NEET-UG • Biology
High-Yield Weightage Matrix
NEET-UG Biology Syllabus & PYQ Weightage Matrix
Detailed chapter breakdown calibrated against NTA blueprints and 2019–2026 historical Previous Year Questions. Track high-frequency topics and schedule active recall drills on Adapt Vector.
Total Chapters
17 High-Yield Topics
Pedagogical Units
4 Core Modules
Estimated Mastery Time
194 Hours
Module 1: Diversity in the Living World & Structural Organisation
3.7% PYQ Weightage~8h study
The Living World & Biological Classification
Key Subtopics:
- Characteristics of Living Beings, Binomial Nomenclature & Taxonomic Hierarchy
- Five Kingdom Classification (Whittaker System)
- Kingdom Monera: Archaebacteria, Eubacteria & Mycoplasma
- +3 more subtopics
6.6% PYQ Weightage~11h study
Plant Kingdom & Animal Kingdom
Key Subtopics:
- Algae (Chlorophyceae, Phaeophyceae, Rhodophyceae)
- Bryophytes (Liverworts & Mosses) & Pteridophytes (Lycopsida, Pteropsida)
- Gymnosperms & Angiosperms (Alternation of Generations)
- +3 more subtopics
5.1% PYQ Weightage~11h study
Morphology & Anatomy of Flowering Plants
Key Subtopics:
- Modifications of Root, Stem and Leaves
- Inflorescence (Racemose vs Cymose) & Flower Structure
- Placentation Types, Fruit Types & Seed Structure
- +4 more subtopics
3.2% PYQ Weightage~8h study
Structural Organisation in Animals (Animal Tissues & Morphology)
Key Subtopics:
- Epithelial Tissue (Simple, Compound, Ciliated, Glandular)
- Connective Tissue (Loose, Dense, Specialized - Cartilage, Bone, Blood)
- Muscular Tissue (Skeletal, Smooth, Cardiac) & Neural Tissue
- +1 more subtopics
Module 2: Cell Biology & Genetics
5.6% PYQ Weightage~11h study
Cell: The Unit of Life & Biomolecules
Key Subtopics:
- Cell Theory & Prokaryotic vs Eukaryotic Cell Structure
- Plasma Membrane (Fluid Mosaic Model) & Cell Wall
- Endomembrane System (ER, Golgi, Lysosomes, Vacuoles)
- +4 more subtopics
4.5% PYQ Weightage~10h study
Cell Cycle and Cell Division
Key Subtopics:
- Phases of Cell Cycle (G1, S, G2, M Phase) & G0 Quiescent Stage
- Mitosis: Prophase, Metaphase, Anaphase, Telophase & Cytokinesis
- Significance of Mitosis
- +2 more subtopics
8.8% PYQ Weightage~13h study
Principles of Inheritance and Variation (Mendelian Genetics)
Key Subtopics:
- Mendel's Laws of Inheritance (Dominance, Segregation, Independent Assortment)
- Incomplete Dominance, Co-dominance & Multiple Alleles (ABO Blood Groups)
- Chromosomal Theory of Inheritance & Morgan’s Linkage/Recombination Experiments
- +3 more subtopics
9.3% PYQ Weightage~15h study
Molecular Basis of Inheritance (DNA & Gene Expression)
Key Subtopics:
- DNA as Genetic Material (Griffith, Avery-MacLeod-McCarty, Hershey-Chase Experiments)
- Structure of DNA Double Helix & Packaging of DNA (Nucleosome Model)
- Semi-Conservative DNA Replication & Meselson-Stahl Experiment
- +5 more subtopics
4% PYQ Weightage~11h study
Evolution
Key Subtopics:
- Origin of Life (Miller-Urey Experiment) & Biological Evolution
- Evidences for Evolution (Homologous/Analogous Organs, Paleontological, Embryological)
- Adaptive Radiation (Darwin’s Finches, Australian Marsupials)
- +3 more subtopics
Module 3: Plant & Human Physiology
6.4% PYQ Weightage~14h study
Photosynthesis in Higher Plants & Respiration
Key Subtopics:
- Pigments in Photosynthesis & Absorption/Action Spectra
- Light Reaction: Photosystems I & II, Cyclic & Non-Cyclic Photophosphorylation
- Chemiosmotic Hypothesis of ATP Synthesis
- +5 more subtopics
2.9% PYQ Weightage~8h study
Plant Growth and Development
Key Subtopics:
- Growth Phases, Arithmetic & Geometric Growth, Sigmoid Growth Curve
- Differentiation, Dedifferentiation, Redifferentiation & Plasticity
- Plant Growth Regulators (PGRs): Auxins, Gibberellins, Cytokinins, Ethylene, Abscisic Acid (ABA)
- +1 more subtopics
6.1% PYQ Weightage~12h study
Breathing, Body Fluids & Circulation
Key Subtopics:
- Human Respiratory System, Mechanism of Breathing & Respiratory Volumes/Capacities
- Exchange and Transport of Gases (O2-Hemoglobin Dissociation Curve, CO2 Transport)
- Regulation of Respiration & Disorders (Asthma, Emphysema, Occupational Lung Diseases)
- +4 more subtopics
7.2% PYQ Weightage~13h study
Excretion, Locomotion & Neural-Chemical Coordination
Key Subtopics:
- Modes of Excretion (Ammonotelic, Ureotelic, Uricotelic) & Human Excretory System
- Nephron Structure, Mechanism of Urine Formation (Filtration, Reabsorption, Secretion)
- Counter-Current Mechanism & Regulation of Kidney Function (RAAS, ADH, ANF)
- +5 more subtopics
Module 4: Reproduction, Biotechnology & Ecology
5.9% PYQ Weightage~11h study
Sexual Reproduction in Flowering Plants
Key Subtopics:
- Flower Structure, Microsporogenesis & Pollen Grain Development
- Megasporogenesis & Embryo Sac (Female Gametophyte) Development
- Pollination Types, Agents & Outbreeding Devices
- +3 more subtopics
6.6% PYQ Weightage~13h study
Human Reproduction & Reproductive Health
Key Subtopics:
- Male Reproductive System & Spermatogenesis
- Female Reproductive System, Oogenesis & Follicular Development
- Menstrual Cycle Hormonal Control
- +5 more subtopics
7.2% PYQ Weightage~13h study
Biotechnology: Principles, Processes & Applications
Key Subtopics:
- Recombinant DNA Technology Tools: Restriction Enzymes, Ligases, Polymerases
- Cloning Vectors (pBR322 Features, Selectable Markers, Expression Vectors)
- Competent Host Preparation & Methods of Gene Insertion (Biolistics, Microinjection)
- +4 more subtopics
6.9% PYQ Weightage~12h study
Organisms, Ecosystem & Biodiversity Conservation
Key Subtopics:
- Organism and its Environment: Abiotic Factors, Adaptations in Plants & Animals
- Population Attributes: Natality, Mortality, Age Pyramids & Growth Models (Exponential/Logistic)
- Population Interactions: Mutualism, Competition, Predation, Parasitism, Commensalism, Amensalism
- +5 more subtopics
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