Most Repeated Questions in the NEET Exam

Chapters

Topics

Physical World and Measurement

• Errors of Measurements
• Significant Figures
• Error In Quantity Raised To Some Power
• Dimension
• Frequency, Angular Frequency, Angular Velocity, Velocity Gradient
• Magnetic Field, Permeability of Free Space, Magnetic Flux And Self Inductance
• Application of Dimensional Analysis (I)- To Find Dimension Of Physical Constant

Kinematics

• Uniform Circular Motion
• Equation of Motions
• Projectile Motion
• Speed And Velocity
• Kinematics Graphs

Laws of Motion

• Newton’s Second and Third Law of Motion
• Motion of Connected Blocks Over Pulley
• Equilibrium of Concurrent Forces
• Acceleration of Block Against Friction
• Centripetal Force And Centrifugal Force
• Angular Momentum

Work, Energy and Power

• Power
• Law of Conservation of Energy
• Work Done By Variable Force
• Potential Energy
• Perfectly Elastic Head-on Collision

Motion of System of Particles and Rigid Body

• Center of Mass
• Equations of Linear Motion And Rotational Motion.
• Torque
• Work, Energy and Power for Rotating Body
• Moment of Inertia of a Ring
• Moment of Inertia of a Disc
• Moment of Inertia of a Solid Sphere
• Conservation of Angular Momentum

Gravitation

• Gravitational Potential Energy (U)
• Escape Velocity
• Variation In ‘G’ Due to Height
• Gravitational Field Intensity
• Time and Energy of a Satellite

Properties of Bulk Matter

• Stokes’ Law & Terminal Velocity
• Excess Pressure Inside A Liquid Drop & Soap Bubble
• Hooke’s Law
• Surface Energy
• Thermal Expansion and Its Types
• Heat
• Basics of Conduction
• Law of Thermal Conductivity
• Stress and Its Types
• Rise of Liquid In a Capillary Tube

Thermodynamics

• Adiabatic Process
• Isobaric Process
• Ideal Gas Equation
• Kinetic Energy of Ideal Gas
• Various Types of Speeds of Ideal Gases

Oscillations and Waves

• Equations of Motions of Shm
• Simple Pendulum
• Standing Longitudinal Wave
• Speed of Transverse Wave on a String
• Beats
• Energy In Shm
• Standing Wave In a String Fixed at Both Ends
• Simple Harmonic as Projection of Circular Motion
• Terms Associated With Shm

Electrostatics

• Electric Potential Due To Continuous Charge Distribution
• Coulomb’s Law
• Equipotential Surface
• Combination of Capacitors
• Energy Stored In Capacitor
• Dielectrics
• Electric Field
• Applications of Gauss Law

Current Electricity

• Resistance and Resistivity
• Kirchhoff’s Second Law
• Emf of a Cell When the Cell Is Charging and Discharging an Open Circuit and Short Circuit
• Kirchhoff First Law
• Voltmeter
• Wheatstone’s Bridge
• Meter Bridge

Magnetic Effects of Current and Magnetism

• Application of Ampere’s Law
• Solenoid
• Motion of a Charged Particle In Uniform Magnetic Field
• Lorentz Force
• Circular Current Loop as Magnetic Dipole
• Magnetic Field Due to Circular Current Loop
• Magnetic Force on a Current-Carrying Conductor
• Magnetisation and Magnetic Intensity

Electromagnetic Induction and Alternating Currents

• Series LCR Circuit
• Faraday’s Law of Induction
• Motional Electromotive Force
• Transformers
• Magnetic Flux
• Time-Varying Magnetic Field
• Resonance In Series Lcr Circuit
• Mutual Inductance for a Pair of Concentric Coils
• Power In an AC Circuit
• Energy Stored In an Inductor

Optics

• Total Internal Reflection
• Young's Double Slit Experiment
• Lens Maker’s Formula
• Combination of Thin Lens In Contact
• Lenses at a Distance
• Mirror Formula
• Refraction Through a Prism
• Refraction
• Dispersion of Light
• Power of Lens and Mirror
• Astronomical Telescope

Dual Nature of Matter and Radiation

• De-Broglie Wavelength of an Electron
• Photoelectric Effect
• Graphs In Photoelectric Effect
• Electron Emission
• Photons Emitted by a Source Per Second
• Intensity of Radiation
• Photon Flux

Atoms and Nuclei

• Bohr’s Model of Hydrogen Atom
• Nuclear Fission
• Energy Level for Hydrogen
• Mass-Energy and Nuclear Binding Energy
• Radius of Orbit and Velocity of Electron
• Line Spectra of Hydrogen Atom
• Continuous X-Ray
• Binding Energy Per Nucleon

Electronic Devices

• Logic Gates
• Extrinsic Semiconductor
• Semiconductor Diode
• Zener Diode

Chapters

Topics

Basic Concepts of Chemistry

• Mole Concept and Molar Mass
• Empirical Formula And Molecular Formula
• Stoichiometry, Stoichiometric Calculations And Limiting Reagent

Structure of Atom

• Line spectrum of hydrogen
• Radius, velocity and the energy of nth Bohr orbital
• Quantum Numbers
• Aufbau Principle, Pauli Exclusion Principle and Hund’s Rule of Maximum Multiplicity

Classification of Elements and Periodicity in Properties

• Variation of Atomic Radii and ionic radii
• Ionisation Enthalpy or Ionisation Potential
• Chemical Properties - 1

Chemical Bonding and Molecular Structure

• Shapes of Molecules
• Dipole Moment
• Limitations of The Octet Rule
• Fajan’s Rule and Covalent Character in Ionic Bond
• Valence Bond Theory
• How to Find Hybridisation
• VSPER (Valence Shell Electron Pair Repulsion) Theory

Thermodynamics

• Gibbs Energy And Change In Gibbs Energy
• Enthalpy of Dissociation, Atomisation And Phase Change
• Isothermal Reversible and Isothermal Irreversible
• Adiabatic Reversible And Irreversible Expansion
• Thermochemistry And Enthalpy For Chemical Reaction
• Spontaneity Criteria With Gibbs Energy (G)

Equilibrium

• Solubility and Solubility Product
• Carbohydrates
• Bronsted Lowry and Lewis Acid-Base Theory
• Types of Equilibrium Constant
• pH of Solutions: Strong Bases
• Calculating the pH of a Buffer Solution (acidic)

Redox Reaction

• Oxidation Number and Oxidation State
• Types of Redox Reactions
• Balancing of Redox Reaction: Oxidation Number Method

P-block elements

• Chemical Properties - 2
• Ammonia(NH3)
• Physical Properties of Group 13 - 1
• Physical Properties of Group 13 - 2
• Physical Properties - 2
• Allotropic Form of Carbon(Graphite)
• Phosphine and Phosphorus Chloride
• Group 16: Oxyen Family - Physical Properties
• Interhalogen Compounds
• Chlorine

Organic Chemistry

• Mesomeric or Resonance Effect
• Hyperconjugation
• Kjeldahl’s Method

Hydrocarbons

• Preparation of Aldehydes
• Hybridisation
• Preparation of Alkanes(Corey House Reaction, Reduction of Alkyl Halides by LiAlH4, Wurtz Reaction)
• Nucleophilic Substitution
• Chemical Properties(Free Radical Reaction, Chlorination, Nitration and sulphonation)
• Reduction of Alkynes to Alkenes
• Markonikov and Anti-Markonikov Reaction

Solutions

• Osmosis and Osmotic Pressure
• Concentration Terms
• Depression in Freezing Point
• Distillation under reduced pressure and Steam distillation

Chemical Kinetics

• First Order Reaction
• Effective Activation Energy
• Instantaneous Rate of Reaction
• Rate Law
• Zero Order Kinetics - Zero Order Reaction
• Graphs for Zero-Order Reaction
• Half-Life of First-Order Reaction

d and f block elements

• Oxidation State
• Screening Effect and Lanthanoid Contraction
• Ionisation Energy
• Formation of Coloured Ions

Coordination Compounds

• Crystal Field Splitting in Octahedral Field
• Magnetic Properties and Character
• Terminologies Related to Coordination Compounds
• Magnetic Moment (Based on VBT)
• Applications of CFT

Haloalkanes and Haloarenes

• Nature of C-X bond and Physical Properties
• SN2 Reaction

Alcohol, Phenols and Ether

• Properties of Phenols
• Grignard Reagent - 1
• Preparation of Phenol

Aldehydes, Ketones and Carboxylic Acids

• Nucleophilic Addition Reaction
• Methods of Preparation of Carboxylic Acids

Organic Compounds Containing Nitrogen

• Azo-Coupling Reaction
• Test for Amines
• Carbylamine Test
• Reaction with NaNO2 + HCl
• Basicity of Aliphatic Amines

Biomolecules

• Amino Acids - 1
• Proteins
• Enzymes

Co-ordination Compounds

Oxidation Number

Chapters

Topics

Diversity in Living World

• Rhodophyceae
• Taxon and Taxonomic Hierarchy (Taxonomic categories)
• Mycoplasma
• Viruses, Viroids and Prions
• Chlorophyceae/ Green Algae
• Classification of Bryophytes
• Reproduction in gymnosperms
• Class Osteichthyes - Characteristics Features
• Steps of Taxonomy
• Photosynthetic Protista
• Types of Life Cycles
• Bryophyta
• Classification of Pteridophytes
• Gymnosperms
• Characteristics of Angiosperms
• Physiology of Porifera
• Phylum Aschelminthes and Body Plan of Aschelminthes
• Phylum Arthropoda and Body Plan of Arthropoda
• Class Cyclostomata - Characteristics Features
• Class Chondrichthyes - Characteristics Features
• Class Mammalia - Characteristics Features

Structural Organisation in Animals and Plants

• Vascular Tissue System
• Floral Symmetry, Number of Floral Appendages and Position of Ovary in a Flower
• Placentation
• Cymose Inflorescence and Its Types
• Parts of a Flower - Aestivation
• The Fruit
• Description of Some Important Families: Solanaceae
• Specialised Junctions Between Epithelial Cells
• Complex Permanent Tissues - Xylem
• Dense Regular Connective Tissue and Dense Irregular Connective Tissue
• Secondary Growth
• Unstriped or Non-striated or Visceral or Smooth or Involuntary Muscle
• Secondary Growth in Intrastelar Region of Dicot Stem Heartwood and Sapwood
• Respiratory System and Excretory System of Cockroach
• Reproduction in Cockroach

Cell Structure and Function

• Cell Cycle: Interphase
• Stages of Meiosis I - Prophase I
• The Nucleus
• Semi-autonomous Organelles: Mitochondria (Sing. Mitochondrion)
• Components of the Endomembrane System: The Golgi Apparatus
• Components of the Endomembrane System: Endoplasmic Reticulum (ER)
• Enzyme Inhibition
• Plastids
• The Cytoskeleton
• Centrosome and Centrioles
• Lipids and Fatty Acids
• Nucleic Acids - DNA and RNA
• Enzymes and Their Classification
• Different Stages of Mitosis
• Introduction to Meiosis
• Stages of Meiosis I - Metaphase I and Anaphase I

Plant Physiology

• Functions of Ethylene
• Dark Reaction of Photosynthesis and RuBP
• Dark Reaction: Calvin Cycle
• The C4 Pathway
• Tricarboxylic Acid Cycle or Krebs Cycle or Citric Acid Cycle
• Functions of Gibberellins
• Photoperiodism
• Tissue Culture & Somatic Hybridization
• Steps of Calvin Cycle
• Glycolysis
• Lactic Acid Fermentation
• Functions of Auxins
• Steps of Krebs Cycle

Human Physiology

• ECG
• Blood
• Exchange of Gases
• Disorders of the Respiratory System
• Types of Animals Based on Excretory Wastes
• Proximal Convoluted Tubule (PCT), Loop of Henle, Distal Convoluted Tubule (DCT) & Collecting Duct
• Sarcomere
• The Hypothalamus
• The Pituitary Gland and Its Anterior Lobe
• Forebrain: Olfactory Lobes & Diencephalon
• Thyroid Disorders

Reproduction

• Pollination and Its Types
• Menstrual Cycle
• Endosperm Development
• Seed and Fruit
• Spermatogenesis
• Fertilization
• Events of Fertilization
• Implantation
• Structure of Pollen Grain
• Male Sex Accessory Ducts
• Embryonic Development: Cleavage & Formation of Blastocyst

Genetics and Evolution

• Linkage: Discovery & Meaning
• DNA Fingerprinting
• Gregor Johann Mendel- Father of Genetics
• Salient Features of Double-Helix Structure of DNA
• Packaging of DNA Helix in Eukaryotes
• Hardy Weinberg Equilibrium
• Chromosomal Theory of Inheritance & T.H. Morgan
• Mutations & Their Features
• Pedigree Analysis
• Sickle-cell Anaemia
• Chromosomal Disorders
• Salient Features of Genetic Code
• Lac Operon
• Evidence of Organic Evolution: Homologous Organs & Analogous Organs
• Adaptive Radiation
• Origin & Evolution of Man
• Disorders of the Immune System
• Monohybrid Cross of Mendel
• Codominance
• Sex Determination: XX Female & XO Male Type
• Types of Mutations
• Chromosomal Number Mutations
• Chargaff Rule
• Hershey & Chase Experiment
• Messelson and Stahl Experiment
• Enzymes Involved In DNA Replication
• DNA Replication in Prokaryotes
• RNA Polymerase in Prokaryotes & Eukaryotes
• Process of Transcription in Prokaryotes
• Introduction to Translation
• Process of Translation
• Human Genome Project & Its Goals
• Chemical Evolution & Miller Experiment
• Mechanism of Evolution: Genetic Drift, Founder Effect & Bottleneck Effect
• Mechanism of Evolution: Natural Selection & Its Types

Biology and Human Welfare

• Microbes as Biocontrol Agents
• Chemicals, Enzymes and Other Bioactive Molecules
• Viral Diseases
• Bacterial Diseases
• Innate Immunity
• Commonly Abused Drugs
• Microbes in Industrial Products: Antibiotics
• Life Cycle of Plasmodium
• Cell-Mediated Immune System
• Immune System in Humans
• AIDS
• Microbes in Household Products

Biotechnology and Its Applications

• Polymerase Chain Reaction
• Functioning of Restriction Endonucleases
• Gene Therapy - ADA Deficiency Treatment
• Introduction to Transcription & Transcription Unit
• Gel Electrophoresis
• Competent Host (For Transformation with Recombinant DNA)
• Insect Resistant Transgenic Plant - Bt Cotton
• Tools of Biotechnology: Restriction Endonucleases
• Pest Resistant Transgenic Plant Using RNAi
• Biotechnological Application in Medicines - Genetically Engineered Insulin
• Tools of Biotechnology: Cloning Vectors & Their Types
• Bioreactors
• Features required to facilitate cloning into a vector
• Plasmid Vector & Mode of Selection of Transformants
• Direct or Vectorless Methods of Gene Transfer
• Golden Rice

Ecology and Environment

• Ozone Depletion in the Stratosphere
• Functions of Ecosystem: Productivity
• Cause of biodiversity losses
• Ex-situ Conservation of Biodiversity
• Population & Its Attributes: Population Size or Density
• Models of Population Growth: Exponential Growth
• Predation
• Gause competitive exclusion principle & Resource Partitioning
• Mutualism
• Functions of Ecosystem: Decomposition
• Pyramid of Biomass & Pyramid of Energy
• Adaptations - I
• Adaptations - II
• Models of Population Growth: Logistic Growth
• Competition
• Parasitism
• Components of Ecosystem: Biotic
• Trophic Levels, Food Chain & Food Web
• Pyramid of Numbers
• Species Diversity - India & World
• Patterns of Biodiversity - Species-Area relationships
• In-situ Conservation of Biodiversity - Hotspots, National Parks and Sacred groves
• In-situ Conservation of Biodiversity - Sanctuaries and Biosphere Reserves