CBSE Questions for Class 10 Geography Water Resources Quiz 1 - MCQExams.com

In the given map the line represents ‘water divide’ between east flowing rivers like Mahanadi, Godavari, Krishna, Cauvery etc. and west flowing rivers like Narmada and Tapti.

 Population growth is a major cause for water scarcity. Demand for water is increasing due to population growth or other major demographic and social changes.

Khadins are used in Rajasthan to store harvest surface runoff water for agriculture. Khadins are also known as dhoras and its main feature is a very long earthen embankment built across the lower hill slopes lying below gravelly uplands.

1. The Sardar Sarovar Dam is a gravity dam on the Narmada river near Navagam, Gujarat in India.
   
2. Four Indian states, Gujarat, Madhya Pradesh, Maharashtra and Rajasthan, receive water and electricity supplied from the dam. 
3. The foundation stone of the project was laid out by Prime Minister Jawaharlal Nehru on 5 April 1961. The project took form in 1979 as part of a development scheme funded by the World Bank through their International Bank for Reconstruction and Development, to increase irrigation and produce hydroelectricity, using a loan of US$200 million.
4. The water level in the Sardar Sarovar Dam at Kevadiya in Narmada district reached its highest capacity at 138.68 metres on 15 September 2019.

Rainwater harvesting was made compulsory for every building to avoid ground water depletion in Tamil Nadu. In Rajasthan, rainwater harvesting has traditionally been practiced by the people of the Thar Desert.

Freshwater sources include:

• Groundwater - Water found in shallow aquifers beneath the earth's surface. This water is generally found at depths up to 2,000 feet deep.
  
• Precipitation: It is nothing but the rain water which is an important source of fresh water. In fact it is the purest natural source of freshwater.
  
• Surface water - Water found in streams, rivers, lakes, and reservoirs.