Question

2.A wildlife institute of India survey reveals that 70-80% of individual freshwater marshes and lakes in the Gangetic plains have been lost in the last five decades at present only 50% of India's wetland remains. Which of thefollowing is not a cause for the disappearance of the wetland?
a)Increasing urbanization and industrialization
b)Increased tree-cutting and deforestation
c)Increase in migratory bird population
d)Recovery of marsh land for agriculture.

Answer 1

Answer:

b) increased tree-cutting and deforestation

Answer 2

c)Increase in migratory bird population

Explanation:

Option : c)Increase in migratory bird population

• Wetland is called as the lungs of environment. It is not only a water source to people lives around it but also the balance keeper of environment through aquatic ecosystem and being the shelter of number of watery plants and animals. These wetlands are getting disappeared very quickly because of increasing urbanization and industrialization, increased tree cutting, deforestation and turning of wetland into arable or cultivable land.