NEET 2026 Syllabus PDF Download; Check Subject Wise Topics & Weightage

As NEET is one of the toughest competitive exams, aspirants should have an idea about the NEET syllabus 2026 topic-wise. They should know how many questions would be asked from which topic of the particular subject, or the NEET subject-wise weightage. The NEET 2026 syllabus will comprise three subjects: Chemistry, Physics, and Biology. A maximum number of questions will be asked from Biology, which will be further divided into Zoology and Botany.

A candidate needs to know the NTA syllabus for NEET 2026 as per the topics. From Physics, topics like Optics, Electrostatics, Thermodynamics, etc, have high weightage, while in Biology, subjects, Genetics and Evolution, and Human Physiology are high weightage topics.

NEET 2026 Subject-wise Syllabus

• NEET Biology Syllabus with Chapter-wise Weightage
• Weightage of 11th and 12th in NEET

To download the NEET syllabus 2026 PDF, click on the link given below. 

Note: The NEET 2026 syllabus official PDF by NTA will be provided here as and when it is released.

Let us take a look at the major topics from the NEET Biology syllabus and the class-wise distribution of subjects alongside weightages assigned to those. 

Unit I: Diversity in Living World

• What is living?; Biodiversity; Need for classification; Taxonomy & Systematics; Concept of species and taxonomical hierarchy; Binomial nomenclature.

• Five kingdom classifications; salient features and classification of Monera; Protista and Fungi into major groups; Lichens; Viruses and Viroids.

• Salient features and classification of plants into major groups - Algae, Bryophytes, Pteridophytes, Gymnosperms (three to five salient and distinguishing features and at least two examples of each category).

• Salient features and classification of animals-nonchordate up to phyla level and chordate up to classes level (three to five salient features and at least two examples)

Unit II: Structural Organisation in Animals and Plants

• Morphology and modifications; Tissues; Anatomy and functions of different parts of flowering plants: Root, stem, leaf, inflorescence- cymose and recemose, flower, fruit and seed (To be dealt along with the relevant practical of the Practical Syllabus). Family (malvaceae, Cruciferae, leguminoceae, compositae, graminae).

• Animal tissues; Morphology, anatomy and functions of different systems (digestive, circulatory, respiratory, nervous and reproductive) of an insect (frog). (Brief account only)

Unit III: Cell Structure and Function

• Cell theory and cell as the basic unit of life; Structure of prokaryotic and eukaryotic cell; Plant cell and animal cell; Cell envelope, cell membrane, cell wall; Cell organelles-structure and function; Endomembrane system-endoplasmic reticulum, Golgi bodies, lysosomes, vacuoles; mitochondria, ribosomes, plastids, microbodies; Cytoskeleton, cilia, flagella, centrioles (ultra structure and function); Nucleus-nuclear membrane, chromatin, nucleolus.

• Chemical constituents of living cells: Biomolecules-structure and function of proteins, carbohydrates, lipids, nucleic acids; Enzymes-types, properties, enzyme action, classification and nomenclature of enzymes.

• B Cell division: Cell cycle, mitosis, meiosis and their significance.

Unit IV: Plant Physiology

• Photosynthesis: Photosynthesis as a means of Autotrophic nutrition; Site of photosynthesis takes place; pigments involved in Photosynthesis (Elementary idea); Photochemical and biosynthetic phases of photosynthesis; Cyclic and non-cyclic and photophosphorylation; Chemiosmotic hypothesis; Photorespiration, C3 and C4 pathways; Factors affecting photosynthesis.

• Respiration: Exchange gases; Cellular respiration-glycolysis, fermentation (anaerobic), TCA cycle and electron transport system (aerobic); Energy relations- Number of ATP molecules generated; Amphibolic pathways; Respiratory quotient.

• Plant growth and development: Seed germination; Phases of Plant growth and plant growth rate; Conditions of growth; Differentiation, dedifferentiation and redifferentiation; Sequence of developmental process in a plant cell; Growth regulators- auxin, gibberellin, cytokinin, ethylene, ABA.

Unit V: Human Physiology

• Breathing and Respiration: Respiratory organs in animals (recall only); Respiratory system in humans; Mechanism of breathing and its regulation in humans-Exchange of gases, transport of gases and regulation of respiration; Respiratory volumes; Disorders related to respiration-Asthma, Emphysema, Occupational respiratory disorders.

• Body fluids and circulation: Composition of blood, blood groups, coagulation of blood; Composition of lymph and its function; Human circulatory system-Structure of human heart and blood vessels; Cardiac cycle, cardiac output, ECG, Double circulation; Regulation of cardiac activity; Disorders of circulatory system-Hypertension, Coronary artery disease, Angina pectoris, Heart failure.

• Excretory products and their elimination: Modes of excretion- Ammonotelism, ureotelism, uricotelism; Human excretory system-structure and function; Urine formation, Osmoregulation; Regulation of kidney function-Renin-angiotensin, Atrial Natriuretic Factor, ADH and Diabetes insipidus; Role of other organs in excretion; Disorders; Uraemia, Renal failure, Renal calculi, Nephritis; Dialysis and artificial kidney.

• Locomotion and Movement: Types of movement- ciliary, flagellar, muscular; Skeletal muscle-contractile proteins and muscle contraction; Skeletal system and its functions (To be dealt with the relevant practical of Practical syllabus); Joints; Disorders of muscular and skeletal system-Myasthenia gravis, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, Gout.

• Neural control and coordination: Neuron and nerves; Nervous system in human central nervous system, peripheral nervous system and visceral nervous system; Generation and conduction of nerve impulse; Reflex action; Sense organs; Elementary structure and function of eye and ear.

• Chemical coordination and regulation: Endocrine glands and hormones; Human endocrine system Hypothalamus, Pituitary, Pineal, Thyroid, Parathyroid, Adrenal, Pancreas, Gonads; Mechanism of hormone action (Elementary Idea); Role of hormones as messengers and regulators, Hypo-and hyperactivity and related disorders (Common disorders e.g. Dwarfism, Acromegaly, Cretinism, goiter, exopthalmic goiter, diabetes, Addison’s disease). (Imp: Diseases and disorders mentioned above to be dealt in brief.)

Unit VI: Reproduction

• Sexual reproduction in flowering plants: Flower structure; Development of male and female gametophytes; Pollination-types, agencies and examples; Outbreeding devices; Pollen-Pistil interaction; Double fertilization; Post fertilization events- Development of endosperm and embryo, Development of seed and formation of fruit; Special modes-apomixis, parthenocarpy, polyembryony; Significance of seed and fruit formation.

• Human Reproduction: Male and female reproductive systems; Microscopic anatomy of testis and ovary; Gametogenesis-spermatogenesis & oogenesis; Menstrual cycle; Fertilisation, embryo development up to blastocyst formation, implantation; Pregnancy and placenta formation (Elementary idea); Parturition (Elementary idea); Lactation (Elementary idea).

• Reproductive health: Need for reproductive health and prevention of sexually transmitted diseases (STD); Birth control - Need and Methods, Contraception and Medical Termination of Pregnancy (MTP); Amniocentesis; Infertility and assisted reproductive technologies – IVF, ZIFT, GIFT (Elementary idea for general awareness)

Unit VII: Genetics and Evolution

• Heredity and variation: Mendelian Inheritance; Deviations from Mendelism- Incomplete dominance, Co-dominance, Multiple alleles and Inheritance of blood groups, Pleiotropy; Elementary idea of polygenic inheritance; Chromosome theory of inheritance; Chromosomes and genes; Sex determination-In humans, birds, honey bee; Linkage and crossing over; Sex linked inheritance-Haemophilia, Colour blindness; Mendelian disorders in humans-Thalassemia; Chromosomal disorders in humans; Down’s syndrome, Turner’s and Klinefelter’s syndromes.

• Molecular basis of Inheritance: Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging; DNA replication; Central dogma; Transcription, genetic code, translation; Gene expression and regulation- Lac Operon; Genome and human genome project; DNA fingerprinting, protein biosynthesis. 

• Evolution: Origin of life; Biological evolution and evidence for biological evolution from Palaeontology, comparative anatomy, embryology and molecular evidence.Darwin’s contribution, Modern Synthetic theory of Evolution; Mechanism of evolution-Variation (Mutation and Recombination) and Natural Selection with examples, types of natural selection; Gene flow and genetic drift; Hardy-Weinberg’s principle; Adaptive Radiation; Human evolution.

Unit VIII: Biology and Human Welfare

• Health and Disease; Pathogens; parasites causing human diseases (Malaria, Filariasis, Ascariasis, Typhoid, Pneumonia, common cold, amoebiasis, ring worm); Basic concepts of immunology-vaccines; Cancer, HIV and AIDS; Adolescence, drug and alcohol abuse, Tobacco abuse.

• Improvement in food production; Plant breeding, tissue culture, single cell protein, Biofortification; Apiculture and Animal husbandry.

• Microbes in human welfare: In household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilizers.

Unit IX: Biotechnology and Its Applications

• Principles and process of Biotechnology: Genetic engineering (Recombinant DNA technology).

• Application of Biotechnology in Health and Agriculture: Human insulin and vaccine production, gene therapy; Genetically modified organisms-Bt crops; Transgenic Animals; Biosafety issues- Biopiracy and patents.

Unit X: Ecology and Environment

• Organisms and environment: Population interactions-mutualism, competition, predation, parasitism; Population attributes-growth, birth rate and death rate, age distribution.

• Ecosystem: Patterns, components; productivity and decomposition; Energy flow; Pyramids of number, biomass, energy.

• Biodiversity and its conservation: Concept of Biodiversity; Patterns of Biodiversity; Importance of Biodiversity; Loss of Biodiversity; Biodiversity conservation; Hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves, National parks and sanctuaries, Sacred Groves.

Also Read: NEET Biology Syllabus: PDF Download With Weightage

NEET Biology Topic-wise Questions

Analysing the topic-wise weightages of the Biology section, Shiksha is bringing topic-wise questions asked in the previous years' NEET question papers which they can practice from. Some of the important topics include Cell Cycle and Cell Division, Microbes in Human Welfare, Reproduction in Organisms, Human Reproduction, Biological Classification and Living World. Candidates can download the question paper PDFs from the table below.

Best books for NEET Biology

Some of the best books for NEET Biology preparation are as follows:

1. 40 Days Biology for NEET by S Chakravarty
2. Exploring Biology (Vol 1 & 2) by Sanjay Sharma & Sudhakar Banerjee (Arihant Publications)
3. GR Bathla publications for Biology
4. Medical Entrances Biology (Vol 1, 2 & 3) by Mamta R Solanki & Lalita Ghotik (Target Publications)
5. Moderns ABC Plus of Biology for XI & XII (B B Arora and A K Sabharwal - Modern Publishers)
6. Objective Biology (Vol 1, 2 & 3), Dinesh Publications
7. Objective Botany by Ansari
8. Pradeep’s A Textbook of Biology
9. Trueman’s Objective Biology for NEET by M P Tyagi

Also Read:

• How to Prepare for the Biology Section of NEET?
• Best books for NEET Biology 
• NEET Biology Question Papers

NEET 2026 Physics syllabus will comprise topics from both Class 11 and Class 12. Candidates need to prepare all the topics of Physics thoroughly to score good marks in the exam. The NEET syllabus for Physics has 20 topics in total. Candidates are advised to plan their preparation as per the topic-wise weightage. Take a look at the detailed Physics syllabus for NEET 2026 below.

Unit I: Physics and Measurement

• Units of measurement; systems of units; SI units, fundamental and derived units. least count, significant figures, errors in measurement;

• Dimensions of physical quantities, dimensional analysis, and its applications.

Unit II: Kinematics

The frame of reference, motion in a straight line. Position- time graph. speed and velocity: Uniform and non-uniform motion. average speed and instantaneous velocity. Uniformly accelerated motion. velocity-time, position-time graph, relations for uniformly accelerated motion- Scalars and Vectors. Vector. Addition and subtraction, scalar and vector products. Unit Vector. Resolution of a Vector. Relative Velocity. Motion in a plane, Projectile Motion. Uniform Circular Motion.

Unit III: Laws of Motion

Force and inertia, Newton's First Law of Motion: Momentum, Newton’s Second Law of Motion, Impulses: Newton's Third Law of Motion. Law of conservation of linear momentum and its applications. Equilibrium of concurrent forces.

Static and Kinetic friction, laws of friction. rolling friction.

Dynamics of uniform circular motion: centripetal force and its applications: vehicle on a level circular road. vehicle on a banked road.

Unit IV: Work, Energy and Power

Work done by a constant force and a variable force; kinetic and potential energies. work-energy theorem, power.

The potential energy of spring conservation of mechanical energy. conservative and non-conservative forces; motion in a vertical circle: Elastic and inelastic collisions in one and two dimensions.

Unit V: Rotational Motion

Centre of mass of a two-particle system, Centre of the mass of a rigid body: Basic concepts of rotational motion; moment of a force; torque, angular momentum, conservation of angular momentum and its applications.

The moment of inertia, the radius of gyration, values of moments of inertia for simple geometrical objects, parallel and perpendicular axes theorems. and their applications. Equilibrium of rigid bodies. rigid body rotation and equations of rotational motion, comparison of linear and rotational motions.

Unit VI: Gravitation

The universal law of gravitation. Acceleration due to gravity and its variation with altitude and depth. Kepler's law of planetary motion. Gravitational potential energy; gravitational potential. Escape velocity, Motion of a satellite, orbital velocity, time period and energy of satellite.

Unit VII: Properties of Solids and Liquids

Elastic behaviour, Stress-strain relationship, Hooke's Law. Young's modulus, bulk modulus, modulus of rigidity. Pressure due to a fluid column; Pascal's law and its applications. Effect of gravity on fluid pressure.

Viscosity. Stokes' law. terminal velocity, streamline, and turbulent flow. Critical velocity, Benoulli's principle and its applications.

Surface energy and surface tension, angle of contact, excess of pressure across a curved surface, application of surface tension - drops, bubbles, and capillary rise. Heat, temperature, thermal expansion; specific heat capacity, calorimetry; change of state, latent heat. Heat transfer-conduction, convection, and radiation.

Unit VIII: Thermodynamics

Thermal equilibrium, zeroth law of thermodynamics, the concept of temperature. Heat, work, and internal energy. The first law of thermodynamics, isothermal and adiabatic processes.

The second law of thermodynamics: reversible and irreversible processes.

Unit IX: Kinetic Theory of Gases

Equation of state of a perfect gas, work done on compressing a gas, Kinetic theory of gases - assumptions, the concept of pressure. Kinetic interpretation of temperature: RMS speed of gas molecules: Degrees of freedom. Law of equipartition of energy and applications to specific heat capacities of gases; Mean free path. Avogadro's number.

Unit X: Oscillations and Waves

Oscillations and periodic motion - time period, frequency, displacement as a function of time. Periodic functions. Simple harmonic motion (S.H.M.) and its equation; phase: oscillations of a spring -restoring force and force constant: energy in S.H.M. - Kinetic and potential energies; Simple pendulum - derivation of expression for its time period:

Wave motion. Longitudinal and transverse waves, speed of travelling wave. Displacement relation for a progressive wave. Principle of superposition of waves, reflection of waves. Standing waves in strings and organ pipes, fundamental mode and harmonics- Beats.

Unit XI: Electrostatics

Electric charges: Conservation of charge. Coulomb's law forces between two point charges, forces between multiple charges: superposition principle and continuous charge distribution.

Electric field: Electric field due to a point charge, Electric field lines. Electric dipole, Electric field due to a dipole. Torque on a dipole in a uniform electric field.

Electric flux' Gauss's law, and its applications to find the field due to an infinitely long uniformly charged straight wire, uniformly charged infinite plane sheet, and uniformly charged thin spherical shell. Electric potential and its calculation for a point charge, electric dipole and system of charges; potential difference, Equipotential surfaces, Electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field.

conductors and insulators. Dielectrics and electric polarization, capacitors and capacitances, the combination of capacitors in series and parallel, capacitance of a parallel plate capacitor with and without dielectric medium between the plates. Energy stored in a capacitor.

Unit XII: Current Electricity

Electric current. Drift velocity, mobility and their relation with electric current. Ohm’s law. Electrical resistance. V-l characteristics of Ohmic and non-Ohmic conductors. Electrical energy and power. Electrical resistivity and conductivity. Series and parallel combinations of resistors; Temperature dependence of resistance.

Internal resistance, potential difference and emf of a cell, a combination of cells in series and parallel. Kirchhoff’s laws and their applications. Wheatstone bridge. Metre Bridge.

Unit XIII: Magnetic Effects of Current and Magnetism

Biot-Savart law and its application to the current-carrying circular loop. Ampere’s law and its applications to infinitely long current carrying straight wire and solenoid. Force on a moving charge in uniform magnetic and electric fields.

Force on a current-carrying conductor in a uniform magnetic field. The force between two parallel currents carrying conductors-definition of ampere. Torque experienced by a current loop in a uniform magnetic field: Moving coil galvanometer, its sensitivity, and conversion to ammeter and voltmeter.

Current loop as a magnetic dipole and its magnetic dipole moment. Bar magnet as an equivalent solenoid. magnetic field lines; Magnetic field due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis. Torque on a magnetic dipole in a uniform magnetic field. Para dia and ferromagnetic substances with examples, effect of temperature on magnetic properties.

Unit XIV: Electromagnetic Induction And Alternating Currents

Electromagnetic induction: Faraday's law. Induced emf and current: Lenz’s Law, Eddy currents. Self and mutual inductance. Alternating currents, peak and RMS value of alternating current/voltage: reactance and impedance: LCR series circuit, resonance: power in AC circuits, wattless current. AC generator and transformer.

Unit XV: Electromagnetic Waves

Displacement current. Electromagnetic waves and their characteristics, Transverse nature of electromagnetic waves, Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, Gamma rays), Applications of e.m. waves.

Unit XVI: Optics

Reflection of light, spherical mirrors, mirror formula. Refraction of right at plane and spherical surfaces, thin lens formula and lens maker formula. Total internal reflection and its applications.

Magnification. Power of a Lens. A combination of thin lenses in contact. Refraction of light through a prism. Microscope and Astronomical Telescope (reflecting and refracting) and their magnifying powers.

Wave optics: wave front and Huygens' principle. Laws of reflection and refraction using Huygens principle. Interference, Young's double-slit experiment and expression for fringe width, coherent sources, and sustained interference of light. Diffraction due to a single slit, width of central maximum. Polarization, plane-polarized light: Brewster's law, uses of plane-polarized light and Polaroid.

Unit XVII: Dual Nature of Matter and Radiation

Dual nature of radiation. Photoelectric effect. Hertz and Lenard's observations; Einstein's photoelectric equation: particle nature of light. Matter waves-wave nature of particle, de Broglie relation.

Unit XVIII: Atoms and Nuclei

Alpha-particle scattering experiment; Rutherford's model of atom; Bohr model, energy levels, hydrogen spectrum. Composition and size of nucleus, atomic masses, Mass-energy relation, mass defect, binding energy per nucleon and its variation with mass number, nuclear fission, and fusion.

Unit XIX: Electronic Devices

Semiconductors; semiconductor diode: I-V characteristics in forward and reverse bias; diode as a rectifier; I-V characteristics of LED. The photodiode, solar cell, and Zener diode; Zener diode as a voltage regulator. Logic gates (OR. AND. NOT. NAND and NOR).

Unit XX: Experimental Skills

Familiarity with the basic approach and observations of the experiments and activities:

1. Vernier calipers - its use to measure the internal and external diameter and depth of a vessel.
2. Screw gauge-its use to determine thickness/diameter of thin sheet/wire.
3. Simple pendulum-dissipation of energy by plotting a graph between the square of amplitude and time.
4. Metre Scale - the mass of a given object by the principle of moments.
5. Young's modulus of elasticity of the material of a metallic wire.
6. Surface tension of water by capillary rise and effect of detergents.
7. Co-efficient of Viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body.
8. Speed of sound in air at room temperature using a resonance tube.
9. Specific heat capacity of a given (i) solid and (ii) liquid by method of mixtures.
10. The resistivity of the material of a given wire using a metre bridge.
11. The resistance of a given wire using Ohm's law.
12. Resistance and figure of merit of a galvanometer by half deflection method.
13. The focal length of;

(i) Convex mirror

(ii) Concave mirror, and

(iii) Convex lens, using the parallax method.

14. The plot of the angle of deviation vs angle of incidence for a triangular prism.
15. Refractive index of a glass slab using a travelling microscope.
16. Characteristic curves of a p-n junction diode in forward and reverse bias.
17. Characteristic curves of a Zener diode and finding reverse breakdown voltage.
18. Identification of Diode. LED,. Resistor. A capacitor from a mixed collection of such item

Also Read:

• NEET Physics Syllabus with Chapter-wise Weightage
• NEET UG Physics-Class 11 Syllabus
• NEET UG Physics-Class 12 syllabus

Best books for NEET Physics

Some of the best books for NEET Physics preparation are as follows:

1. 40 Days Physics for NEET by S B Tripathi
2. Concepts of Competition Physics for CBSE PMT by Agarwal
3. Concepts of Physics by H C Verma
4. Fundamental Physics by Pradeep
5. Fundamentals of Physics by Halliday, Resnick, and Walker
6. NCERT Physics by Anil Aggarwal
7. Objective Physics By DC Pandey
8. Objective Physics by Prof. Satya Prakash Arya (MTG Publishers)
9. Physics for NEET by C P Singh
10. Problems in General Physics by I E Irodov

Also Read:

• How to prepare for NEET Physics?
• Best books for NEET Physics

NEET Chemistry syllabus 2026 will be divided into three sections: Physical Chemistry, Organic Chemistry and Inorganic Chemistry. The detailed syllabus with topics is given below.

Physical Chemistry Syllabus for NEET

There are a total of eight units under the Physical Chemistry section. The unit-wise chapters and topics are given below.

Unit I: Some Basic Concepts of Chemistry

Matter and its nature, Dalton's atomic theory: Concept of atom, molecule, element. and compound. Laws of chemical combination; Atomic and molecular masses, mole concept, molar mass, percentage composition, empirical and molecular formulae: Chemical equations and
stoichiometry.

Unit II: Atomic Structure

Nature of electromagnetic radiation, photoelectric effect; Spectrum of the hydrogen atom. Bohr model of a hydrogen atom - its postulates, derivation of the relations for the energy of the electron and radii of the different orbits, limitations of Bohr's model; Dual nature of matter, de Broglie's relationship. Heisenberg uncertainty principle. Elementary ideas of quantum mechanics, quantum mechanics, the quantum mechanical model of the atom, its important features. Concept of atomic orbitals as one-electron wave functions: Variation of  Ψ and  Ψ ² with r for 1s and 2s orbitals: various quantum numbers (principal, angular momentum, and magnetic quantum numbers) and their significance; shapes of s, p, and d - orbitals, electron spin and spin quantum number: Rules for filling electrons in orbits - Aufbau principle. Pauli's exclusion principle and Hund's rule, electronic configuration of elements, extra stability of half-filled and completely filled orbitals.

Unit III: Chemical Bonding and Molecular Structure

Kossel-Lewis approach to chemical bond formation, the concept of ionic and covalent bonds.

Ionic Bonding: Formation of ionic bonds, factors affecting the formation of ionic bonds; calculation of lattice enthalpy.

Covalent Bonding: Concept of electronegativity. Fajan's rule, dipole moment: Valence Shell Electron Pair Repulsion (VSEPR) theory and shapes of simple molecules.
Quantum mechanical approach to covalent bonding: Valence bond theory - its important features. The concept of hybridization involving s, p, and d orbitals; Resonance.
Molecular Orbital Theory - Its important features. LCAOs, types of molecular orbitals (bonding, antibonding), sigma and pi-bonds, molecular orbital electronic configurations of homonuclear diatomic molecules, the concept of bond order, bond length, and bond energy. 
Elementary idea of metallic bonding. Hydrogen bonding and its applications.

Unit IV: Chemical Thermodynamics

Fundamentals of thermodynamics: System and surroundings, extensive and intensive properties, state functions, types of processes. 

The first law of thermodynamics - Concept of work, heat internal energy and enthalpy, heat capacity, molar heat capacity; Hess's law of constant heat summation; Enthalpies of bond dissociation, combustion formation, atomization. sublimation. phase transition, hydration. ionization. and solution.

The second law of thermodynamics - Spontaneity of processes: AS of the universe and AC of the system as criteria for spontaneity. Standard Gibbs energy change and equilibrium constant.

Unit V: Solutions

Different methods for expressing the concentration of solution - molality, molarity, mole fraction. percentage (by volume and mass both), the vapour pressure of solutions and Raoult's law - Ideal and. non-ideal solutions, vapour pressure - composition, plots for ideal and non-ideal solutions: colligative properties of dilute solutions - a relative lowering of vapour pressure, depression of freezing point, the elevation of.boiling point and osmotic pressure; Determination of molecular mass using colligative properties; Abnormal value of molar mass, Van't Hoff Factor and its significance.

Unit VI: Equilibrium 

Meaning of equilibrium, the concept of dynamic equilibrium.

Equilibria involving physical processes: Solid-liquid, liquid-gas, and solid-gas equilibria, Henry's law. General characteristics of equilibrium involving physical processes.

Equilibrium involving chemical processes: Law of chemical equilibrium, equilibrium constants (K_p and K_c) and their significance, the significance of  ΔG and  ΔG° in chemical equilibrium, factors affecting equilibrium concentration, pressure, temperature, the effect of catalyst; Le Chatelier's principle.

Ionic equilibrium: weak. and strong electrolytes, ionization of electrolytes, various concepts of acids and bases (Arrhenius and Bronsted - Lowry and Lewis) and their ionization, acid-base equilibria (including multistage ionization) and ionization constants, ionization of water. PH scale, common ion effect, hydrolysis of salts and PH of their solutions, the solubility of sparingly soluble salts and solubility products, buffer solutions. 

Unit VII: Redox Reactions and Electrochemistry

Electronic concepts of oxidation-reduction, redox reactions, oxidation numbers, rules for assigning oxidation numbers, and balancing of redox reactions.

Electrolytic and metallic conduction, conductance in electrolytic solutions, molar conductivities and their variation with concentration, Kohlrausch's law and its applications.

Electrochemical Cells - Electrolytic and Galvanic cells, different types of electrodes, electrode potentials including standard electrode potential, half-cell and cell reactions, emf of a Galvanic cell and its measurement: Nernst equation and its applications; Relationship between cell potential and Gibbs' energy change: Dry cell and lead accumulator; Fuel cells.

Unit VIII: Chemical Kinetics

Rate of a chemical reaction, factors affecting the rate of reactions: concentration, temperature, pressure, 'and catalyst; elementary and complex reactions, order and molecularity of reactions, rate law, rate constants and its units, differential and integral forms of zero and first-order reactions, their characteristics and half lives, the effect of temperature on the rate of reactions, Arrhenius theory, activation energy and its calculation, collision theory of bimolecular gaseous reactions (no derivation). 

Inorganic Chemistry Syllabus for NEET

This section has four units. 

Unit IX: Classification in Elements and Periodicity in Properties

Modern periodic law and present form of periodic table, s, p, d and f block elements, periodic trends in properties of elements, atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states, and chemical reactivity. 

Unit X: P-Block Elements

Group 13 to Group 18 Elements

General Introduction: Electronic configuration and general trends in physical and chemical properties of elements across the periods and down the groups; unique behaviour of the first element in each group. 

Unit XI: d and f Block Elements

Transition Elements

General introduction, electronic configuration, occurrence and characteristics, general trends in properties, of the first row transition elements - physical properties, ionization enthalpy, oxidation states, atomic radii, colour, catalytic behaviour, magnetic properties, complex formation, interstitial compounds, alloy formation; Preparation, properties and uses of K₂C_r20₇ and KM_n0₄.

Inner Transition Elements

Lanthanoids - Electronic configuration, oxidation states, and lanthanoid contraction.

Actinoids - Electronic configuration and oxidation states. 

Unit XII: Co-ordination Compounds

Introduction to coordination compounds.Wemer's theory: ligands, coordination number. denticity, chelation; IUPAC nomenclature of mononuclear coordination compounds, isomerism: Bonding-Valence bond approach and basic ideas of Crystal field theory, colour and magnetic properties; importance of co-ordination compounds (in qualitative analysis, extraction of metals and in biological systems).

Organic Chemistry Syllabus for NEET

This part has the highest number of units, which is eight. Let us take a look at the Organic Chemistry syllabus for NEET. 

Unit XIII: Purification and Characterisation of Organic Compounds

Purification - Crystallization. sublimation, distillation, differential extraction, chromatography - principles and their applications.

Qualitative analysis - Detection of nitrogen, sulphur, phosphorus and halogens.

Quantitative analysis (basic principles only) - Estimation of carbon. hydrogen. nitrogen. halogens. sulphur. phosphorus.

Calculations of empirical formulae and molecular formulae: Numerical problems in organic quantitative analysis.

Unit XIV: Some Basic Principles of Organic Chemistry

Tetravalency of carbon: Shapes of simple molecules - hybridization (s and p): classification of organic compounds based on functional groups: and those containing halogens, oxygen, nitrogen and sulphur; Homologous series: Isomerism - structural and stereoisomerism.

Nomenclature (Trivial and IUPAC)

Covalent bond fission - Homolytic and heterolytic: free radicals. carbocations. and carbanions: stability of carbocations and free radicals. electrophiles. and nucleophiles.

Electronic displacement in a covalent bond

Inductive effect, electromeric effect. resonance and hyperconjugation.

Common types of organic reactions- Substitution. addition. elimination, and rearrangement.

Unit XV: Hydrocarbons

Classification, isomerism. IUPAC nomenclature, general methods of preparation, properties, and reactions.

Alkanes - Conformations: Sawhorse and Newman projections (of ethane): Mechanism of halogenation of alkanes, projections (of ethane).

Alkenes - Geometrical isomerism: Mechanism of electrophilic addition: addition of hydrogen. halogens, water. hydrogen halides (Markownikoffs and peroxide effect): Ozonolysis and polymerization.

Alkynes - Acidic character: Addition of hydrogen, halogens, water, and hydrogen halides: Polymerization.

Aromatic hydrocarbons - Nomenclature. benzene - structure and aromaticity: Mechanism of substitution: halogenation, nitration.

Friedel-Craft's alkylation and acylation, directive influence of the functional group in mono-substituted benzene.

Unit XVI: Organic Compounds Containing Halogen

General methods of preparation, properties, and reactions; Nature of C-X bond: Mechanisms of substitution reactions.

Uses; Environmental effects of chloroform, iodoform freons, and DDT.

Unit XVII: Organic Compound Containing Oxygen

General methods of preparation, properties, reactions, and uses.

Alcohols, Phenols and Ethers

Alcohols: Identification of primary, secondary, and tertiary alcohols: mechanism of dehydration.

Phenols: Acidic nature, electrophilic substitution reactions: halogenation. nitration and sulphonation. Reimer - Tiemann reaction.

Ethers: Structure.

Aldehyde and Ketones: Nature of carbonyl group; Nucleophilic addition to >C=O group, relative reactivities of aldehydes and ketones; Important reactions such as - Nucleophilic addition reactions (addition of HCN. NH₃ and its derivatives), Grignard reagent; oxidation: reduction (Wolf Kishner and Clemmensen); the acidity of α-hydrogen. aldol condensation, Cannizzaro reaction. Haloform reaction, Chemical tests to distinguish between aldehydes and Ketones.

Carboxylic Acids

Acidic strength and factors affecting it.

Unit XVIII: Organic Compounds Containing Nitrogen

General methods of preparation. Properties, reactions, and uses.

Amines: Nomenclature, classification structure, basic character, and identification of primary, secondary, and tertiary amines and their basic character.

Diazonium Salts: Importance in Synthetic Organic Chemistry.

Unit XIX: Biomolecules

General introduction and importance of biomolecules.

CARBOHYDRATES - classification; aldoses and ketoses: monosaccharides (glucose and fructose) and constituent monosaccharides of oligosaccharides (sucrose, lactose, and maltose)

PROTEINS.Elementary Idea of α-amino acids, peptide bond, polypeptides.Proteins: primary. secondary, tertiary, and quaternary structure (qualitative idea only), denaturation of protein enzymes.

VITAMINS - Classification and functions

NUCLEIC ACIDS - Chemical constitution of DNA and RNA

Biological functions of nucleic acids

Hormones (General Introduction)

Unit XX: Principles Related to Practical Chemistry

Detection of extra elements (Nitrogen, sulphur, halogens), in organic compounds; Detection of the following functional group: hydroxyl (alcoholic and phenolic), carbonyl (aldehyde and ketones), carboxyl, and amino groups in organic compounds.

• The chemistry involved in the preparation of the following:

Inorganic compounds: Mohr's salt. potash alum

Organic compounds: Acetanilide. p-nitro acetanilide, aniline yellow, iodoform

• The chemistry involved in the titrimetric exercises - Acids. bases and the use of indicators. oxalic-acid vs KMnO₄. Mohr's salt vs KMnO₄

• _{Chemical principles involved in the qualitative salt analysis}

_Cations

_Anions

_{Chemical principles involved in the following experiments:}

_{1. Enthalpy of solution of CuSO⁴}

_{^{2. Enthalpy of neutralisation of strong acid and strong base}}

_{^{3. Preparation of lyophilic and lyophobic sols}}

_{^{4. Kinetic study of the reaction of iodide ions with hydrogen peroxide at room temperature.}} 

Also Read:

• NEET Chemistry Syllabus with Chapter-wise Weightage 
• Physical Chemistry Chapters for NEET
• Inorganic Chemistry Chapters for NEET Preparation

Best books for NEET Chemistry

Some of the best books for NEET Chemistry preparation are as follows:

1. 40 Days Chemistry for NEET by Sudhanshu Thakur
2. Boyd for Organic Chemistry
3. Concise Inorganic Chemistry by J D Lee
4. Modern’s ABC of Chemistry (Part 1 & 2)
5. Objective Chemistry (Volume I, II & III)
6. Objective Chemistry by R K Gupta
7. Organic Chemistry by Himanshu Pandey (GRB Publication)
8. Organic Chemistry by Morrison
9. Physical Chemistry by OP Tandon (G R Bathla Publications)
10. Practice books

• Inorganic Chemistry – V K Jaiswal
• Organic Chemistry – M S Chauhan
• Physical Chemistry - N Awasthi

Also Read:

• How to prepare for NEET Chemistry?
• Best books for NEET Chemistry
• NEET Chemistry Question Papers

The NEET syllabus chapter-wise weightage varies each year. Based on the NEET 2025 analysis by top experts, here we bring the NEET 2025 chapter-wise weightage.

NEET 2025 Chapter Wise Weightage for Physics

The following table brings the NEET chapter-wise weightage 2025 for Physics. 

NEET 2025 Chapter Wise Weightage for Botany and Zoology

The Biology questions of NEET are divided into Botany and Zoology, each consisting of 45 questions. Let us take a look at the topics as per the NEET chapter-wise weightage 2025 for Biology. 

NEET 2025 Chapter Wise Weightage for Chemistry

The Chemistry section of NEET consists of areas such as Organic Chemistry, Inorganic Chemistry and Physical Chemistry. Know the Chemistry weightage for NEET 2025 in the below table.  

Also Read: NEET 2025 Chapter-wise Weightage

The structure of the NEET question paper is likely to remain the same as last year. According to the latest NEET exam pattern which was revised last year, the optional questions were removed, bringing the total number of questions from 200 to 180. The exam duration was reduced by 20 minutes; the total duration is 180 minutes or three hours. The table below brings the NEET question pattern or the exam structure.

Also Read: NEET 2025 Exam Pattern Changed; Optional Questions Removed; Duration Reduced

NEET 2026 Marking Scheme

The table below brings the marking scheme of NEET.

NEET preparation is a time-consuming affair, and it should be done with a systematic approach. The first and foremost step is to know the syllabus for NEET UG properly. The best part about the NEET syllabus 2026 PDF download topic-wise is from the Class 11 and Class 12 syllabi, and students are already familiar with the key concepts. However, NTA has released the syllabus in English only and candidates opting for regional languages or Hindi would have to look for the syllabus in Hindi or the respective regional languages. Such candidates can seek the help of their teachers and mentors to provide them with the NEET syllabus 2026 PDF download in Hindi or other languages. To prepare for the NEET new syllabus, candidates should follow the steps given below:

• Be thorough with the concepts: Students should know the concepts of the important topics from the NEET subjects. They should ensure that there is no gap in their understanding. In case of any doubts or queries, they should approach their mentors or teachers. Suggesting on the strategy to complete the NEET syllabus, Saurabh Kumar, Chief Academic Officer, Vidyamandir Classes, says, "Make sure that the complete syllabus is covered in the first three months, which includes portions from both Class 11 and 12. Since aspirants might be fresh with the Class 12 portion of the NEET syllabus, the initial time should focus on covering the Class 11 portion to rewind things. And most importantly do not opt to study new topics/ concepts at the last moment."
• Strategy for subject-wise NEET syllabus completion: Candidates must focus on completing the NEET syllabus for each subject. While doing so, candidates may note that even though the weightage of the NEET Biology syllabus is higher, it would not be tougher than Physics. On the other hand, the number of topics in Physics or Chemistry may be lower, but the difficulty level, vis-à-vis the time taken to complete the syllabus, would be higher. Talking about this, Saurabh Kumar mentions, "Though the Biology portion (Zoology and Botany) may be a bit easier in comparison to Physics, which has a higher number of theoretical and numerical questions. Biology students need to focus and practice more in the Physics section." 
• Refer to the best books: While there is no dearth of books to prepare for the syllabus of NEET 2026, students should be careful in selecting those. The factors that need to be kept in mind include the coverage of the NEET syllabus, language quality and reading experience, practice questions and solutions and edition. NCERT is the best and the most popular book to refer to for NEET 2026 preparation. Hence, they should first complete the NCERT books and after that, they should move on to other NEET preparation books or study materials. 

Also Read: NCERT Books for NEET Preparation

• Get enough practice: As they say, practice makes a man perfect. In order to test whether the preparation of a particular section of the NEET 2026 syllabus is complete or not, candidates should take NEET mock tests or solve practice papers regularly. After that, they should analyse their performance to know where they can improve further. 
• Analyse strengths and weaknesses: Analysing one's strengths and weaknesses is very important as it helps the student understand where he/she is standing in comparison with other candidates. With less than a month to go for the exam, it is high time that they focus on their strengths and don't stress over their weak areas. However, before leaving out a topic completely, students should check its weightage and then decide. 
• Revision: Regular revision is key to NEET preparation. After completing each chapter from the NEET 2026 syllabus, prepare notes on the key points along with charts, tables or diagrams to make it easily comprehensible. Browse through the revision notes regularly to not lose touch with those topics even after completing the basic preparation.

Also Read: How to make Revision Notes for NEET