Abrasion : It is the wearing away of ground by particles of rocks by rivers, ice or the wind. It is a type of land erosion by running water, glaciers, waves and strong winds.Absolute age : The age of a rock mineral or fossil. It is measured by radiometric method.Absolute humidity : The amount of […]
Bangladesh is situated on the eastern side of our country.(i) Location : This country bordered on the north, west and east by India and the Bay of Bengal is on the south. It lies between latitudes 210N and 26030’N. Through the middle of it, passes the Tropic of Cancer.It lies between longitudes 880E and 920
Introduction : Countries such as India, Pakistan, Bangladesh, Nepal, Bhutan, Myanmar, Sri Lanka come under Indian subcontinent. These six countries share a common heritage of history and geography. In this chapter a brief description about Pakistan and Bangladesh is given.PAKISTANLocation and Area : Pakistan is located on the western side of India. It has Iran
General : There are seven continents of which Asia is the largest in the world. It has an area of 44.6 million sq. km and covers about 33% of land surface of the world. The population of this continent is 3686 million people. Asia has about 60% of world population, It is the most populous
Water is most important for humans as well as for the agriculture and the country’s development. Optimum use of water resources, therefore, is of great importance.Water Resources Potential : The run-off of water in the rivers of the country has been assessd as 1869 km. Of this, the usable portion is estimated as about 690
Land use : India has about 32.88 crore hectares of land. From this total land we have a data of 92.5% land area. This land is used in cultivation, forests, industries etc. The following table explains the land use :Land use % put to use1. Cultivated land 51.002. Forests 19.033. Waste land 14.014. Cultivable waste
20. IRRIGATION, POWER AND MULTI-PURPOSE PROJECTS Read More »
Manufacturing Industry : An industry engaged in processing raw materials into finished products is called a manufacturing industry. For example wheat is a raw material and after ground into flour, it is to be made into finished products like bread etc.In manufacturing, raw material is processed into a finished product. Thereby the value of the
Importance of Agriculture in Indian EconomyAgriculture has a very big role in India’s economy due to the following factors :(i) About 60% of Indian population derive their livelihood from agriculture.(ii) India is a country which has second highest population in the world. Agriculture provides food to this huge population and very large number of cattles.(iii)
Soil : The upper layer of the earth’s crust is called soil. Soil supports life. Soil is made up of humus and loose rocks. The soil is formed by climate, vegetation, weathering and animal life.Importance of Soil : In agricultural countries like India, Pakistan and Bangladesh the soil is most important. We get most of
Natural Vegetation : India has various types of soils, climates, mountains, plateaus and plains. These are the natural elements. Different areas of the country have different rainfalls. Our natural vegetation has bushes, rain forests, thorns, alpine vegetation and tidal forests.Climatic distribution of Natural Vegetation : Temperature and rainfall has a great impact on natural vegetation.
Climatic Diversity : India is a very big country and has regional variations in its climate. The interior of the country has a continental type of climate. Variety of climates in India are :(i) June is the hottest month for Rajasthan, Uttar Pradesh etc. In Rajasthan the temperature may go up to 550C.(ii) Temperature in
The Indian SubcontinentLocation : Indian subcontinent comprises of India, Pakistan, Bangladesh, Nepal and Bhutan. The subcontinent extents between 80 4’N and 370 6’N latitudes and between 680 7’E and 970 25’E longitudes. If we add the sixth country Sri Lanka then it starts from 60N latitude. Through the middle of India the tropic of cancer
Rocks break into smaller pieces and fianlly into fine particles by the atmospheric elements like temperature wind, humdity, rain etc. This process is called weathering. Plants and animals also cause weathering of rocks.Weathering processes are of two types namely:(i) Physical or Mechanical weathering(ii) Chemical Weathering(i) Physical or Mechanical Weathering : The rocks break into smaller
Earthquakes : The tremors felt on the earth’s crust for a few seconds is called earthquake. In earthquakes the surface of the earth moves backward and forward or up and down.Following are the causes of Earthquakes.(i) The dislocated parts of the earth move up and down or to the sides and cause earthquakes.(ii) The internal