CBSE Solutions, PDF Book, MCQ, Revision Notes, Important Questions, Sample Paper, Previous Year Paper

Class 6

Class 7

Class 8

Class 9

Class 10

Class 11

Class 12

Notes Class 11 Biology Chapter 13 Plant Growth and Development

Notes For All Chapters Biology Class 11 CBSE All plant organs are made up of various kinds of tissues which occupy specific locations within an organ and perform specific designated functions. Thus, the development of a plant follows a very precise pattern, during this period complex body organisation is formed, i.e., produces, roots, leaves, branches, […]

Notes Class 11 Biology Chapter 12 Respiration in Plants

Notes For All Chapters Biology Class 11 CBSE All living organisms require a continuous supply of energy for their survival. Energy is used to carry out various functions such as uptake of materials, absorption, growth, development, movement and even breathing. About 50% of the energy produced by the cell is utilized by these cellular activities […]

Notes Class 11 Biology Chapter 11 Photosynthesis in Higher Plants

Notes For All Chapters Biology Class 11 CBSE All animals including human beings depend on plants for their food. Green plant synthesize the food they need, and for all other organisms depend on them for their needs. Green plants carry out photosynthesis, a physio-chemical processor which they use the light energy to derive the synthesis […]

Notes Class 11 Biology Chapter 12 Mineral Nutrition

Notes For All Chapters Biology Class 11 Topic 1 Minerals and Their Importance Living organisms require a number of macromolecules, such as carbohydrates, proteins, fats, water and minerals in order to grow and develop. Thus, the inorganic substances or minerals that provide nourishment to the living organisms or wftrk as a raw material for body […]

Notes Class 11 Biology Chapter 11 Transport in Plants

Notes For All Chapters Biology Class 11 In flowering plants, a complex movement of materials take place in different directions. This is despite the fact that plants do not bear any circulatory system. Water taken up by the roots has to reach all the parts of the plant, up to very tip of the growing […]

Notes Class 11 Biology Chapter 10 Cell Cycle and Cell Division

Notes For All Chapters Biology Class 11 CBSE Each and every organism begins its life from single cell and grows to form large organism. All living cells grow in size and reproduce by dividing into two daughter cells, i.e., each parental cell divide and give rise to two daughter cells each time it divide, which […]

Notes Class 11 Biology Chapter 9 Biomolecules

Notes For All Chapters Biology Class 11 CBSE A cell is composed of variety of molecules (like carbon, hydrogen, oxygen) which perform various functions. Other than these basic elements, some metals and non-metals are also present as cellular materials, thence, all these materials combines in different ways in order to form various biomolecules, which are […]

Notes Class 11 Biology Chapter 8 Cell The Unit of Life

Notes For All Chapters Biology Class 11 CBSE Topic 1 Cell :An Overview An organism consist of one or more cells, accordingly there are two types of organisms, i.e., unicellular (composed of single cell) and multi cellular (composed of many cells). Cell Theory The cell theory was formulated by two German Scientists, Matthias Schneider and […]

Notes Class 11 Biology Chapter 7 Structural Organisation in Animals

Notes For All Chapters Biology Class 11 CBSE Topic 1: Animal Tissues Tissue All cells are well organised and coordinated to work in a group. A group of similar cells along with intercellular substances perform a specific function, such an organisation is called tissue. The term ‘Tissue’ was introduced by Bichat and he is known […]

Notes Class 11 Biology Chapter 6 Anatomy of Flowering Plants

Notes For All Chapters Biology Class 11 CBSE This chapter introduces the internal structure and functional organisation of higher plants. The study of internal structure of plant is called anatomy. 1. Tissues and Tissue Systems The plants have cells as their basic unit. Compared to animal cells, plant cells have a cell wall consisting of […]

Notes Class 11 Biology Chapter 5 Morphology of Flowering Plants

Notes For All Chapters Biology Class 11 CBSE The angiosperms or flowering plants show a large diversity in external structure called as morphology (Gk. Morphe—form; logos—study). However, they all are characterised by the presence of roots, stems, leaves, flowers and fruits. 1. Flowering Plants The plant body consists of a main axis, which may be […]

Notes Class 11 Biology Chapter 4 Animal Kingdom

Notes For All Chapters Biology Class 11 CBSE There are over a million species of animals that have been described till now. These vast species have diverse structural forms. Therefore, the need for classification of animals becomes very important. 1. Animals : Features & Basis of Classification The classification helps in easy identification and also […]

Notes Class 11 Biology Chapter 3 Plant Kingdom

Notes For All Chapters Biology Class 11 CBSE 1.Basis of Classification and Algae, Bryophytes & Pteridophytes Our understanding of the plant kingdom has changed over time. Fungi and members of the Monera and Protista having cell walls have not been separated form Plantae, the earlier classifications kept them in the same kingdom. The kingdom-Plantae has […]

Notes Class 11 Biology Chapter 2 Biological Classification

Notes For All Chapters Biology Class 11 CBSE Biological classification is the scientific procedure of arranging organisms in a hierarchical series of groups and sub-groups on the basis of their similarities and dissimilarities. 1.Need of Classification There have been many attempts to classify living organisms since ancient times. Aristotle was the earliest to attempt a […]

The Living World Notes Chapter 1 Class 11 Biology

Notes For All Chapters Biology Class 11 CBSE 1.Living World: Characteristics The earth serves as a home for diverse living organisms. The organisms live in various habitats like forests, mountains, deserts, oceans, freshwater bodies, hot springs, polar regions and almost every place of the earth. Living things possess certain characteristics, which makes Some of these […]

Notes Class 11 Physics CBSE

Units and Measurement Notes Chapter 1 Physics Class 11 Motion in a Straight Line Notes Chapter 2 Physics Class 11 Motion in a Plane Notes Chapter 3 Physics Class 11 Law of Motion Notes Chapter 4 Physics Class 11 Work, Energy and Power Notes Chapter 5 Physics Class 11 Systems of Particles and Rotational Motion […]

Notes Class 11 Physics Chapter 14 Waves

Notes For All Chapters Physics Class 11 CBSE • Waves Wave is a form of disturbance which travels through a material medium due to the repeated f periodic motion of the particles of the medium about their mean positions without any actual transportation of matter. • Characteristics of wave The characteristics of waves are as […]

Notes Class 11 Physics Chapter 13 Oscillations

Notes For All Chapters Physics Class 11 CBSE • Periodic Motion Motions, processes or phenomena, which repeat themselves at regular intervals, are called periodic. • Oscillatory Motion The motion of a body is said to be oscillatory motion if it moves to and fro about a fixed point after regular intervals of time. The fixed […]

Notes Class 11 Physics Chapter 12 Kinetic Theory

Notes For All Chapters Physics Class 11 CBSE • The kinetic theory was developed in the nineteenth century by Maxwell, Boltzman and others. Kinetic theory explains the behaviour of gases based on the idea that the gas consists of rapidly moving atoms or molecules. • Ideal Gas An ideal gas or a perfect gas is […]

Notes Class 11 Physics Chapter 11 Thermodynamics

Notes For All Chapters Physics Class 11 CBSE • The branch of physics which deals with the study of transformation of heat into other forms of energy and vice-versa is called thermodynamics. Thermodynamics is a macroscopic science. It deals with bulk systems and does not go into the molecular constitution of matter. • A collection […]

Notes Class 11 Physics Chapter 10 Thermal Properties of Matter

Notes For All Chapters Physics Class 11 CBSE • Heat is the form of energy transferred between two (or more) systems or a system and its surroundings by virtue of temperature difference. The SI unit of heat energy transferred is expressed in joule (J). In CGS system, unit of heat is calorie and kilocalorie (kcal). […]

Notes Class 11 Physics Chapter 9 Mechanical Properties of Fluids

Notes For All Chapters Physics Class 11 CBSE • Fluids are the sustances which can flow e.g., liquids and gases. It does not possess definite shape. • When an object is submerged in a liquid at rest, the fluid exerts a force on its surface normally. It is called thrust of the liquid. • Pressure The […]

Notes Class 11 Physics Chapter 8 Mechanical Properties of Solids

Notes For All Chapters Physics Class 11 CBSE • Inter molecular Force In a solid, atoms and molecules are arranged in such a way that each molecule is acted upon by the forces due to the neighbouring molecules. These forces are known as inter molecular forces. • Elasticity The property of the body to regain […]

Notes Class 11 Physics Chapter 7 Gravitation

Notes For All Chapters Physics Class 11 CBSE • Kepler’s Laws of Planetary Motion Johannes Kepler formulated three laws which describe planetary motion. They are as follows: (i) Law of orbits. Each planet revolves around the sun in an elliptical orbit with the sun at one of the foci of the ellipse. (ii) Law of […]

Notes Class 11 Physics Chapter 5 Work, Energy and Power

Notes For All Chapters Physics Class 11 CBSE • Work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of applied force. It is measured by the product of the force and the distance moved in the direction of the force, i.e., […]

Notes Class 11 Physics Chapter 4 Law of Motion

Notes For All Chapters Physics Class 11 CBSE • Dynamics is the branch of physics in which we study the motion of a body by taking into consideration the cause i.e., force which produces the motion. • Force Force is an external cause in the form of push or pull, which produces or tries to produce […]

Notes Class 11 Physics Chapter 3 Motion in a Plane

Notes For All Chapters Physics Class 11 CBSE • Motion in a plane is called as motion in two dimensions e.g., projectile motion, circular motion etc. For the analysis of such motion our reference will be made of an origin and two co-ordinate axes X and Y. • Scalar and Vector Quantities Scalar Quantities. The physical […]

Notes Class 11 Physics Chapter 2 Motion in a Straight Line

Notes For All Chapters Physics Class 11 CBSE • Introduction Motion is one of the significant topics in physics. Everything in the universe moves. It might only be a small amount of movement and very-very slow, but movement does happen. Even if you appear to be standing still, the Earth is moving around the sun, […]

Notes Class 11 Physics Chapter 1 Units and Measurement

Notes For All Chapters Physics Class 11 CBSE Measurement The process of measurement is basically a comparison process. To measure a physical quantity, we have to find out how many times a standard amount of that physical quantity is present in the quantity being measured. The number thus obtained is known as the magnitude and […]

Notes Class 11 Physics Chapter 1 Physical World

Notes For All Chapters Physics Class 11 Science Science is a systematic and organised attempt to acquire knowledge about the surroundings through observations, experiments and verifications. Scientific Method Several inter-related steps are involved in scientific method. Some of the most significant steps are as follows: 1. The systematic observations 2. Reasoning 3. Mathematical modelling 4. […]

Notes Class 11 Chemistry CBSE

Some Basic Concepts of Chemistry Notes Chapter 1 Chemistry Class 11 Structure of Atom Notes Chapter 2 Chemistry Class 11 Classification of Elements and Periodicity in Properties Notes Chapter 3 Chemistry Class 11 Chemical Bonding and Molecular Structure Notes Chapter 4 Chemistry Class 11 Thermodynamics Notes Chapter 5 Chemistry Class 11  Equilibrium Notes Chapter 6 Chemistry  […]

Notes Class 11 Chemistry Chapter 14 Environmental Chemistry

Notes For All Chapters Chemistry Class 11 • Environmental Chemistry It is the branch of science which deals with the chemical changes in the environment. It includes our surroundings as air, water, soil, forest etc. • Environmental Pollution It is the effect of undesirable changes in our surroundings that have harmful effects on plants, animals […]

Notes Class 11 Chemistry Chapter 9 Hydrocarbons

Notes For All Chapters Chemistry Class 11 CBSE • Hydrocarbon A compound of carbon and hydrogen is known as hydrocarbon. • Saturated Hydrocarbon A hydrocarbon is said to be saturated if it contains only C—C single bonds. For example: Ethane CH3—CH3  • Unsaturated Hydrocarbon • Aromatic Hydrocarbon Benzene and its derivatives are called aromatic compounds. […]