Question

State two advantages of constructing large dams on rivers for the generation of electricity. Also mention two problems associated with these dams.

Answer 1

Advantages of constructing large dams -

• The water stored in dams is used for irrigation throughout the year, irrespective of the season. For example, the Indira Gandhi Canal originates in Bhakra dam and provides water to several areas in Rajasthan.
• Dams are also equipped with turbines and generators to produce hydroelectricity.

Disadvantages of constructing large dams -

• The destruction of huge areas of forests.
• The destruction of forests leads to the loss of floral and fauna species that are indigenous to the particular area.