Class 11 CBSE Notes Hub
Class 11 Science: Physics | Chemstry | Biology | Mathematics
Physics Unit 1: Units and Measurements
The foundation of physics. Covers SI units, dimensional analysis, and techniques for handling errors and significant figures in scientific experiments.
View Full NotesPhysics Unit 2: Motion in a Straight Line
Focuses on kinematics in one dimension. Study the relationships between position, displacement, velocity, and uniform acceleration.
View Full NotesPhysics Unit 3: Motion in a Plane
Extends kinematics to two dimensions using vectors. Analyzes complex movements like projectile motion and uniform circular motion.
View Full NotesPhysics Unit 4: Laws of Motion
Based on Newton’s three laws. It explores the concept of force, inertia, momentum, and the "necessary evil" known as friction.
View Full NotesPhysics Unit 5: Work, Energy, and Power
Explains how forces do work and transfer energy. Covers the work-energy theorem, conservative forces, and various types of collisions.
View Full NotesPhysics Unit 6: System of Particles and Rotational Motion
Moves from point masses to rigid bodies. Introduces center of mass, torque, angular momentum, and the moment of inertia.
View Full NotesUnit 7: Gravitation
The study of planetary motion and gravity. Includes Kepler’s laws, Newton’s universal law of gravitation, and satellite dynamics.
View Full NotesPhysics Unit 8: Mechanical Properties of Solids
Focuses on elasticity and how materials deform under stress. Covers Hooke’s Law, Young's modulus, and the elastic behavior of matter.
View Full NotesPhysics Unit 9: Mechanical Properties of Fluids
Covers fluid statics and dynamics. Includes Pascal’s Law, Bernoulli’s principle, surface tension, and viscosity.
View Full NotesPhysics Unit 10: Thermal Properties of Matter
Deals with heat and temperature. Explores thermal expansion, calorimetry, and the three modes of heat transfer: conduction, convection, and radiation.
View Full NotesPhysics Unit 11: Thermodynamics
The study of heat, work, and internal energy. Focuses on the Zeroth, First, and Second laws of thermodynamics and heat engine efficiency.
View Full NotesPhysics Unit 12: Kinetic Theory
Explains gas behavior at a molecular level. Connects microscopic motion to macroscopic properties like pressure and temperature.
View Full NotesPhysics Unit 13: Oscillations
A deep dive into repetitive motion. Specifically focuses on Simple Harmonic Motion (SHM) using pendulums and spring systems.
View Full NotesPhysics Unit 14: Waves
Explores how energy travels through media. Covers transverse and longitudinal waves, superposition, beats, and the Doppler effect.
View Full NotesMath-Unit 1: Sets
The language of modern math. Covers empty sets, finite and infinite sets, subsets, power sets, universal sets, Venn diagrams, and operations like union and intersection.
View Full NotesMath-Unit 2: Relations and Functions
Explores ordered pairs, Cartesian products, and the domain/range of relations. Covers specific functions like identity, constant, polynomial, rational, and modulus functions.
View Full NotesMath-Unit 3: Trigonometric Functions
Covers positive and negative angles, radian and degree measures, and trigonometric identities. Includes the study of signs, domains, and ranges of trig functions.
View Full NotesMath-Unit 4: Complex Numbers and Quadratic Equations
Introduces imaginary numbers ($i$), the algebraic properties of complex numbers, Argand planes, and solving quadratic equations with complex roots.
View Full NotesMath-Unit 5: Linear Inequalities
Deals with algebraic solutions of linear inequalities in one and two variables. Includes graphical representation of solution sets on number lines and coordinate planes.
View Full NotesMath-Unit 6: Permutations and Combinations
Focuses on counting techniques. Covers the Fundamental Principle of Counting, factorial notation ($n!$), and formulas for permutations and combinations.
View Full NotesMath-Unit 7: Binomial Theorem
Provides the expansion of a binomial expression raised to any positive integral power. Includes Pascal’s triangle and general/middle term calculations.
View Full NotesMath-Unit 8: Sequences and Series
Explores patterns in numbers. Covers Arithmetic Progression (AP), Geometric Progression (GP), and formulas for general terms and sums of series.
View Full NotesMath-Unit 9: Straight Lines
Analysis of 2D lines. Covers slope, various forms of equations (point-slope, intercept, normal), and the distance of a point from a line.
View Full NotesMath-Unit 10: Conic Sections
The study of curves formed by intersecting cones: circles, ellipses, parabolas, and hyperbolas. Includes standard equations and properties like eccentricity.
View Full NotesMath-Unit 11: Three-dimensional Geometry
Extends coordinate geometry to 3D space. Introduces coordinate axes, octants, coordinates of points, and the distance formula in three dimensions.
View Full NotesMath-Unit 12: Limits and Derivatives
The introduction to Calculus. Covers the intuitive idea of limits, standard limits, and the definition of a derivative as a rate of change.
View Full NotesMath-Unit 13: Statistics
Focuses on measures of dispersion. Covers mean deviation, variance, and standard deviation for grouped and ungrouped data.
View Full NotesMath-Unit 14: Probability
Deals with uncertainty. Covers random experiments, sample spaces, events (exhaustive, mutually exclusive), and the axiomatic approach to probability.
View Full NotesChemistry-Unit 1: Some Basic Concepts of Chemistry
The groundwork of chemical science. Covers the law of chemical combinations, Dalton's atomic theory, mole concept, molar mass, and stoichiometry calculations.
View Full NotesChemistry-Unit 2: Structure of Atom
Explores the subatomic world. Key concepts include Bohr’s model, dual nature of matter (de Broglie), Heisenberg uncertainty principle, and quantum numbers ($n, l, m, s$).
View Full NotesChemistry-Unit 3: Classification of Elements and Periodicity
Understanding the Periodic Table. Focuses on s, p, d, and f block trends, ionization enthalpy, electron gain enthalpy, and electronegativity.
View Full NotesChemistry-Unit 4: Chemical Bonding and Molecular Structure
How atoms stick together. Covers Valence Bond Theory (VBT), VSEPR theory for molecular shapes, Hybridization, and Molecular Orbital Theory (MOT).
View Full NotesChemistry-Unit 5: States of Matter
Focuses on intermolecular forces. Includes Boyle’s Law, Charles’s Law, the Ideal Gas equation, and concepts like critical temperature and viscosity.
View Full NotesChemistry-Unit 6: Chemical Thermodynamics
The study of energy changes. Key topics: First and Second Laws, Enthalpy ($H$), Entropy ($S$), and Gibbs Free Energy ($G$) for predicting spontaneity.
View Full NotesChemistry-Unit 7: Equilibrium
Dynamic balance in reactions. Covers Le Chatelier’s principle, equilibrium constants ($K_p, K_c$), ionic equilibrium, pH scale, and buffer solutions.
View Full NotesChemistry-Unit 8: Redox Reactions
Explores electron transfer. Covers oxidation numbers, balancing redox equations (half-reaction method), and applications in electrochemical cells.
View Full NotesChemistry-Unit 9: The s-Block Elements
Study of Alkali and Alkaline Earth metals. Focuses on electronic configurations, diagonal relationships, and compounds like Sodium Carbonate and Calcium Oxide.
View Full NotesChemistry-Unit 10: Some p-Block Elements
Introduction to Groups 13 and 14. Covers the anomalous behavior of Boron and Carbon, allotropes of carbon, and important compounds like Borax and Silicates.
View Full NotesChemistry-Unit 11: Organic Chemistry - Basic Principles
The foundation of Organic studies. Includes IUPAC nomenclature, isomerism, and electronic effects like Inductive, Electromeric, and Resonance effects.
View Full NotesChemistry-Unit 12: Hydrocarbons
Classification of Alkanes, Alkenes, and Alkynes. Includes preparation methods, physical properties, and chemical reactions like nitration and sulfonating.
View Full NotesChemistry-Unit 13: Environmental Chemistry
Chemistry of the environment. Covers air, water, and soil pollution, the Greenhouse Effect, Global Warming, and strategies to control environmental degradation.
View Full NotesUnit 1: Diversity of Living World
Chapter 1: The Living World - Taxonomic hierarchy,
binomial nomenclature, and defining features of life.
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Chapter 2: Biological Classification - Five kingdom
classification (Monera, Protista, Fungi, Plantae, Animalia), viruses,
and viroids.
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Chapter 3: Plant Kingdom - Classification of Algae,
Bryophytes, Pteridophytes, Gymnosperms, and Angiosperms.
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Chapter 4: Animal Kingdom - Basis of classification
(symmetry, coelom) and characteristics of non-chordates and chordates.
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Unit 2: Structural Organisation in Plants and Animals
Chapter 5: Morphology of Flowering Plants -
Modifications of roots, stems, leaves; inflorescence, and flower
descriptions.
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Chapter 6: Anatomy of Flowering Plants - Meristematic
and permanent tissues; internal structure of dicot and monocot roots,
stems, and leaves.
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Chapter 7: Structural Organisation in Animals -
Animal tissues (epithelial, connective, muscular, neural) and
morphology of a cockroach.
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Unit 3: Cell: Structure and Function
Chapter 8: Cell: The Unit of Life - Prokaryotic and
eukaryotic cell structure; functions of organelles like mitochondria,
chloroplasts, and nucleus.
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Chapter 9: Biomolecules - Chemical constituents of
living cells; structure and function of proteins, carbohydrates,
lipids, and nucleic acids; Enzymes.
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Chapter 10: Cell Cycle and Cell Division - Phases of
the cell cycle; detailed study of Mitosis and Meiosis and their
significance.
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Unit 4: Plant Physiology
Chapter 11: Photosynthesis in Higher Plants - Light
and dark reactions, C3 and C4 pathways, and factors affecting
photosynthesis.
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Chapter 12: Respiration in Plants - Glycolysis, TCA
cycle, electron transport system (ETS), and aerobic vs. anaerobic
respiration.
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Chapter 13: Plant Growth and Development - Phases of
growth, differentiation, and the role of plant growth regulators
(Auxins, Gibberellins, Cytokinins, ABA, Ethylene).
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Unit 5: Human Physiology
Chapter 14: Breathing and Exchange of Gases -
Respiratory organs, mechanism of breathing, and transport of $O_2$ and
$CO_2$.
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Chapter 15: Body Fluids and Circulation - Composition
of blood, human circulatory system, cardiac cycle, and ECG.
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Chapter 16: Excretory Products and Their Elimination
- Human excretory system, urine formation, and the role of the kidney
in osmoregulation.
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Chapter 17: Locomotion and Movement - Types of
movement, skeletal muscle structure, muscle contraction, and the
skeletal system.
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Chapter 18: Neural Control and Coordination - Neuron
structure, nerve impulse conduction, and reflex action.
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Chapter 19: Chemical Coordination and Integration -
Endocrine glands and hormones; mechanism of hormone action.
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