Construction of dams and reservoirs in Bihar is aimed at:

Flood control
Irrigation
Hydropower generation
All of the above

The correct answer is: d) All of the above.

Dams and reservoirs are constructed for a variety of purposes, including flood control, irrigation, hydropower generation, and water supply. In Bihar, dams and reservoirs are used for all of these purposes.

  • Flood control: Dams and reservoirs can be used to control floods by storing water during periods of high rainfall and releasing it slowly during periods of low rainfall. This helps to prevent flooding downstream.
  • Irrigation: Dams and reservoirs can be used to irrigate crops by storing water and then releasing it through canals or pipes to fields. This helps to ensure that crops have enough water to grow during dry periods.
  • Hydropower generation: Dams can be used to generate electricity by using the force of falling water to turn turbines. This is a clean and renewable source of energy.
  • Water supply: Dams and reservoirs can be used to provide water for drinking, bathing, and other purposes. This is especially important in areas where there is a shortage of water.

In addition to these main purposes, dams and reservoirs can also be used for a variety of other purposes, such as recreation, fish farming, and tourism.