NEET Chapter-wise PYQs

~13 questions · Breathing and respiration - respiratory organs; mechanism of breathing and its regulation; exchange and transport of gases; respiratory volumes; disorders, Body fluids and circulation - blood and lymph; human circulatory system; cardiac cycle, cardiac output, ECG; double circulation; regulation of cardiac activity; disorders

~13 questions · Organisms and populations - 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 and energy

~12 questions · Heredity and variation - Mendelian inheritance; deviations from Mendelism (incomplete dominance, co-dominance, multiple alleles and inheritance of blood groups); chromosome theory of inheritance; sex determination; linkage and crossing over; Mendelian disorders and chromosomal disorders in humans, Molecular basis of inheritance - DNA and RNA; DNA replication; central dogma; transcription; genetic code; translation; gene expression and regulation; Human Genome Project; DNA fingerprinting

~9 questions · Cell theory; structure of prokaryotic and eukaryotic cells; plant and animal cells, Cell envelope, cell membrane and cell wall

~9 questions · Sexual reproduction in flowering plants - flower structure; development of male and female gametophytes; pollination; fertilization; development of seed and fruit; apomixis and polyembryony, Human reproduction - male and female reproductive systems; gametogenesis; menstrual cycle; fertilization, embryo development up to blastocyst formation, implantation; pregnancy and placenta formation; parturition and lactation

~8 questions · Photosynthesis - site, pigments, light and dark reactions; chemiosmotic hypothesis; photorespiration; C3 and C4 pathways; factors affecting photosynthesis, Respiration - exchange of gases; cellular respiration - glycolysis, fermentation (anaerobic), TCA cycle and electron transport system; energy relations; number of ATP molecules generated; amphibolic pathways; respiratory quotient

~8 questions · Principles and processes 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

~7 questions · What is living? Biodiversity; need for classification; taxonomy and systematics, Concept of species and taxonomical hierarchy; binomial nomenclature

~6 questions · Health and disease - pathogens causing diseases (malaria, filariasis, ascariasis, typhoid, pneumonia, common cold, amoebiasis, ringworm, dengue, chikungunya); basic concepts of immunology; vaccines; cancer; HIV and AIDS; adolescence, drug and alcohol abuse, Microbes in human welfare - in household food processing, industrial production, sewage treatment, energy generation and as biocontrol agents and biofertilizers

~5 questions · Morphology and modifications of root, stem, leaf, flower, fruit and seed in flowering plants, Anatomy and functions of different tissues in flowering plants

~3.2 questions · Electric current; drift velocity; mobility, Ohm's law; electrical resistance; V-I characteristics (ohmic and non-ohmic)

~3 questions · Electric charges; conservation of charge; Coulomb's law, Superposition principle and continuous charge distribution

~3 questions · Reflection of light; spherical mirrors; mirror formula, Refraction at plane and spherical surfaces; thin lens and lens maker formula

~2.8 questions · Force and inertia; Newton's first law of motion, Momentum; Newton's second law of motion; impulse

~2.6 questions · Centre of mass of a two-particle system and of a rigid body, Basic concepts of rotational motion; moment of a force; torque

~2.6 questions · Thermal equilibrium; zeroth law; concept of temperature, Heat, work and internal energy; first law of thermodynamics

~2.6 questions · Biot-Savart law; field due to a current-carrying circular loop, Ampere's law and applications to a straight wire and solenoid

~2.6 questions · Electromagnetic induction; Faraday's law; induced emf and current; Lenz's law, Eddy currents; self and mutual inductance

~2.6 questions · Dual nature of radiation; photoelectric effect; Hertz and Lenard observations, Einstein's photoelectric equation; particle nature of light

~2.6 questions · Semiconductors; semiconductor diode; I-V characteristics in forward and reverse bias, Diode as a rectifier

~2.4 questions · Alpha-particle scattering; Rutherford's model of the atom, Bohr model; energy levels; hydrogen spectrum

~2.2 questions · Frame of reference, Motion in a straight line

~2.2 questions · Work done by a constant force and a variable force, Kinetic and potential energies; work-energy theorem; power

~2 questions · Equation of state of a perfect gas; work done in compressing a gas, Kinetic theory of gases - assumptions; concept of pressure

~2 questions · Periodic motion - period, frequency, displacement as a function of time, Simple harmonic motion (S.H.M.) and its equation; phase

~1.8 questions · Elastic behaviour; stress-strain relationship; Hooke's law, Young's modulus; bulk modulus; modulus of rigidity

~1.2 questions · Units of measurements, System of Units; SI units

~1.2 questions · Universal law of gravitation, Acceleration due to gravity and its variation with altitude and depth

~1 questions · Displacement current, Electromagnetic waves and their characteristics; transverse nature

~0.8 questions · Vernier callipers and screw gauge, Simple pendulum

~3.1 questions · Kossel-Lewis approach to chemical bonding; concept of ionic and covalent bonds, Ionic bonding; lattice enthalpy

~3.1 questions · Group 13 to Group 18 elements, General introduction; electronic configuration and general trends

~3.1 questions · Introduction to coordination compounds; Werner's theory; ligands; coordination number; denticity; chelation, IUPAC nomenclature of mononuclear coordination compounds

~2.9 questions · General methods of preparation, properties, reactions and uses, Alcohols, phenols and ethers - identification of primary, secondary and tertiary alcohols; mechanism of dehydration

~2.5 questions · Fundamentals: system and surroundings; extensive and intensive properties; state functions; processes, First law of thermodynamics; internal energy and enthalpy; heat capacity

~2.5 questions · Transition elements - general introduction; electronic configuration; occurrence and characteristics, General trends in properties of the first-row transition elements

~2.5 questions · Tetravalency of carbon; shapes of simple molecules; hybridization, Classification of organic compounds based on functional groups; homologous series

~2.3 questions · Methods of expressing concentration - molality, molarity, mole fraction, percentage, Vapour pressure of solutions and Raoult's law; ideal and non-ideal solutions

~2.3 questions · Concept of dynamic equilibrium, Equilibria involving physical processes; solid-liquid, liquid-gas and solid-gas equilibria

~2.3 questions · Electronic concept of oxidation and reduction; redox reactions; oxidation number; balancing, Electrolytic and metallic conduction; conductance in electrolytic solutions; molar conductivity

~2.3 questions · Rate of a chemical reaction; factors affecting rates - concentration, temperature, pressure, catalyst, Elementary and complex reactions; order and molecularity; rate law and rate constant

~2.3 questions · General introduction and importance of biomolecules, Carbohydrates - classification; aldoses and ketoses; monosaccharides (glucose and fructose) and constituent monosaccharides of oligosaccharides (sucrose, lactose and maltose)

~2.1 questions · Nature of electromagnetic radiation; photoelectric effect, Spectrum of the hydrogen atom; Bohr model and its limitations

~2.1 questions · Modern periodic law and the present form of the periodic table, s, p, d and f block elements; periodic trends in properties

~2.1 questions · Classification, isomerism, IUPAC nomenclature, general methods of preparation, properties and reactions, Alkanes - conformations; Sawhorse and Newman projections of ethane; mechanism of halogenation

~2.1 questions · 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

~1.9 questions · Matter and its nature; Dalton's atomic theory, Concept of atom, molecule, element and compound

~1.5 questions · General methods of preparation, properties and reactions, Nature of C-X bond; mechanisms of substitution reactions

~1.2 questions · Purification - crystallization, sublimation, distillation, differential extraction and chromatography, Qualitative analysis - detection of nitrogen, sulphur, phosphorus and halogens

~1 questions · Detection of extra elements (nitrogen, sulphur, halogens) in organic compounds; detection of functional groups, Chemistry involved in the preparation of inorganic compounds (Mohr's salt, potash alum)