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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