Very Short Answer Class 10 – Social Science -Geography-Chapter 3 Social Geography Water Resources

Class 10- Very Short Answer-3- Social Geography Water Resources

Q1. What is the traditional system of rainwater harvesting?

Ans : The traditional system of rainwater harvesting is to build underground tanks or tankas for storing drinking water. This system is mainly practised in the arid and semi-arid regions of Rajasthan.

Q2. What was the main purpose of launching multipurpose projects in India after independence?

Ans :The main purpose of launching multi-purpose projects after independence was that they would integrate development of agriculture with rapid industrialization.

Q3. Name two techniques of rooftop rainwater harvesting.

Ans : a. Construction of tanks so as to store the rainwater

b. Collection of excess rainwater in the dugwell

Q4. What is the need of rainwater harvesting ?

Ans : Rainwater harvesting is needed to provide it for agriculture, collect drinking water, irrigate the fields and to moisten the soil.

Q5. What is a multipurpose river valley project? Mention any four objectives of it.

Ans : A project where many uses of the impounded water are integrated with one another is known as multipurpose project. It is built for irrigation, power generation, water supply, flood control, recreation, etc.

Q6. Water scarcity in most cases is caused by over exploitation, excessive use and unequal access to water among, different social groups. Explain the meaning of the statement with the help of examples

Ans : We can understand the meaning of the above statement through these examples:

a. After a heavy downpour, a boy collects drinking water in Kolkata.

b.  A Kashmiri earthquake survivor carries water in the snow in a devastated ‘ village.

c. A Rajasthani woman balances her matka and travels large distances to collect water.

Q7. How were the underground tanks beneficial to the people of Rajasthan? Explain.

a.In semi-arid and arid regions of Rajasthan almost all the houses traditionally had underground tanks for storing drinking water.

b. They are extremely reliable source of drinking water when other sources are dried up. This is considered the purest form of natural water.

c. The tanks can be as large as big rooms.

Q8. Why did Jawaharlal Nehru proclaim dams as the ‘temples of modern India’? Explain any three reasons.

Ans : Jawaharlal Nehru proclaimed the dams as the “temples of modern India” because

a. They eliminate or reduce flooding.

b. Provide water for agriculture.

c. Provide water for human and industrial consumption.

d. Provide hydroelectricity for houses and industries.

Q9. Why is groundwater a highly overused resource?

 Ans : Groundwater is a highly overused resource because of the following reasons:

a. Due to large and growing population and consequent greater demands for water and unequal access to it.

b. To facilitate higher food grain production for large population, water resources are being over exploited to expand irrigated areas and dry season agriculture.

c. In the housing societies or colonies in the cities, there is an arrangement of own ground water pumping devices to meet water needs.