Water Resources Class 10 Notes Geography Chapter 3 - PDF Download
The 3rd chapter of class 10 geography is water resources. In the class 10 geography chapter 3 notes, the topics that are going to be discussed are the sources of water and the scarcity of water and the problem related to it. The water resources notes also cover the topic of dams construction over rivers. In the water resources class 10 notes, the topic of water-conserving is also going to be discussed. The water resources notes cover all the necessary topics that are extremely important for the board examination. It can save you time and will positively affect your result.
The following table shows the important highlights associated with CBSE Class 10 Geography Chapter 3 - Water Resources:
Water Resources Class 10 Notes CBSE Geography Chapter 3 [Free PDF Download]
FAQs on Water Resources Class 10 Notes CBSE Geography Chapter 3 [Free PDF Download]
1. Explain how water becomes a renewable resource?
Water is considered to be a renewable source. Rainfall is the main reason that the surface water and the groundwater get recharged within a short period due to three processes in the hydrological cycle. These processes are – Evaporation, Condensation and Precipitation. Overexploitation of water sources leads to water scarcity. Water scarcity is nothing but the shortage of water, and it may happen due to several reasons like water use in dry season agriculture, water pollution that turns water sources useless etcetera.
2. What are the advantages and disadvantages of multi-purpose river projects?
The advantages of multi-purpose river projects include Irrigation, Flood prevention, Hydrolytic electricity generation, Inland navigation, and Water supply for domestic and industrial purposes. The disadvantages of multi-purpose river projects are Aquatic flora and fauna get affected, The water flow gets affected, Land submerged in the surrounding areas, Land rehabilitation problem on a large scale and many ecological consequences.
3. What do you mean by water scarcity according to Chapter 3 Water Resources of Class 10 Geography? What are its causes?
Water scarcity is the limited availability of water in a region over a specific period. This is mainly due to over-exploitation of the use of water. This over-exploitation has led to unequal access and excessive use of water for different social groups. A growing population like in India has increasing demands for the use of water and it is not available to fulfil everyone’s needs. It's multiple uses have led to this scarcity.
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4. What are the uses of water resources according to Chapter 3 Water Resources of Class 10 Geography?
Water resources are used for domestic purposes like bathing, cleaning, watering plants, etc. They are also used for other purposes like in irrigation for growing crops and other farming techniques and in industrial houses of multinational corporations. Water is also used to produce Hydroelectricity. The sources of water are limited, but the use of water is unlimited. The use of water has increased manifolds since industrialization and urbanization. The use of water for commercial purposes has also polluted it.
5. What is a dam according to Chapter 3 Water Resources of Class 10 Geography?
A dam is a structure that was earlier used to impound or store rainwater or river water for use in irrigation. But now, dams are used to produce Hydroelectricity, to store water for domestic and commercial purposes, for inland navigation, flood control, fish breeding, and recreational functions. Dams are now referred to as multipurpose projects owing to their multiple uses. Some famous dams in India are Bhakra Nangal Dam, the Hirakud Dam, and the Beas-Sutlej dam.
6. Why are multipurpose projects and large dams facing resistance according to Chapter 3 Water Resources of Class 10 Geography?
In recent times, the development of multipurpose projects and large dams are facing a lot of public scrutiny and resistance. That is because these big projects cause rehabilitation and resettlement on a very large scale. The people who are resettled are not properly compensated. The displacement of people and the natural fauna and flora is a big cost that is paid for these projects. Movements like Narmada Bachao Andolan and the Tehri Dam Andolan are some examples of resistance.
7. Which is the first state in India to make rainwater harvesting compulsory according to Chapter 3 Water Resources of Class 10 Geography?
The first state in the country to make harvesting of rainwater mandatory for all the houses across the state is Tamil Nadu. All the houses are supposed to have rooftop structures for rainwater harvesting. Legal provisions have been introduced for those who do not abide by this law. If you are seeking notes of this chapter for your preparation, you should get Vedantu’s CBSE Class 10 Social Science Geography Chapter 3 Notes. These are comprehensive and simple to use.