water

Question 1

pros of dams

Answer 1

1. flood control
2. irrigation
3. hydroelectricity
4. recreation
5. inland navigation
6. fish breeding

Question 2

cons of dams:

Answer 2

1. poor sediment flow & excessive sedimentation at the bottom of reservoir
2. rockier stream beds and poorer habitats for river life
3. difficulty in migration of aquatic fauna
4. displacement of local communities
5. water-borne diseases
6. floods
7. social gap increased

Question 3

diversion channels guls & kuls

Answer 3

western himalayas

Question 4

inundation channels

Answer 4

bengal

Question 5

khadins/johads

Answer 5

agri fields converted into rain fed storage structures