UPSC Prelims 2011 · Question 1 of 100

UPSC Prelims 2011 question on Mangroves Coastal Protection

The 2004 Tsunami made people realize that mangroves can serve as a reliable safety hedge against coastal calamities. How do mangroves function as a safety hedge?

  1. The mangrove swamps separate the human settlements from the sea by a wide zone in which people neither live nor venture out
  2. The mangroves provide both food and medicines which people are in need of after any natural disaster
  3. The mangrove trees are tall with dense canopies and serve as an excellent shelter during a cyclone or tsunami
  4. The mangrove trees do not get uprooted by storms and tides because of their extensive roots
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Answer: D. The mangrove trees do not get uprooted by storms and tides because of their extensive roots

Mangroves act as bio-shields because their dense root systems stabilize coastlines and reduce wave energy during cyclones and tsunamis.

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