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2092 changes Latest 8 Nov 2026
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November 2026
47 topics updated in Chemistry
The p-Block Elements
Group 13 elements Group 14 elements Group 15 elements Group 16 elements Group 17 elements
The d- and f-Block Elements
Electronic configurations General properties Lanthanoids Actinoids Applications
Coordination Compounds
Werner’s theory Experiment: double salts Nomenclature Isomerism Bonding: VBT and CFT Metal carbonyls Importance and applications
Haloalkanes and Haloarenes
Classification Preparation of haloarenes Polyhalogen compounds
Alcohols, Phenols and Ethers
Structures of functional groups Alcohols and phenols Ethers
Aldehydes, Ketones and Carboxylic Acids
Carbonyl group: names and structure Preparation of aldehydes and ketones Physical properties of aldehydes and ketones Reactions of aldehydes and ketones Experiment: tests for aldehydes and ketones Experiment: preparation of iodoform Uses of aldehydes and ketones Preparation of carboxylic acids Physical properties of carboxylic acids Chemical reactions of carboxylic acids Experiment: tests for the carboxyl group Uses of carboxylic acids
Amines
Structure of amines Nomenclature of amines Preparation of amines Physical properties of amines Chemical reactions of amines Experiment: tests for the amino group Experiment: preparation of acetanilide and p-nitroacetanilide Preparation of diazonium salts Physical properties of diazonium salts Chemical reactions of diazonium salts Experiment: preparation of aniline yellow Diazonium salts in the synthesis of aromatic compounds
78 topics updated in Mathematics
Sets
The empty set Finite and infinite sets Equal sets Subsets Power set Universal set Venn diagrams Operations on sets
Relations and Functions
Cartesian product Relations Functions
Trigonometric Functions
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
Linear Inequalities
Inequalities Solving linear inequalities
Permutations and Combinations
Fundamental principle of counting Permutations
Binomial Theorem
Sequences and Series
Sequences Arithmetic progression Geometric progression
Straight Lines
Coordinate geometry basics Locus Slope of a line Distance of a point from a line
Conic Sections
Sections of a cone Circle Circle: diameter form and a line Parabola 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
Relations and Functions (Class 12)
Inverse Trigonometric Functions
Matrices
Matrix and order Types of matrices Operations on matrices Transpose of a matrix Symmetric and skew symmetric Invertible matrices
Determinants
Continuity and Differentiability
Differentiability Exponential and log functions Parametric derivatives Second order derivative
Integrals
Anti derivatives Partial fractions Integration by parts Definite integral Properties of definite integrals
Differential Equations
Order and degree Solving first order equations
Vector Algebra
Vectors: basic concepts Types of vectors Scalar multiple and components Dot and cross products
Three Dimensional Geometry
Shortest distance between lines
Probability (Class 12)
Conditional probability Multiplication theorem Bayes’ theorem
75 topics updated in Biology
The Living World
Biological Classification
Kingdom Fungi Kingdom Plantae Viruses, viroids, prions and lichens
Plant Kingdom
Algae Bryophytes Pteridophytes Gymnosperms Angiosperms
Animal Kingdom
Basis of classification Classification of animals
Morphology of Flowering Plants
The root Modifications of leaf Inflorescence The seed Semi-technical description Family Malvaceae Family Gramineae
Anatomy of Flowering Plants
Structural Organisation in Animals
Cell: The Unit of Life
Overview of the cell Prokaryotic cells Eukaryotic cells
Biomolecules
Chemical composition Proteins Polysaccharides Structure of proteins Enzymes
Cell Cycle and Cell Division
Cell cycle Mitosis (M phase) Significance of mitosis
Photosynthesis in Higher Plants
Early experiments Site of photosynthesis Light reaction Electron transport Calvin cycle C₄ pathway Photorespiration
Respiration in Plants
Glycolysis Fermentation Aerobic respiration
Plant Growth and Development
Seed germination Differentiation, dedifferentiation and redifferentiation
Breathing and Exchange of Gases
Respiratory organs Exchange of gases Transport of gases Disorders of respiratory system
Body Fluids and Circulation
Blood Lymph (tissue fluid) Circulatory pathways Double circulation Disorders of the circulatory system
Excretory Products and Their Elimination
Modes of excretion Urine formation Functions of the tubules Counter current mechanism Regulation of kidney function Micturition Disorders of the excretory system
Locomotion and Movement
Types of movement Muscle and muscle contraction Joints Disorders of muscles and bones
Neural Control and Coordination
Neural system and coordination Human neural system Neuron and the nerve impulse
Chemical Coordination and Integration
Human endocrine system Hormones of heart, kidney and gut Mechanism of hormone action
Sexual Reproduction in Flowering Plants
Flower: a fascinating organ Pre-fertilisation: structures and events Double fertilisation Post-fertilisation: structures and events