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FAQs on Notes of Ch 3 Water Resources - Class 10

1. What are the main sources of water resources?
Ans. The main sources of water resources are precipitation (rain, snow, etc.), surface water (rivers, lakes, and reservoirs), and groundwater (water stored underground in aquifers).
2. How can water resources be managed effectively?
Ans. Water resources can be managed effectively through various measures such as rainwater harvesting, water conservation practices, efficient irrigation techniques, water recycling and reuse, and implementing proper water management policies and regulations.
3. What are the major challenges to water resources?
Ans. The major challenges to water resources include overexploitation and depletion of groundwater, pollution of water bodies, inadequate infrastructure for water supply and sanitation, climate change impacts, and conflicts over water allocation between different users.
4. How does climate change affect water resources?
Ans. Climate change affects water resources by altering precipitation patterns, increasing the frequency and intensity of extreme weather events like droughts and floods, and causing changes in temperature regimes. These changes can lead to water scarcity, reduced water quality, and disruptions in water availability for various sectors.
5. What are the consequences of mismanagement of water resources?
Ans. Mismanagement of water resources can lead to several consequences such as water scarcity, water pollution, depletion of groundwater, loss of ecosystems and biodiversity, conflicts over water allocation, and negative impacts on human health and socio-economic development. It is essential to manage water resources sustainably to avoid these consequences.
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