Geography

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

The parent material for most of the black soil are the volcanic rocks that were formed in the Deccan Plateau (Deccan and the Rajmahal trap).In Tamil Nadu, gneisses and schists form the parent material. The former are sufficiently deep while the later are generally shallow.These are the region of high temperature and low rainfall. It … Read more

Tsunami meaning “harbour wave” It is a series of extremely long waves caused by a large and sudden displacement of the ocean due to earthquake, volcanic eruptions etc. When they reach the coast, they can cause dangerous coastal flooding and powerful currents that can last for several hours or days. Characters of Tsunami waves are … Read more

The major reasons for the downfall of buddhism in Indian subcontinent are as follows: Corruptions in Buddhist Sanghas: In course of time, the Buddhist ‘Sangha’ became corrupt. The monks and followers came to be drawn towards luxury and enjoyment. Receiving and saving valuable gifts like gold and silver made them greedy and materialistic Reform in … Read more

Difference Between Wildlife Sanctuary And National Park Wildlife sanctuary National Park Human activities are allowed No human activities are allowed Objective is to protect particular flora or fauna Can include flora, fauna or even any object of historical significance. Boundaries are not fixed Boundaries are fixed and are defined. Formed by the executive orders of … Read more

The plains are often termed as the ‘Granary of India’. The soils of the plains are one ofthe most fertile soils of India. They are being devoted to cereal and non – cereal crops. They have rich underground water table. The underground water is utilized with thehelp of wells and tube wells for irrigation, industrial … Read more

The continental shelf is the extended margin of each continent occupied byrelatively shallow seas and gulfs. It is the shallowest part of the ocean showing anaverage gradient of 1° or even less.The width of the continental shelves vary from one ocean to another. The average widthof continental shelves is about 80 km. Significance of Continental … Read more

National Heritage City Development and Augmentation Yojana (HRIDAY) is focused on holistic development of heritage cities.  The main objective of HRIDAY is to preserve character of the soul of heritage city and facilitate inclusive heritage linked urban development in partnership with State Government. The duration of HRIDAY schemes would be Four Years starting from December … Read more

Endogenic forces are the internal forces which are responsible for the formation of newundulations on the surface of the earth. Since they create new landforms they are also knownas the Forces of Construction.They are the result of the convectional currents formed in the mantle. The source of this heatis the primordial heat of the interior … Read more

“Jig saw” fit- Wegener was struck by the geographical similarity between the opposite coasts ofthe Atlantic Ocean. The outlines of the two coasts appears to be the detached portion of theother ie. The east coast of north and South America can be exactly fit into the left coast ofAfrica and Europe. Geological structure- there is … Read more