Q. 1 C4.2( 20 Votes )
Here are some false statements. Identify the mistakes and rewrite them correctly.
(a) Multiplying urban centres with large and dense populations and urban lifestyles have helped in proper utilisation of water resources.
(b) Regulating and damming of rivers does not affect the river’s natural flow and its sediment flow.
(c) In Gujarat, the Sabarmati basin farmers were not agitated when higher priority was given to water supply in urban areas, particularly during droughts.
(d) Today in Rajasthan, the practice of rooftop rainwater harvesting has gained popularity despite high water availability due to the Rajasthan Canal.
(a) Multiplying urban centres with large and dense populations and urban lifestyles have caused the over exploitation of water resources. These urban centres require land and so, a lot of forest cover is destroyed. Thus, the ecological balance is disturbed. Due to this, the rainfall decreases and so does the groundwater. So, this has caused over exploitation of water resources.
(b) Regulating and damming of rivers affect the river's natural flow and its sediment flow. In the natural flow of a river, there are sediments deposited on the banks which increase the fertility of the soil. Most of the civilisations have been situated on river banks. Thus, if the water is in a standstill state, the sediment flow is disturbed.
(c) In Gujarat, the Sabarmati basin farmers were agitated when higher priority was given to water supply in urban areas, particularly during droughts. When there is draught, then there is not only less water for domestic use, but also for agricultural use. So, the farmers were agitated when the priority was gives to urban areas as the farmers depend completely on the agricultural produces.
(d) Today in Rajasthan, the practice of rooftop rainwater harvesting is on the decline due to the Rajasthan canal. The Rajasthan Canal, also known as Indira Gandhi Canal, was created to make irrigation water available to the semi-arid regions of the state. Now, as water is easily available, the residents are less dependent on rainwater harvesting.
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