NEET Biology Syllabus 2025
NEET Biology Syllabus 2025, NEET Botany and Zoology Syllabus 2025, NEET 2025 Biology Syllabus, NEET Biology Syllabus Updated 2025 : The NEET Biology syllabus for 2025 has undergone substantial updates, with notable changes in topics, additions, and removals. Chapters like Human Physiology, Diversity of Living World, Genetics, and others have been streamlined or enhanced. These revisions aim to align the syllabus with evolving academic standards and student requirements.
The official PDF outlining the revamped syllabus has been released. This new syllabus amalgamates content from the Class 11th and 12th Biology NCERT books, including sections not previously part of the Botany and Zoology NCERT curriculum. Below, you’ll find a list of newly introduced and omitted topics, along with a link to download the official NEET Biology Syllabus 2025 PDF for easy reference.
NEET Biology Syllabus 2025 (Overview)
The NEET Biology Syllabus 2025 represents an in-depth exploration of the biological sciences. It spans fundamental processes, structural biology, and ecological frameworks. When compared to the syllabus from previous years, the 2025 iteration incorporates modified, excluded, and added topics in accordance with the latest NCERT guidelines.
This curriculum serves as a cornerstone for evaluating students’ biology proficiency, particularly for aspirants aiming to secure admission in medical and dental institutions. It delves into topics ranging from the diversity of organisms to the complexities of cellular and ecological dynamics.
The newly revised syllabus encompasses all essential subjects from the NCERT Biology books for Classes 11 and 12, including topics previously excluded from traditional Botany and Zoology coverage. Detailed changes, such as additions and removals of specific subjects, are highlighted below.
Also Check – NEET Exam Date 2025 : Schedule
Chapter Wise Updated NEET Biology Syllabus 2025
The updated syllabus for NEET Biology Updated Syllabus 2025 introduces several adjustments. Certain previously included topics have been removed, while newer themes not covered in NCERT have been integrated. Students are advised to meticulously review these modifications to tailor their preparation effectively. Ignoring the revised syllabus may lead to focusing on outdated material, wasting precious time and effort.
To ensure clarity and better organization, students should create a chapter-wise table of updates. This structured approach will make tracking changes and adapting study plans more straightforward. Staying up-to-date with these revisions is essential for comprehensive exam preparation and maximized performance in the NEET 2025 examination.
Key Highlights of NEET Biology Syllabus 2025 Changes:
- Additions and Exclusions: Topics have been reassessed, resulting in the inclusion of areas beyond the standard NCERT syllabus. Simultaneously, redundant or less relevant topics have been eliminated.
- Focus on Core Areas: The new syllabus emphasizes essential biological concepts, ensuring alignment with modern academic benchmarks.
- Streamlined Study Material: By incorporating the latest updates, students can focus on relevant content and optimize their study efforts.
For those preparing for NEET 2025, the revised syllabus serves as both a roadmap and a benchmark. Diligently following these changes and adapting study strategies accordingly will help ensure success in this competitive exam. For a complete and detailed breakdown, download the official NEET Biology Syllabus 2025 PDF now
NEET Botany and Zoology Syllabus 2025: Unit Wise Weightage
Understanding the chapter-wise weightage of the NEET Biology Syllabus 2025 helps students focus on the most important topics. By prioritizing chapters with higher weightage, candidates can plan their study schedules effectively and maximize their exam scores. In Botany, topics such as Ecology, Genetics, and Evolution hold significant importance due to their higher probability of appearing in the exam. Similarly, in Zoology, Human Physiology is a key chapter with the highest weightage.
Below is the unit-wise weightage for Botany and Zoology based on the latest exam pattern.
NEET 2025 Botany Syllabus Weightage
| Unit Name | Weightage in Percentile |
|---|---|
| Plant Physiology | 9-10% |
| Genetics and Evolution | 10-11% |
| Ecology | 13-14% |
| Cell Biology | 8-9% |
| Biotechnology | 8-9% |
NEET 2025 Zoology Syllabus Weightage
| Unit Name | Weightage in Percentile |
|---|---|
| Human Physiology | 20-21% |
| Diversity in the Living World | 13-14% |
| Structural Organisation in Animals & Plants | 5-6% |
| Reproduction | 9-10% |
| Biology and Human Welfare | 4-5% |
| Biomolecules and Cell Structure | 5-6% |
Biology Syllabus for NEET 2025 Full Detailed
NEET Syllabus 2025 Class 11th Biology
| Chapter | Topics |
|---|---|
| Diversity in the Living World | The Living World What is living?; Biodiversity; Need for classification; Taxonomy & Systematics; Concept of species and taxonomical hierarchy; Binomial nomenclature; |
| Biological Classification Five kingdom classifications; salient features and classification of Monera; Protista and Fungi into major groups; Lichens; Viruses and Viroids. |
|
| Plant Kingdom 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); |
|
| Animal Kingdom Salient features and classification of animals-nonchordate up to phyla level and chordate up to classes level (three to five salient features and at least two examples). |
|
| Structural Organization – Plants and Animals | Morphology & Anatomy of Flowering Plants Morphology and modifications; Tissues; Anatomy and functions of different parts of flowering plants: Root, stem, leaf, inflorescence- cymose and recemose, flower, fruit and seed (To be dealt along with the relevant practical of the Practical Syllabus); Family (Malvaceae, Cruciferae, Leguminoceae, Compositae, Graminae). |
| Structural Organisation in Animals Animal tissues; Morphology, anatomy, and functions of different systems (digestive, circulatory, respiratory, nervous, and reproductive) of an insect (Frog). (Brief account only). |
|
| Cell Structure and Function | Cell-The Unit of Life 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 organelles- structure and function; Endomembrane system (endoplasmic reticulum, Golgi bodies, lysosomes, vacuoles); Mitochondria, ribosomes, plastids, micro bodies; Cytoskeleton, cilia flagella centrioles (ultrastructure and function); Nucleus-nuclear membrane, chromatin, nucleolus. |
| Biomolecules 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. |
|
| Cell Cycle and Cell Division Cell division: Cell cycle, mitosis, meiosis and their significance. |
|
| Plant Physiology | Photosynthesis in Higher Plants Photosynthesis: Photosynthesis as a means of autotrophic nutrition; Site of photosynthesis; 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 in Plants 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, Dedifferentiation, and Redifferentiation; Sequence of developmental process in a plant cell; Growth regulators-auxin, gibberellin, cytokinin, ethylene, ABA. |
|
| Human Physiology | Breathing and Exchange of Gases 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 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 humans-central nervous system, peripheral nervous system, and visceral nervous system; Generation and conduction of nerve impulse. |
|
| Chemical Coordination and Integration 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). |
Also Read – NEET Syllabus 2025 PDF by NTA
NEET Biology Syllabus 2025 Class 12th Biology
| Chapter | Topics |
|---|---|
| Diversity in the Living World | The Living World What is living?; Biodiversity; Need for classification; Taxonomy & Systematics; Concept of species and taxonomical hierarchy; Binomial nomenclature; |
| Biological Classification Five kingdom classifications; salient features and classification of Monera; Protista and Fungi into major groups; Lichens; Viruses and Viroids. |
|
| Plant Kingdom 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); |
|
| Animal Kingdom Salient features and classification of animals-nonchordate up to phyla level and chordate up to classes level (three to five salient features and at least two examples). |
|
| Structural Organization – Plants and Animals | Morphology & Anatomy of Flowering Plants Morphology and modifications; Tissues; Anatomy and functions of different parts of flowering plants: Root, stem, leaf, inflorescence- cymose and recemose, flower, fruit and seed (To be dealt along with the relevant practical of the Practical Syllabus); Family (Malvaceae, Cruciferae, Leguminoceae, Compositae, Graminae). |
| Structural Organisation in Animals Animal tissues; Morphology, anatomy, and functions of different systems (digestive, circulatory, respiratory, nervous, and reproductive) of an insect (Frog). (Brief account only). |
|
| Cell Structure and Function | Cell-The Unit of Life 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 organelles- structure and function; Endomembrane system (endoplasmic reticulum, Golgi bodies, lysosomes, vacuoles); Mitochondria, ribosomes, plastids, micro bodies; Cytoskeleton, cilia flagella centrioles (ultrastructure and function); Nucleus-nuclear membrane, chromatin, nucleolus. |
| Biomolecules 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. |
|
| Cell Cycle and Cell Division Cell division: Cell cycle, mitosis, meiosis and their significance. |
|
| Plant Physiology | Photosynthesis in Higher Plants Photosynthesis: Photosynthesis as a means of autotrophic nutrition; Site of photosynthesis; 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 in Plants 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, Dedifferentiation, and Redifferentiation; Sequence of developmental process in a plant cell; Growth regulators-auxin, gibberellin, cytokinin, ethylene, ABA. |
|
| Human Physiology | Breathing and Exchange of Gases 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 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 humans-central nervous system, peripheral nervous system, and visceral nervous system; Generation and conduction of nerve impulse. |
|
| Chemical Coordination and Integration 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). |