Class 10 Social Science - CBSE
Geography: Water Resources
Water is a vital resource, yet freshwater is becoming scarce due to overuse, population growth, and pollution. This Class 10 CBSE Geography chapter explores the global distribution of water, major causes of water scarcity, and the urgent need for conservation. You will study traditional and modern methods of water management, including multipurpose river projects like dams—often called the temples of modern India—and their socio-environmental impacts. Additionally, the chapter highlights rainwater harvesting as a sustainable solution. Understanding these themes is crucial for board exams, as questions frequently test your analytical skills regarding resource management and sustainable development.
Start Learning FreeKey Concepts
Water Scarcity
A shortage of water relative to demand, caused by over-exploitation, excessive use, and unequal access among different social groups.
Multipurpose River Projects
Large dams built across rivers for irrigation, electricity generation, flood control, and fish breeding, which also cause displacement and ecological disruption.
Rainwater Harvesting
A sustainable technique of collecting and storing rainwater from rooftops or surface run-off for future use, widely practiced in both rural and urban areas.
Hydrological Cycle
The continuous movement of water on, above, and below the surface of the Earth, ensuring water is a renewable resource.
Tankas
Underground tanks traditionally built in the arid region of Bikaner, Phalodi, and Barmer in Rajasthan to store drinking water.
Important Formulas
Board Exam Info
In the CBSE Class 10 Social Science board exams, Water Resources typically carries around 3 to 5 marks. Questions usually include map-pointing items (identifying major dams like Bhakra Nangal, Hirakud, or Sardar Sarovar), 1-mark objective questions, and 3-to-5-mark short or long-answer questions focusing on reasons for water scarcity, the pros and cons of dams, and rainwater harvesting methods.
Frequently Asked Questions
Why are multipurpose dams called the 'temples of modern India'?
Jawaharlal Nehru proclaimed dams as the temples of modern India because they integrate development in agriculture and industry by providing irrigation, electricity, and flood control.
What are the main causes of water scarcity in India?
The main causes are growing population, rising demand for irrigation, industrialization, urbanization, and bad water management leading to pollution and over-extraction of groundwater.
What is Palar Pani and why is it important?
In arid regions of Rajasthan, rainwater stored in underground tanks (tankas) is locally known as Palar Pani. It is considered the purest form of natural drinking water and acts as a lifeline during summer.
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