UPSC Prelims Environment & Ecology
Mangrove Ecosystem
Low Priority
Consistency: 7%
Weightage: 1 / 15 Yrs
High-Yield Trend
1
2011 Questions 1 MCQs
01
PYQ 2011
prelims
medium
environment ID: upsc-201
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 art excellent shelter during a cyclone or tsunami
4
The mangrove trees do not get uprooted by storms and tides because of their extensive roots