BIOLOGY • NEET SYLLABUS

Biology Resources

360 out of 720 marks in NEET derive from Biology. Master NCERT Botany and Zoology with diagram precision and zero rote-memorization traps.

Total NCERT Chapters: 32 Class 11: 19 chapters Class 12: 13 chapters
Track in Revision Checklist →

Featured Biology Guides

BIOLOGY 9 min read

NEET बायोलॉजी NCERT रिवीज़न योजना: 360/360 का वैज्ञानिक रोडमैप (Hindi)

NEET Biology में 360 अंक प्राप्त करने के लिए NCERT रिवीज़न की वैज्ञानिक तकनीक। आरेखों की पहचान, अपवादों की सूची और एक्टिव रिकॉल का सही उपयोग।

बायोलॉजी रिवीज़न पद्धति (Hindi) Open →

Biology NCERT Chapter Blueprint & Weightage

Class Unit Chapter Name NEET Priority Key Focus Areas
Class 11 Diversity in the Living World The Living World Moderate Binomial nomenclature, taxonomic categories, taxonomic aids
Class 11 Diversity in the Living World Biological Classification High Five kingdom classification, Monera, Protista, Fungi classes, Lichens & Viruses
Class 11 Diversity in the Living World Plant Kingdom High Algae pigment & food storage, Bryophytes life cycle, Pteridophytes heterospory, Gymnosperms
Class 11 Diversity in the Living World Animal Kingdom Very High Phylum levels of organisation, coelom, symmetry, unique features (cnidoblasts, flame cells, radula, water vascular system)
Class 11 Structural Organisation in Animals and Plants Morphology of Flowering Plants Very High Root/stem modifications, venation, aestivation, placentation, floral formulas of families
Class 11 Structural Organisation in Animals and Plants Anatomy of Flowering Plants High Meristems, tissue systems, dicot vs monocot root/stem/leaf anatomy, secondary growth
Class 11 Structural Organisation in Animals and Plants Structural Organisation in Animals Moderate Epithelial tissue types and junctions, Frog anatomy & morphology (per updated syllabus)
Class 11 Cell Structure and Function Cell: The Unit of Life Very High Fluid mosaic model, endomembrane system, mitochondria, plastids, ribosomes (70S vs 80S), cilia/flagella 9+2 arrangement
Class 11 Cell Structure and Function Biomolecules Very High Amino acids (zwitterion), peptide & glycosidic bonds, enzyme kinetics (Km, competitive inhibition), nucleic acid structure
Class 11 Cell Structure and Function Cell Cycle and Cell Division Very High Interphase phases (G1, S, G2), Prophase I substages (Leptotene to Diakinesis, crossing over in Pachytene), Mitosis vs Meiosis chromosome counts
Class 11 Plant Physiology Photosynthesis in Higher Plants Very High Light reaction (Z-scheme, cyclic vs non-cyclic photophosphorylation), Chemiosmosis, Calvin cycle steps, C4 pathway & Kranz anatomy, Photorespiration
Class 11 Plant Physiology Respiration in Plants High Glycolysis (EMP pathway), TCA cycle steps & ATP yield, Electron Transport System (Complex I-IV), Respiratory Quotient (RQ values)
Class 11 Plant Physiology Plant Growth and Development Moderate Plant growth regulators (Auxin, Gibberellin, Cytokinin, Ethylene, ABA), Photoperiodism, Vernalization
Class 11 Human Physiology Breathing and Exchange of Gases High Respiratory volumes (TV, IRV, ERV, RV, VC, TLC), gas partial pressures (pO2, pCO2), Oxygen dissociation curve & Bohr effect
Class 11 Human Physiology Body Fluids and Circulation High Blood grouping (ABO, Rh incompatibility/erythroblastosis foetalis), Cardiac cycle, ECG waves (P, QRS, T), double circulation
Class 11 Human Physiology Excretory Products and Their Elimination High Nephron structure, urine formation (filtration, reabsorption, secretion), counter-current mechanism in Henle loop & vasa recta, RAAS regulation
Class 11 Human Physiology Locomotion and Movement High Striated muscle sarcomere sliding filament theory, actin-myosin cross bridge, bones count (axial vs appendicular, atlas vertebra), joints
Class 11 Human Physiology Neural Control and Coordination High Nerve impulse generation and conduction (resting potential, depolarization, repolarization), synaptic transmission, human brain parts
Class 11 Human Physiology Chemical Coordination and Integration Very High Endocrine glands, hormones mechanism of action (peptide vs steroid), Pituitary, Thyroid, Parathyroid, Adrenal, Pancreas hormones
Class 12 Reproduction Sexual Reproduction in Flowering Plants Very High Microsporogenesis, megasporogenesis, pollen-pistil interaction, double fertilization, endosperm types, apomixis & polyembryony
Class 12 Reproduction Human Reproduction Very High Male & female reproductive system anatomy, Spermatogenesis vs Oogenesis, Menstrual cycle hormone graphs (LH surge, progesterone), Fertilization & implantation
Class 12 Reproduction Reproductive Health High Contraceptive methods (barrier, IUDs, hormonal pills, surgical), Medical Termination of Pregnancy (MTP), Assisted Reproductive Technologies (ART: IVF, ZIFT, GIFT, ICSI)
Class 12 Genetics and Evolution Principles of Inheritance and Variation Top Priority Mendelian laws, incomplete dominance, codominance (ABO), sex determination, linkage & recombination (Morgan's fruit fly), pedigree analysis, chromosomal & Mendelian disorders (Sickle cell, Thalassemia, Hemophilia)
Class 12 Genetics and Evolution Molecular Basis of Inheritance Top Priority DNA structure (Watson-Crick), Griffith & Hershey-Chase experiments, Meselson-Stahl semi-conservative proof, Replication fork enzymes, Transcription & post-transcriptional processing, Genetic code features, Lac Operon regulation, Human Genome Project
Class 12 Genetics and Evolution Evolution High Origin of life (Miller-Urey experiment), homologous vs analogous organs (divergent vs convergent evolution), Natural selection (industrial melanism), Hardy-Weinberg equilibrium calculation, Human evolution sequence
Class 12 Biology in Human Welfare Human Health and Disease Very High Pathogens (Plasmodium life cycle, Typhoid, Pneumonia, Amoebiasis, Ringworm), Innate vs acquired immunity, Antibody structure, Allergies, Autoimmunity, AIDS retrovirus cycle, Cancer biology, Drug & alcohol abuse
Class 12 Biology in Human Welfare Microbes in Human Welfare High Household microbes (LAB), Industrial products (fermentors, antibiotics, statins, cyclosporin A), Sewage treatment (primary vs secondary aeration), Biogas production, Biocontrol agents & Biofertilizers
Class 12 Biotechnology Biotechnology: Principles and Processes Very High Restriction endonucleases, Gel electrophoresis, pBR322 cloning vector features (ori, selectable markers rop), Polymerase Chain Reaction (PCR steps: denaturation, annealing, extension), Bioreactors
Class 12 Biotechnology Biotechnology and its Applications High Bt cotton (cry genes), RNA interference (RNAi in tobacco nematode), Genetically engineered insulin (humulin chain A & B disulfide bonds), Gene therapy for ADA deficiency, Transgenic animals & Ethical issues
Class 12 Ecology and Environment Organisms and Populations High Abiotic factors adaptations, Population growth models (exponential vs logistic), Age pyramids, Population interactions (mutualism, commensalism, competition, predation, parasitism)
Class 12 Ecology and Environment Ecosystem High Productivity (GPP, NPP), Decomposition steps (fragmentation, leaching, catabolism, humification, mineralization), Energy flow (10% law), Ecological pyramids
Class 12 Ecology and Environment Biodiversity and Conservation High Levels of biodiversity, Species-Area relationship (Alexander von Humboldt), Causes of loss (The Evil Quartet), In-situ vs Ex-situ conservation techniques