Question

Which of the following statements are true about dams?

• A. Reduction of contamination by livestock and other animals
• B. Storage of seasonal water resources
• C. Blocks the flow of river water
• D. Flood control

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A

Reduction of contamination by livestock and other animals

B

Storage of seasonal water resources

C

Blocks the flow of river water

D

Flood control

A dam is constructed mainly for power generation, irrigation, water supply and flood prevention. It also

• Blocks the flow of water, creating a reservoir.
• Protection against evaporation.
• Reduced contamination by livestock and other animals.
• Filtration of water flowing through the riverbed sand.
• Water storage unsuitable for breeding of mosquitoes