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UPSC Previous Year Questions (Prelims): Deserts | Geography for UPSC CSE PDF Download

Q.1. Consider the following statements:   (2009) 

  1. In the world, tropical deserts occur along the western margins of continents within the trade wind belt. 
  2. In India, the East Himalayan region gets high rainfall from northeast winds. Which of the statements given above is/are correct? 

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

Correct Answer is Option (a)
In India, the south-west monsoon causes high rainfall in east Himalayan region.

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FAQs on UPSC Previous Year Questions (Prelims): Deserts - Geography for UPSC CSE

1. What are the major deserts in the world?
Ans. The major deserts in the world include the Sahara Desert in Africa, the Arabian Desert in the Middle East, the Gobi Desert in Asia, the Kalahari Desert in Southern Africa, and the Atacama Desert in South America.
2. How are deserts formed?
Ans. Deserts are formed due to various factors such as low rainfall, high evaporation rates, and extreme temperatures. They are typically found in regions where there is a rain shadow effect caused by mountain ranges or in areas located near the poles.
3. What are the characteristics of desert ecosystems?
Ans. Desert ecosystems are characterized by sparse vegetation, low biodiversity, extreme temperature fluctuations, and adaptations of plants and animals to survive in arid conditions. They often have unique species that are specially adapted to conserve water and tolerate high temperatures.
4. How do deserts impact the climate of surrounding regions?
Ans. Deserts can influence the climate of surrounding regions by creating large temperature variations, reducing humidity levels, and affecting wind patterns. They can also influence the formation of weather systems, such as the development of desert winds or sandstorms.
5. What are the challenges faced by human populations living in deserts?
Ans. Human populations living in deserts face challenges such as water scarcity, limited agricultural productivity, extreme temperatures, and limited access to basic amenities. They often rely on specialized techniques such as irrigation, nomadic herding, and the use of desert-adapted crops to sustain their livelihoods.
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