Question

Multi-purpose projects and large dams have come under great scrutiny.Identify the problems caused by the setting up of these projects and dams.

Answer 1

setting up these can cause harmful effects in enivronment like-
1. lack of trees have been cut down
2.the forest area has been totally destroyed
3.villages has been destroyed
4.animals has been killed

Answer 2

Multi-purpose projects and dams benefits society by providing employment to the local population, as well as in electricity generation, water distribution, agriculture etc. But they have their problems too.  

Natural flora and fauna are destroyed, to make way for setting up such projects. Dams and reservoirs submerge huge tracts of land under water. It displaces people too, depriving them of immediate livelihood. Unless such projects are well thought out and executed, it can lead to serious calamities such as flooding etc.