Author Archives: bhavancbse

CBSE Class 11 Geography Chapter 8 Composition and Structure of Atmosphere Notes  Atmosphere is the huge blanket of air that surrounds the earth and provides life supporting conditions on the earth.  The main constituents of air are nitrogen, oxygen, carbon dioxide, argon, helium, ozone, hydrogen, water vapour and dust particles. Nitrogen constitutes the largest proportion of …

Continue reading “Class 11 Geography Chapter 8 Composition and Structure of Atmosphere Notes”

CBSE Class 11 Geography Chapter 7 Landforms and their Evolution Notes The geomorphic agents like running water, ground water, wind, glaciers and waves form different landforms on the earth. These geomorphic agents acting over long periods of time produce systematic changes, leading to sequential development of landforms.The running water in its different stages, forms erosional and …

Continue reading “Class 11 Geography Chapter 7 Landforms and their Evolution Notes”

CBSE Class 11 Geography Chapter 6 Geomorphic Processes Notes Geomorphic processes refer to the chemical and physical interaction between the earth’s surface and the natural forces acting on it. This interaction produces various landforms. Geomorphic processes can be classified into exogenic and endogenic processes.  Endogenic forces are generated in the interior of the earth. Endogenic processes …

Continue reading “Class 11 Geography Chapter 6 Geomorphic Processes Notes”

CBSE Class 11 Geography Chapter 5 Minerals and Rocks Notes Minerals are naturally occurring substance. Minerals are formed through geological processes and are found in various forms in nature. They are also obtained from rocks. The study of minerals is called ‘Mineralogy’. Minerals generally occur in igneous, sedimentary, and metamorphic rocks. Minerals are usually found in …

Continue reading “Class 11 Geography Chapter 5 Minerals and Rocks Notes”

CBSE Class 11 Geography Chapter 4 Distribution of Oceans and Continents Notes Alfred Wegener, a German meteorologist put forth “the Continental Drift Theory” in 1912. About 300 years ago, all the continents formed a single continental mass. The super continent was named ‘Pangaea’, which meant ‘all earth’. A mega ocean surrounded ‘Pangaea’, which was called ‘Panthalassa’, …

Continue reading “Class 11 Geography Chapter 4 Distribution of Oceans and Continents Notes”

CBSE Class 11 Geography Chapter 3 Interior of the Earth Notes Earth is a dynamic planet. The surface of the earth is visible to us, but how can we know about the interior of the earth? There are direct and indirect sources to study about the interior structure of the earth. Direct sources include volcanic eruptions, mining …

Continue reading “Class 11 Geography Chapter 3 Interior of the Earth Notes”

CBSE Class 11 Geography Chapter 2 The Origin and Evolution of the Earth Notes Earth and the other celestial bodies in the solar system has always been a subject of fascination for all of us. People, since the early times were eager to know about the origin of Earth and the evolution of life on it. …

Continue reading “Class 11 Geography Chapter 2 The Origin and Evolution of the Earth Notes”

CBSE Class 11 Geography Chapter 1 Geography as a Discipline Geography is the description of the earth. The term geography was first coined by Eratosthenes. It is derived from two roots from the Greek language: Geo meaning earth and graphos meaning description. Scholars defined Geography as the description of the earth as the abode of human …

Continue reading “Class 11 Geography Chapter 1 Geography as a Discipline Notes”

CBSE Notes for Class 11 Geography The term geography was first devised by Eratosthenes, a Greek scholar (276-194 BC.). Geography is a discipline of the combination of spatial synthesis and temporal synthesis. According to geography, Earth is described as the abode of human beings. Landforms provide the foundation on which anthropogenic activities are placed. The …

Continue reading “Class 11 Geography Notes”

CBSE Notes for Statistics for Economics Chapter 8 An index number is not an absolute measure, it measures the percentage change in a variable over time. It does so by comparing the value of a variable at present to its value at a base year. Index number gives a quantitative foundation to qualitative statements like prices …

Continue reading “Statistics for Economics Class 11 Notes Chapter 8”