(a) State the advantages of constructing dams across the rivers. (b) Describe some of the problems associated with the construction of dams.
BiologyClass 10ICSEAnswered 27 Mar 2026
Answer
- Following are the advantages of constructing dams across the rivers:
- Water can be stored for future use
- Water from the dams can be used for the irrigation of crops via a network of canals
- Water falling from the dams is used to generate electricity in hydropower plants
- People living in cities, towns and villages will get an adequate amount of water for their use
- Following problems are associated with building dams:
- It makes many people homeless, by submerging large areas of human- settlements, thereby causing a social issue.
- Causes deforestation and many life forms die due to this ecological imbalance
- A large number of farmers lose their farms and irrigation becomes difficult for them
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