Static Quiz 05 August 2025 (Geography)
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Static Quiz 05 August 2025 (Geography) For UPSC Exam
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1. Question
What is a Glacial Lake Outburst Flood (GLOF)?
CorrectCorrect Answer: (b)
Explanation:
GLOFs occur when the natural dam (often made of ice or moraines) containing a glacial lake fails, suddenly releasing massive water downstream.IncorrectCorrect Answer: (b)
Explanation:
GLOFs occur when the natural dam (often made of ice or moraines) containing a glacial lake fails, suddenly releasing massive water downstream. - Question 2 of 5
2. Question
Which of the following is not a direct trigger for GLOFs?
CorrectCorrect Answer: (d)
Explanation:
Deforestation may exacerbate impacts but does not directly trigger the glacial lake breach. Other options can directly disturb the lake or dam.IncorrectCorrect Answer: (d)
Explanation:
Deforestation may exacerbate impacts but does not directly trigger the glacial lake breach. Other options can directly disturb the lake or dam. - Question 3 of 5
3. Question
Consider the following statements:
1. Moraine-dammed lakes are the most common sources of GLOFs.
2. Climate change contributes to the increased frequency of GLOFs.
3. GLOFs are exclusive to the Himalayan region.
Which of the above statements are correct?CorrectCorrect Answer: (a)
Explanation:
• Statement 1 is correct: Most GLOFs are from moraine-dammed lakes.
• Statement 2 is correct: Glacier retreat due to climate warming expands lake size, raising GLOF risk.
• Statement 3 is incorrect: GLOFs occur globally (e.g., Andes, Alps), not just in the Himalayas.IncorrectCorrect Answer: (a)
Explanation:
• Statement 1 is correct: Most GLOFs are from moraine-dammed lakes.
• Statement 2 is correct: Glacier retreat due to climate warming expands lake size, raising GLOF risk.
• Statement 3 is incorrect: GLOFs occur globally (e.g., Andes, Alps), not just in the Himalayas. - Question 4 of 5
4. Question
Which of the following recent GLOF events in India occurred due to a glacier collapse in a river valley?
CorrectCorrect Answer: (b)
Explanation:
The 2021 Chamoli disaster in Uttarakhand was caused by a glacier break that triggered a massive flood in the Rishiganga–Dhauliganga valley.IncorrectCorrect Answer: (b)
Explanation:
The 2021 Chamoli disaster in Uttarakhand was caused by a glacier break that triggered a massive flood in the Rishiganga–Dhauliganga valley. - Question 5 of 5
5. Question
The Sikkim GLOF (2023) was mainly attributed to:
CorrectCorrect Answer: (b)
Explanation:
In October 2023, the South Lhonak Lake burst, causing catastrophic floods in the Teesta basin, destroying Chungthang Dam.IncorrectCorrect Answer: (b)
Explanation:
In October 2023, the South Lhonak Lake burst, causing catastrophic floods in the Teesta basin, destroying Chungthang Dam.
