Geography [IAS (Admin.) IAS Mains GS Paper 1 (Geography, Art & Culture, and History)]: Questions 15 - 21 of 38

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Question 15

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Appeared in Year: 2017

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Essay▾

How does the Juno Mission of NASA help to understand the origin and evolution of the Earth? (150 words) (Comparing good and average answer)

Explanation

Good answer

Juno mission of NASA is a space probe that is orbiting Jupiter and is a part of the New Frontiers program of NASA. The purpose of the mission is to determine the following of the planet Jupiter:

  • Composition
  • Gravity field
  • Magnetic field
  • Auroras
  • Water/Ammonia in atmosphere.

The findings of the Juno mission will help us understand the origin and …

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Question 16

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Appeared in Year: 2017

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How does the cryosphere affect global climate? (150 words)

Explanation

Cryosphere is the frozen water part of the Earth. (Eg: Ice, Snow, Glaciers, Ice Sheets, Icebergs, Sea Ice, etc.) Cryosphere expands during the winters and reduces in size during summers.

Global Cryosphere by Type

It plays an important role in affecting the global climate in the following ways:

  • Albedo is the amount of sunlight reflected back to the atm…

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Question 17

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Appeared in Year: 2017

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Mention the advantages of the cultivation of pulses because of which the year 2016 was declared as the International Year of Pulses by United Nations. (150 words)

Explanation

Though we have achieved food security in our country, there are wide gaps in providing nutritional security in India and also all over the world. To overcome this issue, pulses can prove to be a better option in providing nutrition along with sustainability.

The advantages of pulses are:

The Advantages of Pulses
  • High Nutrition Value: Pulses are a rich…

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Question 18

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Appeared in Year: 2017

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Account for variations in oceanic salinity and discuss its multi-dimensional effects. (250 words)

Explanation

Oceanic salinity is the amount of salt present in the seas, oceans and other related bodies such as bays, gulfs, straits, etc. The salinity varies for the following reasons:

  • Temperature/Evaporation: High temperature leads to high evaporation which leaves much more salt in the water, increasing the salinity. The opposite happens in cold areas.
  • Inflow …

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Question 19

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Appeared in Year: 2017

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“Inspite of adverse environmental impact, coal mining is still inevitable for development” . Discuss (150 words)

Explanation

The world is going through a growth-ecological balance, dilemma. To choose one, we will have to forego the other. This logic applies mostly to the developing nations.

Even developed nations like Germany and Poland depend a lot on coal. Though more polluting, coal is still required for the following reasons:

  • Cost of renewable energy: The initial cost …

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Question 20

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Appeared in Year: 2017

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Petroleum refineries are not necessarily located nearer to crude oil producing areas, particularly in many of the developing countries. Explain its implications. (250 words)

Explanation

Petroleum refineries are not necessarily located nearer to crude oil producing areas. The reasons can be many but the implications of their location are discussed below:

  • Economic implications: Let՚s take the case of India where most of the refineries are in the coastal regions.
    • The cost of production increases as oil has to be transported for long di…

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Question 21

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Appeared in Year: 2017

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What characteristics can be assigned to monsoon climate that succeeds in feeding more than 50 percent of the world population residing in Monsoon Asia? (250 words)

Explanation

The word “Monsoon” often evokes the feeling of rain. Precipitation is one of the defining characteristics of the monsoon climate. Many such characteristics unique to the monsoon climate are discussed below:

  • Seasonal change in winds: Monsoon climates basic feature is the reversal of winds. In India, the winds are from the south west during the summer…

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