IAS (Admin.) Mains Geography: Questions 447 - 453 of 761
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Question 447
Describe in Detail Subjective▾
Discuss the processes of mechanical and chemical weathering and show their relationship with soil formation.
EditExplanation
Weathering is natural process of mechanical disintegration and chemical decomposition of rock material, insitu, under the action of weather and climate. It breaks rock fragments in smaller, softer and bulkier one. Mechanical and Chemical weathering together with biological weathering are three different types of weathering.
Mechanical Weathering Mec…
… (433 more words) …
Question 448
Appeared in Year: 2018
Describe in Detail Subjective▾
Discuss critically how Quantitative Revolution provided the methodological foundation for models and modelling in geography.
EditExplanation
- Quantitative revolution and model building provided an empirical basis for geographical research.
- The genesis and growth of geography to decipher the man-environment relationship largely followed a descriptive approach. In its pursuit, the discipline was constantly confronted by the problems of generalization and theory building. The decreasing sign…
… (518 more words, 25 figures) …
Question 449
Appeared in Year: 2018
Describe in Detail Subjective▾
Explain the role of evaporation in the Hydrological Cycle?
EditExplanation
The water cycle is the continuous movement of water from the earth՚s surface to the atmosphere and then back to the ground. It does not have a starting or an ending point. Water goes through all the three states, solid-liquid-gas, in the process & sun, air currents assist the water cycle,
- No rain equals no water for the forests and other greenery in…
… (207 more words) …
Question 450
Appeared in Year: 2020
Describe in Detail Subjective▾
Answer the following in about 150 words each:
“Where economic growth is sustained over long time periods, its incidence works towards a progressive integration of the space economy.” Elucidate.
EditExplanation
In 1966 John Friedman developed the core-periphery four-stage model of regional development, explaining that “where economic growth is sustained over long time periods, its incidence works towards a progressive integration of the space economy” .
Core Periphery Model
A spatial model of economic development based on the observation that regionally, na…
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Question 451
Describe in Detail Subjective▾
Discuss the concept of cycle of erosion and bring out clearly the difference between the views of Davis and Penck.
EditExplanation
Concept of Cycle of Erosion and Difference between the Views of Davis and Penck
Cycle of Erosion
The concept of cycle of erosion deals with the transformation of an uplifted landmass by the process of land sculpture into a featureless plain and strives for explaining what effect can an exogenic force have on the landscape.
Different geomorphologists p…
… (390 more words, 14 figures) …
Question 452
Appeared in Year: 2020
Describe in Detail Subjective▾
Answer the following in about 150 words each:
“Human ecology is the study of mutual relationship of people and their environment both natural and social.” Discuss in detail using ecological concepts. (marks 15)
EditExplanation
Human ecology is an interdisciplinary and transdisciplinary study of the relationship between humans and their natural, social, and built environments.
This concept is concern with the following situation:
- Social and genetical adaptation of humans to the environment and to environmental change;
- The role of social, cultural, and psychological factors i…
… (382 more words, 55 figures) …
Question 453
Explanation
Geographic Information System is designed to store, manage, display and analyse all types of geographic and spatial data. Choosing the right GIS tool is really about understanding the problem that users are looking to solve.
Desktop GIS
- They are used for creating, editing, visualising, managing, and analysing geographic d…
… (244 more words, 5 figures) …