Optionals IAS Mains Geography: Questions 930 - 943 of 1537

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Question 930

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Jharsuguda

Question 931

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Delhi

Question 932

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Ajanta Caves

Question 933

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Keoladeo National Park

Question 934

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Explain causes of global climate change and the historical basis for the same.

Explanation

Global Climate Change

  • Climate change is phenomena that is witnessed primarily because of increase of concentration of carbon dioxide and other gases in atmosphere.
  • This increase in gases gives rise to greenhouse effect and upsets the natural balance and leads to increased warmth.
  • Climate change is the measurable effects of the continual warming trend.
Image Shows Causes of Global Climate Change

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Question 935

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Define Isostasy with views of Airy՚s and Pratt՚s theory.

Explanation

Isostasy and Views of Airy՚S and Pratt՚S Theory

  • ‘Isostasy’ simply means a mechanical stability between the upstanding part and low lying basins on a rotating earth.
  • Though the concept of Isostasy came in the mind of geologist all of sudden but its concept grew out of gradual thinking in term of gravitational attraction of giant mountains masses. This…

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Question 936

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What is Isostasy? Differentiate between the Airy՚s & Pratt՚s theory on Isostasy.

Explanation

Isostasy

  • Earth՚s unique different relief features of varying magnitudes presents us with an insight that probably mountains, plains seas etc. are balanced by certain principle.
  • This Principle which is Isostasy was first proposed by Dutton in 1889 states that Earth is in dynamic gravitational equilibrium. It means that there is equilibrium of balance …

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Question 937

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Discuss the various oceanic layers and origin of Ocean basin.

Explanation

Oceanic Layers

  • The ocean which consists of many layers showcases the effect of sunlight, water pressure, temperature or depth and which in turn creates many zones.
  • The Ocean basins are characterised by four relief Zones i.e.. continent shelves (areas submerged under oceanic water with average depth of 100 fathom & gentle slope toward the sea) , Conti…

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Question 938

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Explain the formation and classification of tides? Why does moon had much important role to play than sun in understanding the tidal impact?

Explanation

Tides

  • The Rise and fall of seawater due to gravitational forces (centripetal) of the sun and moon are called tides.
  • The difference between high tide water (Rise of seawater and its movement towards the coast) and low tide water (fall of water & movement towards the sea) is called tidal range.
Gravitational Interaction between Sun & Moon

Gravitational I…

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Question 939

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Explain Swinnerton & Gardener cave formation theories. What was the key difference between two theories?

Explanation

Swinnerton & Gardener Cave Formation Theory

  • Caves are voids of large dimension below the ground surface. They are usually formed in upper zone of saturation (phreatic zone) , where mixture of water in phreatic zones & vadose zone (unsaturated zone) occur. The changing water table causes cave formation at different levels with the passage of time.
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Question 940

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Appeared in Year: 2019

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Narela

Question 941

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Indore, Navi Mumbai, Aligarh, Sasvad & Bengaluru

Question 942

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Pappinissery, Kannur

Question 943

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Avadi & Poonamallee