026 for NEET UG 2026, determined based on the frequency of questions and their weightage in previous years' exams.
NEET Botany Syllabus 2026 Important Topics
If you're preparing for NEET 2026 and studying the Botany syllabus, it's important to focus on key topics that often appear in the exam. By understanding these topics well, you can improve your chances of performing better in the biology section of the NEET 2026 exam.
This part talks about the important stuff you need to know in the NEET Zoology syllabus 2026. These topics are super important because they come up a lot in the biology syllabus for the NEET 2026 exam. If you really understand and get good at these topics, it will make your biology foundation really strong and boost your chances of doing well in the NEET exam. Here are the key topics you should focus on for NEET prep:
NEET Zoology Syllabus 2026 Important Topics
Chapter Name
Topics
Structural Organization in Animals (including Frog)
Tissues
Epithelium Tissue
Cell Junctions
Connective Tissue
Muscular Tissue
Nervous Tissue
Cockroach
Frog
Biomolecules
Method to analyze chemical composition
Metabolites
Micromolecules
Macromolecules
Carbohydrates
Amino acids
Proteins
Lipids
Nucleic acids
RNA
DNA
Dynamic state of body constituents
The living state
Enzymes
Breathing and Exchange of Gases
Introduction to breathing and respiration
Respiratory organs
Human respiratory system
Mechanism of breathing
Respiratory volumes and capacities
Exchange of gases
Transportation of gases
Regulation of respiration
Disorders of Respiratory System
Body Fluids and Circulation
Introduction to body fluids
Blood
Plasma
Formed elements
Blood Groups
Coagulation of Blood
Lymph
Circulatory Pathways
Double Circulation
Coronary Circulation
Human Circulatory System
Heart Sounds
Blood Vessels
Portal system
ECG
Regulation of Cardiac Activity
Disorders of Circulatory System
Excretory Products & their Elimination
Excretion
Excretory Products
Excretory Structures
Human Excretory System
Nephron
Mechanism of Urine formation
Mechanism of Concentration of the Filtrate
Micturition
Urine
Role of Other Organs in Excretion
Regulation of Kidney Function - Kidney
Regulation of Kidney Function - Hypothalamus
Regulation of Kidney Function - Adrenal cortex
Regulation of Kidney Function - Adrenal medulla
Regulation of Kidney Function - Heart
Regulation of GFR
Disorders of the Excretory System
Treatment for renal failure
Locomotion & Movement
Locomotion and movement
Locomotory organs
Types of Movement
Muscles
Types of Muscle
Skeletal muscles
Structure of contractile proteins
Mechanism of Muscle Contraction
Mechanism of Muscle Relaxation
Red & White Muscles
Skeletal system
Axial skeleton
Appendicular skeleton
Joints
Disorders related to muscular system
Neural Control & Coordination
Control and coordination
Neural system
Human neural system
Neuron
Generation and conduction of nerve impulse
Transmission of Impulses
Synapse
Neurotransmitters
Central nervous system(CNS)
Human Brain
Spinal cord
Chemical Coordination & Integration
Neural system and Endocrine system
Endocrine glands
Hormones
Hypothalamus
Pituitary gland/Hypophysis
Pineal gland/body
Thyroid gland
Parathyroid gland
Thymus gland
Adrenal gland
Pancreas
Gonads
Hormones of Gastrointestinal Tract
Hormones of Heart
Hormones of Kidney
Non-endocrine tissues
Hormonal Feedback
Hormonal action
Animal Kingdom
Taxonomy
Kingdom-Animalia
Basis of Classification
Phylum- Porifera
Phylum- Coelenterata/Cnidaria
Phylum- Ctenophora
"Phylum- Platyhelminthes
Phylum- Aschelminthes/ Nemathelminthes"
Phylum-Annelida
Phylum-Arthropoda
Phylum- Mollusca
Phylum- Echinodermata
Phylum- Hemichordata
Phylum-Chordata
Subphyla- Urochordata
Subphyla- Cephalochordata
Subphyla- Vertebrata
Class- Cyclostomata
Superclass- Pisces (Class- Chondrichthyes)
Superclass- Pisces (Class- Osteichthyes)
Superclass- Tetrapoda (Class – Amphibia)
Superclass- Tetrapoda (Class – Reptiles)
Superclass- Tetrapoda (Class – Aves)
Superclass- Tetrapoda (Class – Mammalia)
Human Reproduction
Human reproductive system
Male reproductive system
Female reproductive system
Spermatogenesis
semen
Structure of sperm
Oogenesis
Differences between spermatogenesis and oogenesis
Ovum
Menstrual cycle
Fertilisation & Implantation
Sex Determination of Foetus
Pregnancy & embryonic development
Parturition & Lactation
Reproductive Health
Reproductive health
Population
Contraceptive methods
Medical termination of pregnancy
Sexually transmitted diseases(STDs)
Infertility
Assisted reproductive technologies(ARTs)
Evolution
Origin of life
Theory of origin of life
Evolution
Evidences of evolution
Adaptive radiation
Natural selection and artificial selection
Theory of organic evolution
Hardy-weinberg principle
Speciation and isolation
A brief account on evolution
Origin and evolution of man
Human Health and Diseases
Introduction
Common Diseases in Humans
Protozoan Disease
Immunity
Innate immunity
Acquired immunity
Lymphoid organs
Immunization
Vaccination
Transplantation
Auto-immunity
AIDS
Cancer
Drug abuse
Alcohol abuse
Adolescence
Addiction and dependence
Biotechnology: Principles & Processes
Principles of biotechnology
Genetic engineering/Recombinant DNA technology
Tools of rDNA technology
Isolation of DNA
Separation and isolation of DNA fragments
Amplification of gene of interest
Insertion of rDNA into host cell
Obtaining the foreign gene product
GMOs
Biotechnological applications in agriculture
Biotechnological applications in medicine
Transgenic animals
Ethical issues
Books For NEET 2026 Biology Syllabus
For comprehensive coverage of the NEET 2026 Biology Syllabus, students can refer to a variety of books that provide in-depth explanations. Highly recommended options include NCERT textbooks and other authoritative sources. These books aid in building a strong conceptual understanding necessary for the NEET 2026 Biology Syllabus.
Preparing for the NEET 2026 Biology syllabus requires strategic planning and diligent study. Here are some tips to help you effectively prepare:
Stick to NCERT Books: The NEET Biology syllabus is strictly based on Class 11 and 12 NCERT textbooks. Read each chapter line-by-line and understand the diagrams and in-text information.
Focus on High-Weightage Chapters: Give extra time to important chapters like Human Physiology, Genetics, Plant Physiology, Reproduction, and Ecology. These topics often have more questions in the exam.
Make Short Notes: Write down key terms, definitions, and important points while studying. These short notes will help you revise faster before the exam.
Practice MCQs Daily: After studying a topic, solve multiple-choice questions from that chapter. This improves accuracy and boosts confidence.
Revise Regularly: Keep revising both Class 11 and Class 12 Biology topics regularly to retain the information longer. Weekly and monthly revisions help reduce exam stress.
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