Teaching TN TRB Civil Mock Test General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
With reference to the coastal marshes and wetlands, which of the following are potential benefits of coastal marshes and wetlands?
1. They act as migration areas for birds and animals.
2. They purify and recharge groundwater.
3. They prevent contamination of wells in the coastal areas.
4. They protect the coastlines from storms and cyclones.
Select the correct answer using the code given below.
1
1, 2 and 4 only
2
2, 3 and 4 only
3
1 and 3 only
4
1, 2, 3 and 4