Change log: page 10
New topics, content updates, published corrections, syllabus checks and new versions of the privacy policy and terms, newest first. Typo fixes are not listed: they do not change what a page teaches.
2092 changes Latest 31 Oct 2026
Page 10 of 11 · 200 changes on this page
October 2026
26 new topics in Biology
Cell Cycle and Cell Division
Mitosis (M phase) Significance of mitosis Meiosis Significance of meiosis
Photosynthesis in Higher Plants
What photosynthesis needs Early experiments Site of photosynthesis Photosynthetic pigments Light reaction Electron transport Calvin cycle C₄ pathway Photorespiration Factors affecting photosynthesis
Respiration in Plants
Do plants breathe? Glycolysis Fermentation Aerobic respiration The respiratory balance sheet Amphibolic pathway Respiratory quotient
Plant Growth and Development
Seed germination Growth Differentiation, dedifferentiation and redifferentiation Development Plant growth regulators
33 new topics in Mathematics
Sequences and Series
Sequences Series Arithmetic progression Geometric progression A.M. and G.M.
Straight Lines
Coordinate geometry basics Locus Slope of a line Forms of the equation of a line Distance of a point from a line Intersection of lines and triangle centres
Conic Sections
Sections of a cone Circle Circle: diameter form and a line Parabola Ellipse Hyperbola
Introduction to Three Dimensional Geometry
Coordinate axes and planes Coordinates of a point in space Distance between two points Section formula in 3D
Limits and Derivatives
Intuitive idea of derivatives Limits Limits of trigonometric functions Derivatives
Statistics
Mean, median and mode Mode Measures of dispersion Range Mean deviation Variance and SD
Probability
5 new topics in Mathematics
Permutations and Combinations
Fundamental principle of counting Permutations Combinations
Binomial Theorem
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JEE Class 11 syllabus
Chapters, topics, sections and pages checked against the Syllabus for JEE (Main) 2027, Paper 1 (B.E./B.Tech.) (National Testing Agency) and the NCERT Class 11 books.
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JEE Class 12 syllabus
Chapters, topics, sections and pages checked against the Syllabus for JEE (Main) 2027, Paper 1 (B.E./B.Tech.) (National Testing Agency) and the NCERT Class 12 books.
14 new topics in Mathematics
Relations and Functions
Cartesian product Relations Functions
Trigonometric Functions
Angles Trigonometric functions Sum and difference formulas
Complex Numbers and Quadratic Equations
Complex numbers Algebra of complex numbers Modulus and conjugate The Argand plane Argument and polar form Quadratic equations
Linear Inequalities
34 new topics in Chemistry
Equilibrium
Equilibrium in physical processes Dynamic equilibrium in chemical processes Law of chemical equilibrium and equilibrium constant Homogeneous equilibria Heterogeneous equilibria Applications of equilibrium constants Equilibrium constant, reaction quotient and Gibbs energy Factors affecting equilibria Ionic equilibrium in solution Acids, bases and salts Ionization of acids and bases Experiment: acid-base titration with an indicator Buffer solutions Solubility equilibria of sparingly soluble salts
Redox Reactions
Classical idea of oxidation and reduction Redox reactions as electron transfer Oxidation number Redox reactions and electrode processes
Organic Chemistry: Some Basic Principles and Techniques
General introduction to organic chemistry Tetravalence of carbon and shapes Structural representations Classification of organic compounds IUPAC nomenclature of organic compounds Isomerism Organic reaction mechanism Purification of organic compounds Qualitative analysis of organic compounds Quantitative analysis
Hydrocarbons
Classification of hydrocarbons Alkanes Alkenes Alkynes Aromatic hydrocarbons Carcinogenicity and toxicity
10 new topics in Mathematics
Sets
Sets and their representations The empty set Finite and infinite sets Equal sets Subsets Power set Universal set Venn diagrams Operations on sets Complement of a set
75 new topics in Physics
Units and Measurement
SI units Significant figures Errors in measurement Least count: vernier callipers and screw gauge Dimensions of physical quantities Dimensional formulae and equations Dimensional analysis
Motion in a Straight Line
Frame of reference and displacement Velocity and speed Acceleration Equations of motion Relative velocity
Motion in a Plane
Scalars and vectors Multiplying a vector by a number Adding vectors graphically Resolution of vectors Adding vectors by components Position, velocity and acceleration in a plane Constant acceleration in a plane Projectile motion Uniform circular motion
Laws of Motion
Aristotle’s fallacy Law of inertia Conservation of momentum Equilibrium of a particle Friction Dynamics of circular motion Solving problems in mechanics
Work, Energy and Power
Scalar product Work-energy theorem Work Kinetic energy Work done by a variable force Work-energy theorem (variable force) Potential energy Conservation of mechanical energy Potential energy of a spring Power Collisions
Systems of Particles and Rotational Motion
Rigid body motion Centre of mass Motion of the centre of mass Momentum of a system Vector product Angular velocity Torque and angular momentum Equilibrium of a rigid body Experiment: mass with a metre scale Moment of inertia Parallel and perpendicular axes Rotational kinematics Rotational dynamics Angular momentum about an axis
Gravitation
Kepler’s laws Universal law of gravitation Gravitational constant Acceleration due to gravity Variation of g Gravitational potential energy Escape speed Earth satellites Energy of an orbiting satellite
Mechanical Properties of Solids
Elasticity and plasticity Stress and strain Hooke’s law Stress-strain curve Elastic moduli Experiment: Young’s modulus of a wire Applications of elastic behaviour
Mechanical Properties of Fluids
Pressure in fluids Streamline and turbulent flow Bernoulli’s principle Viscosity Experiment: viscosity from terminal velocity Surface tension