Optionals IAS Mains Geography: Questions 554 - 564 of 1537

Oceanic Relief Features of the Blue Planet

• Our Earth acquires its name as ‘the blue planet’ because of the presence of oceans which comprises more than 70 % or 140 square miles of the earth՚s surface. It is very necessary to study about the oceans. The formal oceanographically investigation began with the British Expedition of the Challenger.
• The rel…

Frontiers and Boundaries

• The word ‘frontier’ is derived from Latin word ‘frons’ and French word ‘front’ which means forepart of any region. It represents the region which is situated in the front of the mainland. Frontier is not political hypothesis rather natural or social which is related with the development of settled areas and the civilization.…

Geological Structures and Landforms

• Geological structures includes all those ways in which the earth materials that help in the formation of landforms, those landforms are different from one another in their physical and chemical properties.
• The term structure in its broad sense includes lithology or nature of rocks, arrangement, and deposition of ro…

Concept of Pediplanation

• According to King, all the four elements i.e.. , summital convexity, free face, rectilinear, basal concavity are found in standard slope.
• The complete formation of any slope depends on local conditions. Strong bed and relief come under local conditions.
• If any of the two is absent then free face and debris slope would not form…

Gravity Model in Geographical Studies

In Urban Geography, gravity model is used to predict the degree of interaction between two places or centers which is in direct proportion to their size and in inverse proportion to the distance between them. It can be used to account for any interaction or flow that is expected to move from one place to another…

Biome

• A biome is a community of flora and fauna that have common characteristics for the environment in which they exist. They are large ecological area on the earth՚s surface. There are two types of biome: Terrestrial and Aquatic.
• Tropical Rainforest Biome comes under territorial biome.
• It includes southern and south-eastern Asia: in Western Ghats of…

Central Business District

• CBD is referred as Central Business District which indicates the heart of the city.
• It is the centre of trade activities and is reachable to all parts of the city.
• It plays an important role in shaping the city՚s development.
• It is characterized by high concentration of tall buildings; working population; retail stores; highes…

Quantitative Revolution

• The application of statistical and mathematical techniques, theorems and proofs to understand geographical systems is known as the Quantitative Revolution in Geography. Geography was facing problems of generalization and theory building for more than two hundred years. After the Second World War, geographers of developed coun…