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The Tarbela Dam is built on which river?
A. Jhelum
B. Indus
C. Chenab
D. Kabul
Correct Answer Is Option = Indus
Notes / Explanation
The Tarbela Dam is built on the river Indus, which is the largest and most important river of the country, and it is one of the largest dams in the country and indeed one of the largest of its kind in the world. A dam is a great barrier built across a river to hold back the water and to create a large reservoir, or artificial lake, behind it, and such dams serve a number of very important purposes. The Tarbela Dam, built across the Indus, serves several vital functions for the country. One of its most important purposes is the storage of water, for the great reservoir behind the dam stores a large quantity of water during the times when the river is full, and this stored water can then be released as needed, particularly during the drier times of the year, to provide a steady supply of water for the irrigation of the vast agricultural lands of the country, on which its agriculture and its food supply depend. The dam also plays a very important role in the generation of electricity, for the force of the water released through the dam is used to drive machinery that produces a large amount of hydroelectric power, which is added to the national supply of electricity and helps to meet the country's great need for power. In addition, the dam helps in the control of floods, by holding back the excess water during times of high flow and preventing it from causing damage downstream. The Tarbela Dam is therefore of enormous importance to the country, contributing to its agriculture through the supply of water for irrigation, to its supply of electricity through the generation of hydroelectric power, and to the protection against floods. The river Indus, on which the dam is built, is the lifeline of the country, and the great system of dams, barrages and canals built along it and its tributaries makes possible the irrigation of the farmland and the supply of water and power. The study of the important dams and rivers of the country is a part of the geography of the country. For PPSC and other competitive examinations, the key points to remember are that the Tarbela Dam is built on the river Indus, that it is one of the largest dams in the country and in the world, that it serves the vital purposes of storing water for irrigation, generating hydroelectric power, and helping to control floods, and that the river Indus is the largest and most important river of the country.