Geography Booster

 Salinity of oceans Salinity is defined as the ratio between the weight of the dissolved materials and the weight of the sample sea water. Generally, salinity is defined as ‘the total amount of solid material in grams contained in one kilogram of sea water and is expressed as part per thousand (%o) e.g., … Read more

 Variation in the population in various countries The Growth of Human Population: Four Major Periods or Stages An early period of hunters and gatherers   This period ranges between the first evolutions of humans on this planet to the beginning of agriculture. During this period, it is estimated that the total population was … Read more

 ELEMENTS OF CLIMATE AND WEATHER   Climate is decided by a region’s climate system. A climate system has few major components: the atmosphere, the layer, the cryosphere, and the land surface. The atmosphere is that the most variable a part of the climate system. The composition and movement of gases encompassing the planet … Read more

 Marine Resources – Economic significance and EEZ Economic significance of marine resources Marine energy Marine energy or marine power (also sometimes referred to as ocean energy, ocean power, or marine and hydrokinetic energy) refers to the energy carried by ocean waves, tides, salinity, and ocean temperature differences. The movement of water in the … Read more

 Pressure and wind belts Atmospheric pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified area). Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates the height of a column … Read more

 ORIGIN The Department of Agriculture has been created mainly to provide Agricultural Extension services to farmers and to transfer the latest technical knowledge to the farming community, introduction of high yielding varieties, laying demonstrations, imparting training to farmers to improve skills & knowledge to boost up the agricultural Production and productivity. The other … Read more

 Earth and its Geological time scale:-   Origin of the Earth:- EARLY THEORIES:- A large number of hypotheses were put forth by different philosophers and scientists regarding the origin of the earth. One of the earlier and popular arguments was by German philosopher Immanuel Kant. Mathematician Laplace revised it in 1796. It is … Read more

 Population growth and economic development The effect of population growth on a society’s per capita output level depends on the pattern of population growth as also its institutional (organ­isational) framework. In other words, it depends on the age composition of the population. The pattern of spending reflects the age distribution. An ageing population—one … Read more

 Census of India : Economic and Social features Rural and urban population Altogether, 833.5 million persons live in rural area as per Census 2011, which was more than two-third of the total population, while 377.1 million persons live in urban areas. Urban proportion has gone up from 17.3 per cent in 1951 to … Read more

 Fauna and Flora Geography: Wild Animals, Animals, Birds, Reptiles, Mammals, Trees and Plants and others Flora is the name given to the collective plant life that grows or once grew in a certain area or during a given time period. It usually refers to the native plant life present but does include new … Read more