Important Concepts: Maths, Physics, Chemistry & Biology

Quick Revision for CBSE, IGCSE, NEET & Olympiads – By Hodu Academy

Your one-stop guide to all formulas, theorems, laws, definitions, and key topics—sorted by subject. Ideal for last-minute revision, board exams, entrance tests, and Olympiad prep. Each section is hand-curated by Hodu Academy experts to help you master your concepts quickly.

Complete Maths Important Concepts & Formulae List

250+ quick-revision topics for CBSE, ICSE, IGCSE, NEET & Olympiads

Laws, definitions, formulae, derivations, practicals & more—organized for exam-time efficiency.

Additive and Multiplicative Identity	Adjacent and Vertical Angles	Algebra Symbols	Area Of Hemisphere	Area Of Hollow Cylinder
Area of Pentagon	Area of Rectangle	Bodmas Rule	Branches of Mathematics	Chance and Probability
Circumference of a Circle	Congruence Of Triangles	Construction of Angles	Cuboid and Cube	Decimals In Daily Life
Divisibility Rules	Dot Product of Two Vectors	Empirical Probability	Equivalent Fractions	Even Odd Prime Composite Numbers
Frequency Polygons	Geometric Tools	Integers	Lines	Maths Project
Number System	Numeral System	Odd Numbers	Perfect Cube Of Numbers	Perfect Numbers
Perpendicular Bisector	Precision	Prime Factorization of Hcf And Lcm	Prime Numbers	Probability and Statistics Symbols
Quadrilateral	Reflection Symmetry	Roman Numerals	Set Theory Symbols	Surface Area and Volume
Three Dimensional Shapes	Triangular Numbers	Trigonometry	Trigonometry Table	Two Lines Symmetry
Types of Angles	Value of Pi	Variables And Constants In Algebraic Expressions	Z Score Table	Addition Table
Algebraic Expression	Algebraic Identities	Apollonius Theorem	Applications of Trigonometry	Area of a Sphere
Area of Equilateral Triangle	Area of Isosceles Triangle	Area of Quadrilateral	Area of Trapezium	Area of Triangle
Area Segment Circle	Ascending Order	Average and Mean	Basic Proportionality Theorem	Bisection Method
Centroid	Circumcenter of a Triangle	Cm to inch converter	Co-Prime Numbers	Compound Interest
Coordinate Geometry	Correlation	Cos 30 Degrees	Cube	Cylinder
Difference Between Fraction And Rational Numbers	Difference Between Percentage and Percentile	Differential Equations	Differentiation Formulas	Even Numbers
Factorisation	Frequency Distribution Table Statistics	Graphical Representation	HCF and LCM	Height and Distance
Horizontal Line	How to Find the Percentage of Marks?	Math Tricks	Maths Equations	Mensuration
Obtuse Angled Triangle	Odd Numbers	Onto Function	Pentagon	Pentagonal Prism
Perimeter of Square	Perimeter of Triangle	Probability	Profit and Loss	Properties of a Triangle
Properties of Isosceles Triangle	Rational Numbers	Rational Numbers and Their Properties	Real Number	Relation between Mean, Median and Mode
Rhombus	Rotation	Semicircle	Sin 30 Degrees	Solving Linear Equations
Square Root	Statistics	Supplementary Angles	Surface Area of a Hemisphere	Surface Area of a Sphere
Surface Areas and Volume	Symmetric and Skew Symmetric Matrix	Tables of 2 to 30	The volume of a Cylinder	Trapezium
Triangular Prism	Trigonometric Ratios	Types of Triangles	Types of Vectors	Value of Log Infinity
Value of Root 3	Value of Root 5	Vertical Line	Volume of a Cube	Volume of Hemisphere
Whole numbers	Algebraic Identities	Differentiation and Integration	Greater Than and Less Than Symbols	Laplace Transform
Linear Graph	Trigonometric Ratios	Orthocenter	Orthogonal Matrix	Square Root from 1 to 25
Log 0 Value	Altitude of a Triangle	Binary Subtraction	Cayley Hamilton Theorem	Diagonal Matrix
Difference Between Constants and Variables	Difference Between Linear and Nonlinear Equations	Geometric Progression Sum of GP	Like Fractions Unlike Fractions	Difference between Place Value and Face Value
Sin 60 Degrees	Singular Matrix	Value of Cos 120	Antilog Table	Consistent And Inconsistent Systems
Cube Root of Unity	Direct and Inverse Proportion	Euclid Division Lemma	Extrapolation	Frustum of Cone
Greater Than Symbol	Elementary Transformation of Matrix	Integration	Limits and Derivatives	Methods of Integration
Polynomial	Rational Numbers Between Two Rational Numbers	Relations and Functions	Relation and Its Types	Right Circular Cone
Sequence and Series	Square Root Of 4	Square Root Of 5	Square Root Of 7	Statements in Mathematical Reasoning
Trapezoids	Binary Multiplication	Definite Integral	Square Root of 1	Value of sin 15
Continuity and Differentiability	Axiomatic Definition of Probability	Area Of Quadrant	Rectangle	Operations on Rational Numbers
Pascals Triangle	Acute Angled Triangle	Angle of Elevation	Angle Sum Property of a Triangle	Tables of 2 to 30
The volume of a Cylinder	Trapezium	Area of a Scalene Triangle	Centroid of a Triangle	Heptagon
Octagon	Permutation and Combination	Scalene Triangle	Similar Triangles	Surface Area of Cube
Surface Area of Cylinder	Volume of Cone	Volume of Cuboid	Value of Log 1	Decimal Number System
Conversion of Units	What is Proper Fraction?	Rolle's Theorem	Vertical Angles	Trigonometry Values
Sec 0	Greatest Integer Function	Mean Deviation & Frequency Distribution	Concentric Circles	Symmetry
Variance	Laws of Exponents	Length of Tangent	Alternative Hypothesis	Control Charts
Straight Angle	LCM Of Two Numbers	Bivariate Analysis	Surds	Square Root of 10
Cos 90 Value	Prime Numbers and Composite Numbers	Decimal to Binary	Difference Between Square & Rhombus	Symmetric Matrix
Relation Between Inch and cm	Sin 45 Value	Divisibility Rules For 13	Profit and Loss Percentage	Linear Pair Of Angles
Line Segment	Rational and Irrational Numbers	Euclid Geometry	Sec 30	Complimentary and Suplementary Angles
Square root and Cube Root	LCM	Nature of Roots of a Quadratic Equation	Vertices, Faces and Edges	Quadrilateral Angle Sum Property
Geometry Symbols	Isosceles Triangle	Numbers in Words	Angle Between Two Planes	Complex Numbers
Addition and Subtraction of Integers	Natural Numbers and Whole Numbers	Is 91 a Prime Number?	Difference Between Cube and Cuboid	Distributive Property
Difference Between Rhombus and Parallelogram	Skip Counting	Trigonometry Functions of Sum and Difference of Angles	Logarithm Table	Vector And Scalar Quantities
Data Organization	PEMDAS	Secant of a Circle	Vector Space	Angle Bisector Theorem
Mutually Exclusive Events	Statistical Inference	Difference Between Area and Volume	How to Find Prime Numbers?	3D Shapes
Division of Line Segment	Binary Addition	Ordinate	Line Graph	Boolean Algebra
Latus Rectum of Conic Section	Differential Equation And It's Types	Involute	Similarity of Triangles	Simple Equations Application
Types of Polygon	Equation of A Circle	Law of Tangents	Data Sets	Binary to Octal Conversion
Rational Numbers on a Number Line	Cross Section	Construction of Triangle	Circles	Factors of 36
Probability Distribution	Difference Between Parametric and Non-Parametric Test	Number Patterns Whole Numbers	Parts of Circle	Square Root of 9
Parallel Lines	Oblique Sketch	Direct Proportion	Cosine Rules	Construction of Quadrilaterals
Right Circular Cylinder	Hexadecimal number system	Remainder Theorem	Volume of a Prism	Missing Numbers
Sec 90	Derivatives	Multiple of 9	Metric System of Measurement	Parallelogram, Trapezium and Kite
Cumulative Frequency Distribution	Ratio to Percentage	Factors of 98	Total Probability Theorem	Commutative Property
Basic Set Theory	Difference Between Area and Surface Area	Identity Function	Geometric Distribution	Combination
Sum of Squares	Factors of 25	Triangle Inequality	Complement of a Set	Factor of 105
Arc	Categorical Data	Construction of a Rhombus	Hexadecimal to Octal Conversion	Decimal Expansion of Rational Numbers
Distance Between Two Points	Estimation of Numbers	Multiplication Theorem of Probability	Properties of Definite Integrals	Right Angle Triangle Theorem
Section Formula in 3 Dimension	Solids	Trigonometric Equations	Variance and Standard Deviation	Disjoint Set
Application of Linear Equations	Area and Perimeter	Factors of 91	Concave Polygon	Factors of 42
General Equation of a Line	Factors of 100	Factors of a Number	Multiplicative Inverse	Linear Differential Equations
Inverse Cosine	Fractional Part Function	Definition of Signum function	Trigonometric Functions

Physics Important Concepts & Formulae List

250+ quick-revision topics for CBSE, ICSE, IGCSE, NEET & Olympiads

Laws, definitions, formulae, derivations, practicals & more—organized for exam-time efficiency.

Accuracy Precision and Error in Measurement	Ampere	Amplitude Modulation	Anemometer : Measurement of Wind Speed	Angular Acceleration
Atomic Theory	Audible and Inaudible Sound	Average Speed and Average Velocity	Average Velocity	Avogadros Number
Avogadros Hypothesis	Azimuthal Quantum Number	Balanced Force	Bar Magnet	Biconvex Lens
Boyles Law	Buoyancy	Calorimeter	Carnot Engine	Celestial Bodies
Centripetal And Centrifugal Force	Concave and Convex Lenses	Concave Convex Mirrors	Contact and Non Contact Force	Controlled Thermonuclear Fusion
Convection Currents	Convex Lens	Convex Mirror	Destructive Interference	Difference Between Conduction Convection and Radiation
Difference Between Electric Field and Magnetic Field	Difference Between Heat And Temperature	Difference Between Series And Parallel Circuits	Differences Between Acceleration And Velocity	Distance and Displacement
Distance Time Graph	Electrical Force : Electric Forces and Their Types	Electromagnetic Waves : Definition, Equation and Properties of Electromagnetic Waves	Electromagnetism	Electron Spin
Fluid Flow : Bernoullis Equation Derivation and Fluid Mechanics	Fluid Friction : Types and Factors of Fluid Friction	Frames of Reference : Inertial and Non- Inertial Frame of Reference	Frequency and Wavelength	Frictional Force
Importance of Hydrosphere	Instantaneous Speed and Velocity	Introduction to Motion	Kinetic and Potential Energy Difference	Law Of Conservation of Energy
Layers of the Earth	Light Energy	Light Sources	List of physics scientists and Their inventions	Loudness of Sound
Magnetic Dipole Moment	Magnetic Field	Non - Contact Force	Non - Renewable Energy	Ohms Law
Optics	P Wave	Physics Symbols	Plane Mirrors	Poissons Ratio
Projectile Motion	Properties of Water : Anomalous Expansion of Water	Radius of Gyration	Reflection of Light	Reflection of Waves
Relative Density	Resonance	Reverberation	Rolling Friction	Rotation and Revolution
Screw Gauge	Semiconductors and Insulators	Sliding Friction	Speed Time Graphs	Static Friction
Stefan Boltzmann Law	Stress	Tension	Tension Force	Thermometer: Clinical Laboratory Thermometer
Types of Rocks	Types of Waves	Uniform Motion and Non Uniform Motion	Unit of Voltage	Uses of Convex Lens
Uses Of Convex Mirror	Uses of Electromagnet	Uses of Optical Fibre	Wave	Wavelength of Light
What is Scattering of Light	Working of Electric Bell	Conventional and Non-conventional Sources of Energy	Buoyant Force	Bulk Modulus of Elasticity
Bernoulli’s Principle	Angular Momentum	Difference Between Speed And Velocity	Force	Unit of Heat
Difference between Distance and Displacement	Simple Microscope	Derivation Of Equation Of Motion	Thermometer: Clinical & Laboratory Thermometer	Difference between Concave and Convex Lens
Derivation Of Lens Maker Formula	Unit Of Pressure	Velocity	Uses of Plane Mirror	Wave Theory of Light
Unit of Density	Unit of Light	Unit of Force	Unit of Magnetic Field	Unit of wavelength
Unit of Viscosity	Uses of Electroplating	Young's Modulus	What is the Scattering of Light	Lenz Law
Space Wave Propagation	Schrodinger Wave Equation	Relation between Fahrenheit and Celsius	Refractive Index	Potentiometer Working
Pascal Law	Oscillatory Motion	Optical Instruments	Newton's Laws of Motion - First Law	Modulation and Demodulation
Magnetic Flux	Lens Formula and Magnification	Kaleidoscope	Faradays Law	Epsilon Naught Value
Energy Bands	Electrostatics	Electroscope	AC Generator	Unit of Current
Lithosphere	Bending Equation Derivation	Difference Between Pound and Kilogram	Semiconductor Devices	OTEC - Ocean Thermal Energy Conversion
Hall Effect	Rectilinear Propagation of Light	Difference Between Ammeter and Voltmeter	Coefficient of Linear Expansion	Ampere’s Law
Cyclone and Thunderstorm	Save The Environment From Pollution	Particle Nature of Light	Types of DC Motor	Uses Of Transistor
Derivation of Phase Rule	Unit of Humidity	Difference between Land Breeze and Sea Breeze	Relation Between Critical Angle And Refractive Index	Derivation of Escape Velocity
Unit of Speed	Elastic Collision	Linear Velocity	Reversible and Irreversible Processes	Relation Between Density And Volume
Relation Between Group Velocity And Phase Velocity	Thermal Stress	Mirrors	Conversion of Units	Modulation
Unit of Weight	Stokes Law Derivation	Kirchhoff’s Second Law	Zener Diode as a Voltage Regulator	Quark
Difference Between Discovery and Invention	Nuclear Fission	Ultrasound	Principle Of Calorimetry	Differences Between Magma and Lava
Types Of Wind	Difference Between Work and Energy	Schottky Diode	Kinetic Theory Of Gases	Thermal Properties of Materials
Relation Between Kinetic Energy And Momentum	Work Done By A Variable Force	Solenoid and Toroid	Difference between Light Microscope and Electron Microscope	Doppler Effect Derivation
Determine Refractive Index of a Glass Slab using a Travelling Microscope	Relation between Torque and Speed	Current Density	Electric Displacement	Impending Motion
Latent Heat of Water	Infrared Radiation	Vector Product Of Two Vectors	Alpha Decay1	Centripetal Acceleration
Newton's Third Law Of Motion	Biogas Energy	Tracing the Path of a Ray of Light Passing Through a Rectangular Glass Slab	Unit of Conductivity	Pulley
Resistor	LCR Circuit	Difference Between Force and Pressure	Viscosity	Einstein's Explanationx
Sea Breeze and Land Breeze	Types of Lever	Permeability	Adiabatic Process	Fleming's Left Hand Rule And Right Hand Rule
Spherical Mirrors	Heat Transfer By Convection	Stress and Strain	Displacement Current	Unit of Electric Field
Electromagnetic Induction	Diode	Critical Velocity	Carbon Resistor	Electric Charge
Derivation of Continuity Equation	Mach Number	Coherent Sources	Rigid Bodies	Resolving Power of a Microscope and Telescope
Angular Displacement	Unit of Momentum	Chandrasekhar Limit	Difference Between Real Image and Virtual Image	Electromagnets
Viscosity	Einstein's Explanationx	Sea Breeze and Land Breeze	Kinetic Energy	Van De Graaff Generator
Derivation of Kinetic Energy Formula	Kinetics and Kinematics	Frequency, Time period and Angular frequency	Unit of Torque	Capacitance
Difference Between AM and FM	Boltzmann’s Constant	Planck’s Constant	Laws of Reflection	Drift Velocity
Malthusian Theory of Population	Stars Planets and their Difference	Tensile Stress	Joule-Thomson Effect	Stefan Boltzmann Constant
Compressive Stress	Wave Function	Difference Between Density and Specific Gravity	Energy Stored in a Capacitor	Determine Radius of Curvature of a Given Spherical Surface by a Spherometer
Uniformly Accelerated Motion	Conservative Force	Biot Savart Law	Deuteron Mass	Power
Power of a Lens	Refraction and Dispersion of Light	Sphygmomanometer	Uniform Circular Motion	Unit of Distance
Unit of Energy	Uses of Rectifier	Unit of Inductance	Law Equipartition Energy	Periodic Motion
Determination of Focal Length of Concave Mirror and Convex Mirror	Optical Density	Characteristics of a Transistor	Scintifllation Counter	Difference Between Earthing And Grounding
White Light	Optical Fiber	Relative Speed	Unit of Work	Coefficient of Viscosity
Neutrons, Isotopes, Isotones And Isobars	Electric Circuit	Difference Between Scalar and Vector	Difference Between Two Stroke and Four Stroke Engines	Unit of Velocity
Zener Diode	Gamma Rays - Electromagnetic Spectrum	Permittivity and Permeability	Tidal Energy	Difference Between Resistance and Resistivity
Uses of Vernier Calipers	Human Eye Function	Shearing Stress	Value of Gravitational Constant	Value of Electron
Difference Between LCD and LED	Pinhole Camera	Single Slit Diffraction	Difference Between Circuit Switching and Packet Switching	Wheatstone Bridge
Unit of Resistance	Banking of Roads	Scalar and vector	Density of Water	Cyclotron
Unit of Specific Resistance	Types of Cables	Modern Physics	Uses of Concave Mirror	Magnetic Moment
Law of Conservation of Momentum Derivation	Magnet	Rectilinear Motion of Particles	Difference Between Mass and Weight	Archimedes Principle
Refraction of Light	Types of Motors	Types of Gears	Solar Energy and Photovoltaic Cell	Escape Velocity and Orbital velocity
Natural Sources of Energy	Difference Between Frequency Modulation and Amplitude Modulation	Fick’s Law of Diffusion	Faraday Electromagnetic Induction Experiment	Prism Dispersion
Continuous Charge Distribution	Capacitor Types	Geothermal Energy	Force and Momentum	Resistors in Series and Parallel Configuration
Work and Power	Raman Effect	Difference Between Asteroid and Comet	Thermal Energy Storage	Types of Connectors
Hydroelectricity and Hydropower Plant	Conduction of Electricity in Liquids	Linear Accelerator	Maxwell's Relations	AC Voltage Resistor
Law of Conservation of Charge	Kinetic Theory of Gases Assumptions	Reflection of Light Image	Centre of mass of continuous mass distribution

Chemistry Important Concepts & Formulae List

340+ quick-revision topics for CBSE, ICSE, IGCSE, NEET & Olympiads

Laws, definitions, formulae, derivations, practicals & more—organized for exam-time efficiency.

118 Elements and Their Symbols and Atomic Numbers	Acetone	Acid And Base Difference	Acids Bases and Salts	Actinides
Addition Reaction	Adsorption Chromatography	Aldol Condensation	Alkali Metals	Ammonium Chloride
Applications of Redox Reactions	Argon	Arrhenius Equation Rate Constant And Temperature	Atomic Number Mass Number	Aufbau Principle
Aufbau Principle, Paulis Exclusion Principle and Hands Rule	Bakelite: Structure and Uses	Benzene Reactions	Benzoic Acid - Structure and Properties	Biodegradable and Non Biodegradable
Calcium Oxide	Cathode Ray Experiment	Charles Law	Chemical And Its Composition	Chemical Formula of Common Compounds
Classification Of Carbohydrates and Its Structure	Classification of Organic Compounds	Coefficient of Viscosity - Definition, Formula and Example	Colligative Properties beRelative Lowering of Vapour Pressure	Colloidal Solution
Components of Air	Condensation	Conformation	Cracking Meaning	Crystallization
Decantation	Decomposition Reaction	Dehydration of Alcohols	Difference Between Alkali and Base	Difference Between Atom And Ion
Difference Between Atom and Molecule	Difference Between CNG and LPG	Difference between Compound and Mixture	Difference Between Element And Compound	Difference Between Exothermic and Endothermic Reactions
Difference Between Mixture and Solution	Difference Between Molecule and Compounds	Difference Between Organic And Inorganic Compounds	Difference between Physical and Chemical Change	Difference between Vapor and Gas
Disaccharides	Discovery of Protons and Neutrons	Distillation	Effects of Burning Fossil Fuels	Electromeric Effect
Electron Configuration	Electronic Configuration of First 30 Elements	Electronic Configuration of Iron	Electroplating Process	Endothermic Reaction
Enthalpy Change	Enzyme Catalysis	Ester	Ester Hydrolysis	Ethanoic Acid
Exothermic Reaction	Filtration	Fuel Types	Functions of Nucleic Acids	Glycerin
Glycine Structure	Glycogen	Gravimetric Analysis	Group 17 Trends Properties	Heat Capacity Cp Cv Relation
Heavy Water	Homogeneous Mixture and Heterogeneous Mixture	Hunds Rule	Hybridization	Hydrochloric Acid
Hydrogen Peroxide	Introduction: Importance of Forest	IR Spectroscopy	Iron	Krypton
Lewis Dot Structures	Metallic Bonds	Metals and Nonmetals	Methanol	Mineral Resources
Mixtures	Modern Periodic Table and Its Significance	Mole Concept	Monosaccharides	NaHCO3
Natural Polymers	Neutralization Reaction	Non Metals	Oxalic Acid	Oxygen
Periodic Table Elements	Periodic Trends in Properties of Elements	Pesticides	Phenol Preparation	Phosphoric Acid
Physical and Chemical Properties of Carbon	Physical And Chemical Properties of Water	Physical Change and Chemical Change	Polarity	Polymers Uses
Polyvinyl Alcohol	Positron	Potassium	Potassium Dichromate - Formula, Properties and Uses	Potassium Permanganate
Precipitation Reaction	Preparation of Benzene	Preparation Properties and uses of Sodium Chloride	Properties of Boron Family	Properties of Solution
Redox Titration	Relation Between Normality And Molarity	Rusting Iron Prevention	Rutherford Atomic Model	Rutherford Atomic Model
Shapes of Molecules Vsepr Theory	Shapes of Orbitals	Sieving	SilkWorm - Life Cycle of Silkworm, Diagram	Silver Nitrate
Soaps And Detergents	Sodium Hydroxide	Structure of Benzene	Sublimation	Synthetic Fibres And Natural Fibres
Synthetic Polymers	Tollens Test	Toluene	Transition Metals	Tyndall Effect
Types of Organic Reactions	Types of Solutions	Types of Titration - Acid Base Titration	Unsaturated Solutions	Ununoctium
Ununpentium	Uses of Acetone	Uses of Air	Uses of Bauxite	Uses of Carboxylic Acid
Uses of Coal	Uses of Ethers Health In Care Industry	Uses of Formaldehyde	Uses of Graphite	Uses of Methanol and Ethanol
Uses of Minerals	Uses Of Nitric Acid	Uses of Phenol	Uses of Propanol	Uses of Sulfuric Acid
Uses of Water	Valence Bond Theory	Volumetric Analysis	Waste	Water Cycle Process
What is Dipole Moment?	What is Eutrophication?	What is Metallurgy?	Wurtz Reaction	Mohr’s Salt Titration with KMnO4
Gattermann Reaction	Benzene	Brown Ring Test	Calcium Carbonate	Cotton and its Various Uses
Difference between Petrol and Diesel Engine	Difference between Sigma and Pi Bond	Element-Manganese (Mn)	Friedel Crafts Reaction	Hofmann Elimination
Isomerism	Laws of Chemical Combination	Mannich Reaction	Methods of separation	Molisch’s Test
Name Reactions	NMR Spectroscopy	Non – Aqueous Titration	Ozonolysis Mechanism – Ozonolysis of Alkenes and Alkynes	Periodic Classification of Elements
Pinacol Pinacolone Rearrangement	Planck’s Quantum Theory	Pseudo First Order Reaction	Rosenmund Reduction Mechanism	Salt Analysis
Saponification	Science in Everyday life and Its Importance	Sericulture: Rearing of Silkworm to Produce Silk	Spectrophotometer Principle	Zone Refining
Reactivity Series	Difference between isotropic and anisotropic	Introduction to p-Block elements	Plant fibres	Inert Gases: Uses
Benzoin Condensation	Difference between primary cell and secondary cell	Partition Chromatography	Applications of colloids	Displacement Reactions
Handpicking	Biogas: Uses of Biogas	Acid Rain	Types of Chemical Reactions	SN2 Reaction Mechanism
Complexometric Titration	markovnikov rule	Kohlrausch Law	Electrode	Valency Chart
Order of Reaction	Band Theory	Difference Between Rusting and Corrosion	Potentiometric Titration	Frenkel Defect
Deforestation	Stephen Reaction Mechanism	Gattermann – Koch Reaction Mechanism	Electronegativity	Industrial Waste: Types
Ethylene	Charge to Mass Ratio of an Electron	Fehling Solution	Photochemical Reactions	Difference Between Endpoint and Equivalence Point
Second Order Reaction	Etard Reaction	Forms of water	Preparation of Acetanilide	Metallic Minerals and Non-Metallic Minerals
Ferric Chloride	Henry's Law	Preparation of Mohr's salt	Schottky Defect	Claisen rearrangement
Calcium sulphate	Sodium carbonate	Rubber	Ethyl acetate	Conductometric Titration
Resorcinol	Difference Between Evaporation and Condensation	States of Matter	Boric Acid	Types of Minerals
Finkelstein Reaction	Electronegativity Chart	Difference between Solid, Liquid and Gas in tabular form	Aromaticity	Drawbacks of Rutherford's Atomic Model
Thermosetting Polymers	Preparation of Alkanes	Examples of Bases	Suzuki Coupling Reaction	Standard Electrode Potential
Disadvantages of Plastics	Reducing Agent	Van't Hoff Factor	Hard Water and Soft Water	Organometallic compounds
Gay Lussac's Law	Slaked Lime	Borax	Tetravalency of Carbon	Boyle's Law
Ellingham Diagram	Crystal Defects : Point Defects	HVZ Reaction (Hell-Volhard-Zelinsky Reaction)	Classification of Drugs	Preparation of Sulfuric Acid
Lucas test	Xenon Difluoride	Bravais Lattice	Classification of Oxides	Elimination Reaction
preparation of polythene, Teflon and polyacrylonitrile	Difference between cations and anions	Uses of Limestone	Fructose	Azeotropes
Lewis Acid and Base	Emulsification	Dielectric properties of solids	Zwitterion	Birch Reduction Mechanism
Oxidation and Reduction	Electrophilic Substitution Reaction	Suspensions	Aromatic Compounds	Ores and Minerals
Adsorption theory of heterogeneous catalysis	Wittig Reaction	Difference between evaporation and boiling	Intensive And Extensive Properties Of Matter	Electronic Configuration of Group 16 Elements
Difference Between Elements and Atoms	Sodium Oxide	Gypsum	Difference Between Alloy and Composite	Chemical Equations
Thorium	Lead Acid Battery	Isotopes of Hydrogen	Significant Figure Rules	Electrophilic Addition Reactions Of Alkenes
Isothermal Expansion of an Ideal Gas	Potassium Chloride - KCl	Aluminum Oxide	Difference Between Acetic Acid and Glacial Acetic Acid	Difference Between Polar and Nonpolar
Difference Between Baking Powder and Baking Soda	Test for Phenolic group	To prepare colloidal solution of starch	Uses of Mica	Pi Bonds
Potassium Chlorate	Schmidt Reaction	High density Polyethylene	Huckel's Rule	Discovery of Proton
Aluminium Ore: Extraction of Aluminium	Benzene Hexachloride	Caustic Potash or Potasium Hydroxide	Electromagnetic Radiation - Wave Nature	Atomic Number and Mass Number, Isotopes and Isobars
Preparation of Potash Alum	Beckmann Rearrangement	Heterogeneous Equilibrium	Butane	Factors Affecting Electrolytic Conductance
Scandium	Homogeneous Equilibrium	Phenols Nomenclcature	Galvanic Corrosion	Chlorine Trifluoride
Robinson Annulation	Copper	Pyridine	Silver Carbonate	Harmful Effects of Radiation

Biology Concepts – Complete Reference List

From Cells to Evolution: All Important Biology Topics in One Table

Conservation of Forest and Wildlife	Difference between Endosmosis and Exosmosis	Difference between Afforestation and Deforestation	Difference between Algae and Fungi	Difference between Cereals and Pulses
Difference Between Fragmentation and Regeneration	Difference Between Neurosis and Psychosis	Difference Between Nucleotide and Nucleoside	Difference Between Sea and Ocean	Difference Between Turtles and Tortoises
Difference Between Wildlife Sanctuary and National Park	Modes of Plant Reproduction	Ecological Pyramid and Its Types	Double Fertilization in Angiosperms	Ecosystem
Enzymes	Fertilisation in Plants	Five Kingdoms Classification	Flower	Ganongs Potometer
Health and Hygiene	Herbivores and Carnivores	Heterotrophic Nutrition	Human Digestive System	Vertebrates and Invertebrates
Morphology of Leaves	Modifications of Root	Phylum Aschelminthes	Diffusion	Osmosis
Prokaryotic Cells	Reproduction	Flora And Fauna	Overview of Food Chain	Difference Between Rabi And Kharif Crops
Vegetative Propagation	Transpiration	Soil Profile	Types of Pollution	Human Excretory System
Sense Organs	Rainwater Harvesting	Prokaryotic And Eukaryotic Cells	Living And Non Living Things	The Nucleus
Irrigation	Endoplasmic Reticulum	Difference Between Data And Information	Mitochondria	Nitrogen Cycle
Diagram of Animal Cell	Meristematic Tissue	Law of Segregation Law of Dominance	Eukaryotic Cells	Food Sources Animal Plant Products
Photosynthesis	Respiration	Ozone Layer Depletion	Kingdom Fungi	Aerobic Anaerobic Respiration
Cell Organelles	Peristalsis	Bacteria	Oogenesis	Leaves Morphology Types Modification
Mitosis and Meiosis	Dna Structure	How Do Organisms Reproduce	Diagram of Stomata	Monohybrid Cross Inheritance One Gene
Mechanism of Breathing	Soil Erosion	Plasmolysis	Urine Formation Osmoregulation	Porifera
Flagella	Amoeba	Aerobic Respiration	Pteridophyta	Arteries And Veins Difference
Reflex Action	Stomata	Cell Wall	Diagram of Neuron	A Guide To Composition And Function Of Lymph
Difference Between Ligaments And Tendons	Insectivorous Plants	Nutrition Modes Living Organisms	Mendel Laws Of Inheritance	Nutrition In Amoeba
Calorific Value	Air Pollution Control	Fertilization In Plants	Life Processes	Binary Fission
Omnivores	Saprophytes	Asexual Reproduction	Deficiency Diseases	Light Reaction Vs Dark Reaction
Global Warming	Wildlife Sanctuary	Viviparous Oviparous Embryo Development	Glycolysis	Food Preservation Methods Food Poisoning
Crops	Biofertilizers	Biodiversity Conservation	Difference Between Endocrine And Exocrine Glands	Greenhouse Effect Gases
Diagram Of Digestive System	Crop Production And Management	Types Of Pollination	Introduction and Characteristics of Living Beings	Meristematic Cells
Taxonomical Aids _Flora, Manual, Monograph And Catalogues	Types of leaves	structure of skeletal muscle	spirometry	human respiratory system
herbarium	dinoflagellates	general characters and structure of leaf	halophiles and their features	Exchange of Gases
Simple Permanent tissue	Morphology of root and its types	Complex permanent tissues	Regions of Root	History of classification and its need
Breathing And Exchange Of Gases	Transport of Gases	Regulation of Respiration	Disorders of Respiratory System	Interaction of Haemoglobin with Other Gases
Amniocentesis	Anatomy of flowering plants	ASSISTED REPRODUCTIVE TECHNOLOGIES (ARTs)	Meristematic Cells	Phloems
Population explosion	Reproductive Health	RCH (Reproductive and Child Health Care)	Medical termination of Pregnancy (MTP)	Plant kingdom
Biological Systems of Classification & Branches of Taxonomy	Pteridophytes	Gymnosperms	Angiosperms	Life cycle Patterns
Anatomy of Roots	Contraceptives	Anatomy of stem	Algae	Bryophytes
Tissues and its types	STDs (Sexually Transmitted Diseases)	Cell - The Basic Unit of Life & its Historical background	Cell theory and its modification	An Overview of Cell
Secondary growth in dicot stem	Tissue system and types	Prokaryotic (Bacterial) cell	Ribosomes	Eukaryotic cell
Cell: The basic unit of life	Cytoskeleton	Centrosome and Centriole	Cilia and flagella	Nucleus
Chromosomes	Evolution	Movement and Locomotion	Human Reproduction	Absorption and Translocation of Solutes
Soil as a reservoir of Essential Elements	LOCOMOTION AND MOVEMENT	Mechanism of Muscle Contraction	Morphology in Flowering Plants	Contractile proteins
Muscular System	Thyroid	Puberty	Hormones	Origin of Universe
Hypothalamus	Cell wall	Mitochondria	Special Chromosomes	Microbodies
Introduction, Hydroponics and the study of mineral requirements of the plants	Criteria of essentiality and Categorisation of Essential elements	Deficiency symptoms of essential elements and toxicity	The Stem	The Root
Cytoplasm and cell membrane	Mineral Nutrition	Male Reproductive System	Phylum Ctenophora	Role of Macronutrients
Role of Micronutrients	Phylum - Coelenterata / Cnidaria	Reptilia	Aves	Mammalia
Anatomy of the leaf	Animal kingdom	Phylum Annelida	Phylum Mollusca	Phylum Echinodermata
Vertebrata	Chordates	Disorders of circulatory system	Abiotic Factors	Male Reproductive System
Kingdom Animalia	Responses to Abiotic Factors	Female Reproductive System	Mammary Glands	Pregnancy and Embryonic Development
Cell	Cancer	Disorders of the Digestive System	Infertility	Morphology of Cockroach
Blood and Plasma	Alternation of Generations and Classification	Predation	Phaeophyceae and Rhodophyceae	Phylum Coelenterata
Phylum Porifera	Phylum Platyhelminthes	Chromosomal Disorders	Competition	Taxonomic Aids
Alternation of generation in Pteridophytes	Disorders of muscular and skeletal system	General Characteristics of Living	Digestive Glands	Stomach
Testis	Buccal cavity	Seed	Common Diseases in Humans	Permanent Tissue
Permanent Tissues Xylem	Pteridophytes Characteristics	Parasitism and Commensalism	Water Pollution and Its Control	Differentiation, Dedifferentiation and Redifferentiation
Organism and its Environment	Carbohydrates	Greenhouse Effect Gases	Amino Acids	Dynamic State of Body Constituents
Photosynthesis Chloroplast	Features of Living Beings	Blood Group	Lipids	Kingdom Protista
dense connective tissue	connective tissue cartilage	connective tissue blood	plant cell	viruses
the stem	Connective Tissue Bone	Viroids Prions Lichens	Animal cell	Prokaryotic Cell
Taxonomic Aids Herbarium and Museum	Sphygmomanometer and ECG	Population Attributes	Noise pollution

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