Geography

Pygmy, in anthropology, member of any human group whose adult males grow to less than 59 inches (150 cm) in average height. A member of a slightly taller group is termed pygmoid.  The best-known Pygmy groups and those to whom the term is most commonly applied are the Pygmies of tropical Africa; elsewhere in Africa … Read more

‘Nuakhai Juhar’, is one of the most ancient festivals celebrated in Odisha, Chhattisgarh and areas of neighbouring states to welcome the new crop of the season. Nuakhai Juhar is the agricultural festival is also called Nuakhai Parab or Nuakahi Bhetghat. Nuakhai is a combination of two words signifies eating of new rice as ‘nua’ means … Read more

The reasons for the diversity are as follows:   Over geological times the tropics have had more stable climate than the temperatezones. In tropics, therefore, local species continued to live there itself, whereas intemperate they tend to disperse to other areas. Tropical communities are older than temperate one’s and therefore there has beenmore time for … Read more

: Winds blowing across the ocean surface push water away. Water then rises up from beneath the surface to replace the water that was pushed away. This process is known as “upwelling.”   Upwelling occurs in the open ocean and along coastlines. The reverse process, called “downwelling,” also occurs when wind causes surface water to … Read more

Western Disturbances develop in the mid latitude region (north of the Tropic of Cancer), not in the tropical region, therefore they are called as mid latitude storms or extra-tropical storms. Extra-Tropical Cyclones are also called as winter storms and blizzards.Western Disturbances are low pressure systems, embedded in western winds (westerlies) that flow from west to the east.It is … Read more

High and low tides are caused by the Moon. The Moon’s gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the Moon and the side farthest from the Moon. These bulges of water are high tides. As the Earth rotates, your region … Read more

The theory of plate tectonics proposes that the earth’s lithosphere is divided into seven major and several minor plates. The movement of the plates results in the building up of stresses within the plates and the continental rocks above, which leads to folding, faulting and volcanic activity. The major plates are surrounded by fold mountains, … Read more

urban settlements are classified on various bases. However, classification based on size and function are most common. Let us discuss them one by one Classification based on Population Size According to population size, census of India classifies urban centres into six classes. Classwise urban settlements and their population Class                              Population Class I                            1,00,000 and above … Read more

Desert plants tend to look very different from plants native to other regions. They are often swollen, spiny, and have tiny leaves that are rarely bright green. Their strange appearance is a result of their remarkable adaptations to the challenges of the desert climate. Aridity is the sole factor that defines a desert and is … Read more

Climate is the average weather conditions of large area. According to the koeppen system of classification , the world is divided into five climatic groups and 13 climatic types based on the temperature, precipitation and vegetation. The notable characteristics of Monsoon type of climate are as follows: The climate is divided into distinct 4 seasons. … Read more