NEET · Syllabus · Biology

NEET Biology Syllabus 2026: Official Units and Rank Sarthi Route Status

Show the current official Biology syllabus and explicitly map all 38 frozen Biology chapter/topic routes to one of four controlled states so an old or contextual URL cannot masquerade as a current official topic.

In short

The official NEET UG 2026 Biology syllabus contains 10 units, from Diversity in Living World through Ecology and Environment. Rank Sarthi has 38 frozen Biology topic routes, but those routes are not all equivalent to current official syllabus headings. In this reconciliation, 30 routes are current official scope, 4 are contextual umbrellas, 1 is partial or merged scope, and 3 are historical or not currently listed.

Official Biology units, NEET UG 2026

Official unit count: 10. Frozen Rank Sarthi Biology topic routes: 38. Route statuses below are editorial classifications against the official 2026 syllabus, not replacements for official wording.

Route-status legend

  • Status
    Current official scope
    Meaning
    The route owns content explicitly represented in the current official syllabus.
  • Status
    Partial or merged scope
    Meaning
    The route overlaps a current unit but its frozen route title is broader or differently segmented than the explicit official wording.
  • Status
    Contextual umbrella
    Meaning
    The route is a useful learning or routing layer over current official topics but is not itself treated as an official syllabus heading.
  • Status
    Historical, not currently listed
    Meaning
    The frozen route is preserved, but the topic is not explicitly present in the current official 2026 Biology syllabus. Default publication state is contextual or historical, draft and noindex.

Current official scope — 30 routes

Each route owns content explicitly represented in the current official NEET UG 2026 Biology syllabus.

  • Route slug
    human-physiology
    Page
    Human Physiology
    2026 official relationship
    Unit 5: Human Physiology
    Editorial boundary
    Exact current official unit umbrella.
  • Route slug
    plant-physiology
    Page
    Plant Physiology
    2026 official relationship
    Unit 4: Plant Physiology
    Editorial boundary
    Exact current official unit umbrella.
  • Route slug
    molecular-basis-of-inheritance
    Page
    Molecular Basis of Inheritance
    2026 official relationship
    Unit 7: Genetics and Evolution
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    evolution
    Page
    Evolution
    2026 official relationship
    Unit 7: Genetics and Evolution
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    biomolecules
    Page
    Biomolecules
    2026 official relationship
    Unit 3: Cell Structure and Function
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    animal-kingdom
    Page
    Animal Kingdom
    2026 official relationship
    Unit 1: Diversity in Living World
    Editorial boundary
    Animal classification is explicitly current.
  • Route slug
    plant-kingdom
    Page
    Plant Kingdom
    2026 official relationship
    Unit 1: Diversity in Living World
    Editorial boundary
    Plant groups are explicitly current.
  • Route slug
    morphology-of-plants
    Page
    Morphology of Plants
    2026 official relationship
    Unit 2: Structural Organisation in Animals and Plants
    Editorial boundary
    Flowering-plant morphology and modifications are explicitly current.
  • Route slug
    anatomy-of-plants
    Page
    Anatomy of Plants
    2026 official relationship
    Unit 2: Structural Organisation in Animals and Plants
    Editorial boundary
    Flowering-plant tissues, anatomy and functions are explicitly current.
  • Route slug
    biological-classification
    Page
    Biological Classification
    2026 official relationship
    Unit 1: Diversity in Living World
    Editorial boundary
    Five-kingdom classification and related groups are explicitly current.
  • Route slug
    living-world
    Page
    Living World
    2026 official relationship
    Unit 1: Diversity in Living World
    Editorial boundary
    Living world, biodiversity, taxonomy and nomenclature are explicitly current.
  • Route slug
    photosynthesis
    Page
    Photosynthesis
    2026 official relationship
    Unit 4: Plant Physiology
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    respiration-in-plants
    Page
    Respiration in Plants
    2026 official relationship
    Unit 4: Plant Physiology
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    body-fluids-circulation
    Page
    Body Fluids Circulation
    2026 official relationship
    Unit 5: Human Physiology
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    excretory-products
    Page
    Excretory Products
    2026 official relationship
    Unit 5: Human Physiology
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    locomotion-movement
    Page
    Locomotion Movement
    2026 official relationship
    Unit 5: Human Physiology
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    neural-control
    Page
    Neural Control
    2026 official relationship
    Unit 5: Human Physiology
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    chemical-coordination
    Page
    Chemical Coordination
    2026 official relationship
    Unit 5: Human Physiology
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    breathing-exchange-gases
    Page
    Breathing Exchange Gases
    2026 official relationship
    Unit 5: Human Physiology
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    human-reproduction
    Page
    Human Reproduction
    2026 official relationship
    Unit 6: Reproduction
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    reproductive-health
    Page
    Reproductive Health
    2026 official relationship
    Unit 6: Reproduction
    Editorial boundary
    Explicit current topic cluster.
  • Route slug
    sexual-reproduction-plants
    Page
    Sexual Reproduction Plants
    2026 official relationship
    Unit 6: Reproduction
    Editorial boundary
    Sexual reproduction in flowering plants is explicitly current.
  • Route slug
    principles-of-inheritance
    Page
    Principles of Inheritance
    2026 official relationship
    Unit 7: Genetics and Evolution
    Editorial boundary
    Heredity, variation and Mendelian inheritance are explicitly current.
  • Route slug
    human-health-disease
    Page
    Human Health Disease
    2026 official relationship
    Unit 8: Biology and Human Welfare
    Editorial boundary
    Health and disease topics are explicitly current.
  • Route slug
    microbes-human-welfare
    Page
    Microbes Human Welfare
    2026 official relationship
    Unit 8: Biology and Human Welfare
    Editorial boundary
    Microbes in human welfare are explicitly current.
  • Route slug
    biotechnology
    Page
    Biotechnology
    2026 official relationship
    Unit 9: Biotechnology and Its Applications
    Editorial boundary
    Current official scope process owner for principles and process of genetic engineering.
  • Route slug
    biotechnology-applications
    Page
    Biotechnology Applications
    2026 official relationship
    Unit 9: Biotechnology and Its Applications
    Editorial boundary
    Application topics are explicitly current.
  • Route slug
    organisms-populations
    Page
    Organisms Populations
    2026 official relationship
    Unit 10: Ecology and Environment
    Editorial boundary
    Organisms, environment and population topics are explicitly current.
  • Route slug
    ecosystem
    Page
    Ecosystem
    2026 official relationship
    Unit 10: Ecology and Environment
    Editorial boundary
    Ecosystem topics are explicitly current.
  • Route slug
    biodiversity-conservation
    Page
    Biodiversity Conservation
    2026 official relationship
    Unit 10: Ecology and Environment
    Editorial boundary
    Biodiversity and conservation are explicitly current.

Contextual umbrella — 4 routes

Useful learning or routing layers over current official topics; not themselves official syllabus headings.

  • Route slug
    genetics
    Page
    Genetics
    2026 official relationship
    Unit 7: Genetics and Evolution
    Editorial boundary
    Broad routing layer for inheritance, molecular genetics and evolution.
  • Route slug
    cell-biology
    Page
    Cell Biology
    2026 official relationship
    Unit 3: Cell Structure and Function
    Editorial boundary
    Editorial umbrella aligned to the current cell unit.
  • Route slug
    ecology
    Page
    Ecology
    2026 official relationship
    Unit 10: Ecology and Environment
    Editorial boundary
    Broad routing layer over current ecology topics.
  • Route slug
    reproduction
    Page
    Reproduction
    2026 official relationship
    Unit 6: Reproduction
    Editorial boundary
    Broad routing layer over current reproduction topics.

Partial or merged scope — 1 route

The route overlaps a current unit but its frozen title is broader or differently segmented than the explicit official wording.

  • Route slug
    /neet/biology/structural-organisation-animals
    Page
    Structural Organisation Animals
    2026 official relationship
    Unit 2: Structural Organisation in Animals and Plants
    Editorial boundary
    Current official scope names animal tissues and gives frog morphology, anatomy and functions in brief; the route title is broader than the explicit wording.

Historical, not currently listed — 3 routes

Frozen routes preserved for context; the topic is not explicitly present in the current official 2026 Biology syllabus.

  • Route slug
    digestion-absorption
    Page
    Digestion Absorption
    2026 official relationship
    Not explicitly listed in the 2026 official Biology syllabus
    Editorial boundary
    Preserve the frozen route only as contextual or historical unless a future official syllabus restores it.
  • Route slug
    environmental-issues
    Page
    Environmental Issues
    2026 official relationship
    Not explicitly listed in the 2026 official Biology syllabus
    Editorial boundary
    Preserve the frozen route only as contextual or historical unless a future official syllabus restores it.
  • Route slug
    transport-in-plants
    Page
    Transport in Plants
    2026 official relationship
    Not explicitly listed in the 2026 official Biology syllabus
    Editorial boundary
    Preserve the frozen route only as contextual or historical unless a future official syllabus restores it.

Route status affects content claims and publication/indexation, not route existence. The frozen URL inventory remains unchanged.

NCERT relationship

NCERT relationship

The official Biology syllabus should be connected to NCERT Biology through stable class, book, chapter and concept relationships, not long copied text. NCERT Biology Class XI covers many Unit 1-5 foundations, and Class XII covers reproduction, genetics and evolution, human welfare, biotechnology and ecology areas in the official NCERT Biology sequence. Every route-level NCERT mapping remains subject to the official book, reprint and SME verification.

Current vs contextual boundary

Current vs contextual boundary

This page is the canonical boundary controller for Biology. Any Biology hub or chapter page must inherit its route-status label from this verified mapping, not from legacy page names or competitor chapter lists.

FAQ

NEET (UG) questions students ask here

Straight answers about how Rank Sarthi fits into serious exam preparation.

Ten official Biology units.

Checked against official NEET (UG) sources

Last updated
9 September 2026