Water Bodies Shrinkage Environmental Impact
Question
Which of the following has/have shrunk immensely/dried up in the recent past due to human activities?
Select the correct answer using the code given below:
- 1.
Aral Sea has shrunk immensely/dried up in recent past due to human activities
- 2.
Black Sea has shrunk immensely/dried up in recent past due to human activities
- 3.
Lake Baikal has shrunk immensely/dried up in recent past due to human activities
Options
1 only
2 and 3
2 only
1 and 3
Explanation
Statement 1 is correct: The Aral Sea has dramatically shrunk due to excessive diversion of water from its tributary rivers (Amu Darya and Syr Darya) for irrigation purposes in Central Asia, particularly for cotton cultivation. This is one of the most severe environmental disasters caused by human activity. Statement 2 is incorrect: The Black Sea has not significantly shrunk or dried up. Statement 3 is incorrect: Lake Baikal is the world's deepest freshwater lake and has not shrunk immensely, though it faces some environmental pressures. Only the Aral Sea qualifies as having shrunk immensely due to human activities. > Aral Sea: The catastrophic ecological disaster - shrunk from human irrigation extraction. Answer: a
Question details
Year
2018
Paper
GS Paper 1
Question
Q13
Subject
Environment
Sub-topic
Water Resources and Environmental Degradation
Type
Statement-based
Difficulty
Medium
Nature
Static
Source hint
NCERT Geography - Environmental Issues and Water Resources
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