NEET 2027 · Updated from past papers · 79 chapters

NEET Chapter-Wise Weightage for 2027

All 79 chapters across Physics, Chemistry, and Biology — ranked by marks, sortable, searchable. Know exactly where to focus your NEET 2027 prep.

79 chapters ranked 3 subjects · 445 marks Sort, filter & search Based on past paper analysis

0

Physics chapters · 109 marks

0

Chemistry chapters · 140 marks

0

Biology chapters · 196 marks

0

High-priority · ≥9 marks each

The 80/20 of NEET 2027 prep

3 out of 79 chapters (high-weightage, ≥9 marks) account for nearly 6% of the total marks. Master these first, then expand to medium-weightage chapters. Use the table below to sort by marks and plan your study schedule.

Biology carries 50% of NEET marks

With 196 marks out of 445 (44%), Biology is half your score. Prioritize NCERT-based revision.

Browse all chapters

Sort by marks, filter by subject or class, and search for specific chapters. Color-coded by priority: high, medium, lower.

79 of 79 chapters

Modern Physics9
Modern Physics·Class 12High
Principles of Inheritance & Variation9
Genetics & Evolution·Class 12High
Molecular Basis of Inheritance9
Genetics & Evolution·Class 12High
Thermodynamics8
Thermodynamics·Class 11Medium
Electrostatics8
Electrostatics·Class 12Medium
Current Electricity8
Current Electricity·Class 12Medium
Magnetic Effects & EMI8
Magnetism·Class 12Medium
Optics (Ray + Wave)8
Optics·Class 12Medium
Chemical Bonding & Molecular Structure8
Inorganic Chemistry·Class 11Medium
Photosynthesis in Higher Plants8
Plant Physiology·Class 11Medium
Laws of Motion7
Mechanics·Class 11Medium
Equilibrium7
Physical Chemistry·Class 11Medium
Coordination Compounds7
Inorganic Chemistry·Class 12Medium
Aldehydes, Ketones & Carboxylic Acids7
Organic Chemistry·Class 12Medium
Animal Kingdom7
Diversity·Class 11Medium
Body Fluids & Circulation7
Human Physiology·Class 11Medium
Sexual Reproduction in Flowering Plants7
Reproduction·Class 12Medium
Human Reproduction7
Reproduction·Class 12Medium
Evolution7
Genetics & Evolution·Class 12Medium
Human Health & Disease7
Health & Disease·Class 12Medium
Kinematics6
Mechanics·Class 11Medium
Rotational Motion6
Mechanics·Class 11Medium
Oscillations & Waves6
Oscillations & Waves·Class 11Medium
Semiconductors & Logic Gates6
Modern Physics·Class 12Medium
Atomic Structure6
Physical Chemistry·Class 11Medium
Thermodynamics6
Physical Chemistry·Class 11Medium
General Organic Chemistry6
Organic Chemistry·Class 11Medium
Hydrocarbons6
Organic Chemistry·Class 11Medium
Electrochemistry6
Physical Chemistry·Class 12Medium
Chemical Kinetics6
Physical Chemistry·Class 12Medium
Haloalkanes & Haloarenes6
Organic Chemistry·Class 12Medium
Biomolecules & Polymers6
Organic Chemistry·Class 12Medium
The Living World & Biological Classification6
Diversity·Class 11Medium
Morphology of Flowering Plants6
Plant Form & Function·Class 11Medium
Cell: The Unit of Life6
Cell Biology·Class 11Medium
Respiration in Plants6
Plant Physiology·Class 11Medium
Breathing & Exchange of Gases6
Human Physiology·Class 11Medium
Biotechnology: Principles & Processes6
Biotechnology·Class 12Medium
Biotechnology & Its Applications6
Biotechnology·Class 12Medium
Work, Energy & Power5
Mechanics·Class 11Lower
Properties of Solids & Liquids5
Mechanics·Class 11Lower
Basic Concepts of Chemistry5
Physical Chemistry·Class 11Lower
p-Block Elements (Groups 13-14)5
Inorganic Chemistry·Class 11Lower
Solutions5
Physical Chemistry·Class 12Lower
p-Block Elements (Groups 15-18)5
Inorganic Chemistry·Class 12Lower
d- and f-Block Elements5
Inorganic Chemistry·Class 12Lower
Alcohols, Phenols & Ethers5
Organic Chemistry·Class 12Lower
Amines & Nitrogen Compounds5
Organic Chemistry·Class 12Lower
Plant Kingdom5
Diversity·Class 11Lower
Anatomy of Flowering Plants5
Plant Form & Function·Class 11Lower
Structural Organization in Animals5
Animal Form & Function·Class 11Lower
Cell Cycle & Cell Division5
Cell Biology·Class 11Lower
Transport in Plants5
Plant Physiology·Class 11Lower
Digestion & Absorption5
Human Physiology·Class 11Lower
Excretory Products & Their Elimination5
Human Physiology·Class 11Lower
Neural Control & Coordination5
Human Physiology·Class 11Lower
Chemical Coordination & Integration5
Human Physiology·Class 11Lower
Reproductive Health5
Reproduction·Class 12Lower
Microbes in Human Welfare5
Health & Disease·Class 12Lower
Organisms & Populations5
Ecology·Class 12Lower
Ecosystem5
Ecology·Class 12Lower
Biodiversity & Conservation5
Ecology·Class 12Lower
Gravitation4
Mechanics·Class 11Lower
Kinetic Theory of Gases4
Thermodynamics·Class 11Lower
Alternating Current4
Magnetism·Class 12Lower
Electromagnetic Waves4
Electromagnetism·Class 12Lower
Classification of Elements & Periodicity4
Inorganic Chemistry·Class 11Lower
States of Matter (Gases & Liquids)4
Physical Chemistry·Class 11Lower
Redox Reactions4
Physical Chemistry·Class 11Lower
s-Block Elements4
Inorganic Chemistry·Class 11Lower
Solid State4
Physical Chemistry·Class 12Lower
Surface Chemistry4
Physical Chemistry·Class 12Lower
Mineral Nutrition4
Plant Physiology·Class 11Lower
Plant Growth & Development4
Plant Physiology·Class 11Lower
Locomotion & Movement4
Human Physiology·Class 11Lower
Environmental Issues4
Ecology·Class 12Lower
Physical World & Measurement3
Measurement·Class 11Lower
Environmental Chemistry2
Physical Chemistry·Class 11Lower
Chemistry in Everyday Life2
Organic Chemistry·Class 12Lower

Click column headers to sort · 79 chapters shown · Weights based on JEE Mains 2019–2024 analysis

Unit-wise breakdown

See how marks are distributed across units within each subject, with study tips for every unit.

Physics

Measurement3 marks
Mechanics33 marks
Thermodynamics12 marks
Oscillations & Waves6 marks
Electrostatics8 marks
Current Electricity8 marks
Magnetism12 marks
Electromagnetism4 marks
Optics8 marks
Modern Physics15 marks

Chemistry

Physical Chemistry59 marks
Inorganic Chemistry38 marks
Organic Chemistry43 marks

Biology

Diversity18 marks
Plant Form & Function11 marks
Animal Form & Function5 marks
Cell Biology11 marks
Plant Physiology27 marks
Human Physiology37 marks
Reproduction19 marks
Genetics & Evolution25 marks
Health & Disease12 marks
Biotechnology12 marks
Ecology19 marks

Study tips by unit

Practical advice for each unit based on how questions are typically asked in NEET UG.

Mechanics

Kinematics + Newton's laws cover ~30% of NEET Physics. Focus on formula application and dimensional analysis.

Thermodynamics

Thermodynamics + KTG = 12 marks. Master the laws, Carnot cycle, and P-V diagram problems.

Electrostatics

Coulomb's law, Gauss theorem, and capacitor networks are frequently tested in NEET.

Current Electricity

Kirchhoff's laws, meter bridge, and potentiometer — direct formula-based questions are common.

Magnetism

Moving charges, magnetic materials, EMI — interconnected topics. Practice one set daily.

Optics

Ray optics dominates with mirror/lens formula. Wave optics has fewer questions but easy marks.

Modern Physics

Highest weightage in NEET Physics. Photoelectric effect, nuclear physics — mostly formula-based.

Physical Chemistry

Calculation-heavy. Mole concept, equilibrium, and electrochemistry. Practice speed and accuracy.

Inorganic Chemistry

Memory-based. Periodic trends, bonding, coordination compounds — NCERT tables are your best friend.

Organic Chemistry

Reaction mechanisms + NCERT named reactions. Aldehydes, biomolecules, and hydrocarbons are high-yield.

Diversity

Animal Kingdom + Plant Kingdom = 12 marks. Focus on examples, class characteristics, and scientific names.

Plant Form & Function

Morphology + Anatomy = 11 marks. Diagrams of floral parts and T.S. sections are frequently asked.

Animal Form & Function

Structural organization with tissue types and organ systems. Easy marks with NCERT reading.

Cell Biology

Cell cycle, cell division, and organelles — diagrams and functions are commonly tested.

Plant Physiology

Photosynthesis (8 marks) is the most important. Respiration, transport, and growth follow. Understand processes, not just facts.

Human Physiology

13 chapters across body systems. Body fluids, circulation, and breathing are high-yield. NCERT is everything.

Reproduction

Flowering plants + human reproduction = 19 marks. Diagrams of reproductive structures are must-practice.

Genetics & Evolution

Inheritance + molecular basis = 18 marks (highest in Biology). Pedigree analysis and DNA processes are key.

Health & Disease

Human health + microbes = 12 marks. Diseases, immunity, and vaccines — NCERT-based direct questions.

Biotechnology

Principles + applications = 12 marks. Tools, techniques, and GM crops — application-based questions increasing.

Ecology

Organisms, ecosystem, biodiversity = 19 marks. Easy scoring — population ecology and conservation are key.

Electromagnetism

EM waves + related concepts. Small unit but easy marks — revise in one sitting.

Measurement

Units, dimensions, and errors — foundational. Quick revision before exam.

Oscillations & Waves

SHM, wave motion, and Doppler effect. Formula-based questions with straightforward application.

Priority breakdown

Not all chapters are equal. Here's how to allocate your study time based on weightage.

High Priority9–12 marks

3 chapters carry the most marks. Spend ~50% of your study time here. Master them before anything else.

Modern PhysicsPrinciples of Inheritance & VariationMolecular Basis of Inheritance
Medium Priority6–8 marks

35 chapters with solid coverage expected. Once high-priority chapters are strong, these will push your score from good to great.

KinematicsLaws of MotionRotational MotionThermodynamicsOscillations & WavesElectrostaticsCurrent ElectricityMagnetic Effects & EMIOptics (Ray + Wave)Semiconductors & Logic GatesAtomic StructureChemical Bonding & Molecular StructureEquilibriumGeneral Organic ChemistryHydrocarbonsElectrochemistryChemical KineticsCoordination CompoundsHaloalkanes & HaloarenesAldehydes, Ketones & Carboxylic AcidsBiomolecules & PolymersThe Living World & Biological ClassificationAnimal KingdomMorphology of Flowering PlantsCell: The Unit of LifePhotosynthesis in Higher PlantsRespiration in PlantsBreathing & Exchange of GasesBody Fluids & CirculationSexual Reproduction in Flowering PlantsHuman ReproductionEvolutionHuman Health & DiseaseBiotechnology: Principles & ProcessesBiotechnology & Its Applications
Lower Priority2–5 marks

40 chapters. Few direct questions but can be deciding factors. Cover these after mastering high and medium chapters.

Physical World & MeasurementWork, Energy & PowerGravitationProperties of Solids & LiquidsKinetic Theory of GasesAlternating CurrentElectromagnetic WavesBasic Concepts of ChemistryClassification of Elements & PeriodicityStates of Matter (Gases & Liquids)Redox Reactionss-Block Elementsp-Block Elements (Groups 13-14)Environmental ChemistrySolid StateSolutionsSurface Chemistryp-Block Elements (Groups 15-18)d- and f-Block ElementsAlcohols, Phenols & EthersAmines & Nitrogen CompoundsChemistry in Everyday LifePlant KingdomAnatomy of Flowering PlantsStructural Organization in AnimalsCell Cycle & Cell DivisionTransport in PlantsMineral NutritionPlant Growth & DevelopmentDigestion & AbsorptionExcretory Products & Their EliminationLocomotion & MovementNeural Control & CoordinationChemical Coordination & IntegrationReproductive HealthMicrobes in Human WelfareOrganisms & PopulationsEcosystemBiodiversity & ConservationEnvironmental Issues

How to use this weightage

A strategic approach to NEET 2027 prep using chapter weightage as your guide.

1

Master high-weightage first

Spend the first 2-3 months on the 3 high-priority chapters (≥9 marks). These account for ~6% of total marks.

2

Sort & filter as you progress

Use the interactive table above to filter by subject or class. Sort by unit to study related chapters together for better retention.

3

Track chapter-wise progress

Knowing you've 'done Biology' isn't enough. Track which specific chapters you've covered. SyncStudy shows per-chapter progress from your YouTube playlists.

4

Revise by priority order

When revising, start from high-weightage chapters. Allocate more revision slots to medium chapters. Low-weightage chapters need fewer passes.

5

Time-box by weightage %

Let weightage guide your schedule. A high-priority chapter (≥9 marks) deserves ~2%+ of your study time. A low-priority chapter (~1-5%) needs proportionally less.

6

NCERT is non-negotiable

NEET questions are largely NCERT-based. Read each chapter from NCERT alongside the weightage table. Biology requires word-for-word NCERT memorization.

Frequently asked questions

Common questions about NEET chapter weightage and how to use it for 2027 prep.

What does 'weightage' mean?

Weightage refers to the approximate number of marks a chapter contributes in NEET UG. A chapter with weight 9 means it typically has questions worth around 9 marks (usually 2-3 questions) in the exam. These are calculated from analyzing past NEET papers.

Is this weightage from NCERT syllabus?

Yes. All chapters listed map directly to the NCERT Class 11 and Class 12 textbooks prescribed for NEET UG. The weightage values are derived from analyzing which NCERT topics appear most frequently in NEET papers.

Will the weightage change for NEET 2027?

The chapter distribution remains largely stable year to year. Genetics, Human Physiology, and Modern Physics consistently have high weightage. Some chapters fluctuate by 1-2 marks, but the priority ranking stays reliable. We'll update this page after each NEET session.

Should I skip low-weightage chapters?

No. Low-weightage chapters (2-5 marks) often have easier, fact-based questions that can secure quick marks. The strategy is: master high-weightage first, then medium, then low. Don't skip any — just prioritize. A single low-weightage chapter can decide your rank.

How is Biology weightage split between Botany and Zoology?

NEET Biology combines both Botany and Zoology in one paper. In our breakdown, units like Plant Physiology, Diversity, and Plant Form & Function cover Botany content. Human Physiology, Animal Diversity, and Health & Disease cover Zoology. Both are equally important.

How many chapters should I study per day?

Aim for 1-2 chapters per day with proper question practice. Cover all high-priority chapters in the first 2 months, medium in the next 2 months, and low in the final months. With ~80 chapters across all subjects, plan a 6-8 month timeline.

How can SyncStudy help me track these chapters?

SyncStudy lets you create courses from your NEET YouTube playlists (Physics Wallah, Unacademy, Vedantu, etc.). Each video is tagged to a chapter. You can see per-chapter progress, mark videos as complete, and track which chapters you've covered — all in one dashboard.

Can I see this weightage inside my SyncStudy dashboard?

Yes. The NEET syllabus tracker in SyncStudy shows the complete chapter list with weightage. When you watch videos from your playlists, it automatically marks chapters as in progress or completed. Sign up free and paste your first playlist link to get started.

Track every chapter as you finish it

Open the NEET syllabus tracker, paste your YouTube playlist links, and watch your chapter progress fill in automatically. Free for the first 3 playlists — no credit card needed.

Open NEET tracker