Presented here is a comprehensive set of important inquiries tailored for the water resources chapter. These meticulously curated questions are intended to aid students in their meticulous readiness for the CBSE Class 10 Social Science Examination in the academic period of 2023-24. This compilation spans a variety of question formats, aimed at not only elucidating key concepts but also nurturing efficient exam tactics and enhancing analytical skills.
Chapter 3 of Class 10 Geography delves into the vital topic of water resources. The chapter commences by addressing the global availability of freshwater and the emergence of water scarcity. It subsequently delves into a comprehensive exploration of the advantages and disadvantages associated with the construction of dams across rivers. Concluding on a positive note, the chapter underscores the significance of Rain Water Harvesting as an effective strategy for water conservation.
Water stands as one of the most crucial and indispensable natural resources on our planet. Its significance stems from its profound utility in sustaining not only human life but also the lives of animals and vegetation, thus evolving into a fundamental necessity for all living entities inhabiting Earth.
The factor responsible is Over-utilization
Human activities such as over usage and water pollution cause water scarcity.
Mawsynram receives the highest rainfall in India. It is reportedly the wettest place on Earth, with an average annual rainfall of 11,872 millimetres (467.4 in)
By building diversion channels like the ‘guts’ or ‘kuls’.
Tamil Nadu has been able to deal with the problem of acute shortage of water by adopting rooftop water harvesting techniques. This practice was made mandatory under the law for all houses across the state.
The new social movements are the result of multipurpose projects and large dams as follows:
1. Narmada Bachao Andolan and Tehri Dam Andolan are the results of these multipurpose projects.
2. Resistance to these projects has primarily been due to the large-scale displacement of local communities. Local people often had to give up their land, livelihood and their meagre access and control over resources for the greater good of the nation.
3. Irrigation has changed the cropping pattern of many regions with farmers shifting to intensive and commercial crops. This has great ecological consequences like salinization of the soil.
4. It has transformed the social landscape i.e., increasing the social gap between the rich landowners and the landless poor.
5. The dams also created the conflict between people wanting different uses and benefits from the same water resources. In Gujarat, the Sabarmati basin farmers were agitated and rioted over the higher priority given to water supply in urban areas, particularly during the droughts. Interstate water disputes have become popular related to sharing of the costs and benefits of the multi-purpose project.
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Ans: A study suggested that the water originated from rocks with which the Earth formed.
Ans: The various types of condensation are: Fog, Mist, Frost, Dew.
Ans: Rainwater harvesting
Sewage water treatment
Ans: This scarcity might arise from water of poor quality. Recently, a rising apprehension is that even in areas with sufficient water to fulfil human requirements, a significant portion of it could be contaminated by household and industrial pollutants, agricultural chemicals, pesticides, and fertilisers. This contamination renders the water unsafe for human consumption.
Ans: Large industrial houses and multinational corporations use substantial water quantities, often coupled with significant energy needs, often sourced from hydroelectric power. Urban centres with expanding populations further amplify the demand for water and energy. Housing communities resort to underground pumping mechanisms to fulfil water requirements. Moreover, a burgeoning population requires increased food production, leading to the overexploitation of water resources for irrigation expansion.