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Test: Water Resources - 2 - Class 10 MCQ


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20 Questions MCQ Test Social Studies (SST) Class 10 - Test: Water Resources - 2

Test: Water Resources - 2 for Class 10 2024 is part of Social Studies (SST) Class 10 preparation. The Test: Water Resources - 2 questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Water Resources - 2 MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Water Resources - 2 below.
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Test: Water Resources - 2 - Question 1

In which regions of India are underground tanks or tanks for storing drinking water commonly found in houses?

Detailed Solution for Test: Water Resources - 2 - Question 1
Underground tanks or tanks for storing drinking water are commonly found in houses in the semi-arid and arid regions of Rajasthan. These tanks play a crucial role in storing rainwater, especially in areas where water scarcity is a significant concern.
Test: Water Resources - 2 - Question 2

What is the primary reason for not collecting the first spell of rain in rooftop rainwater harvesting systems?

Detailed Solution for Test: Water Resources - 2 - Question 2
The primary reason for not collecting the first spell of rain in rooftop rainwater harvesting systems is to allow this initial rain to clean the roofs and the pipes. By letting the first rain pass through, any debris or contaminants on the roof are washed away, ensuring cleaner water is collected in subsequent showers.
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Test: Water Resources - 2 - Question 3

Why is rainwater considered the purest form of natural water in certain regions?

Detailed Solution for Test: Water Resources - 2 - Question 3
Rainwater is considered the purest form of natural water in certain regions because it is untouched by human pollution. When collected through proper methods like rooftop rainwater harvesting, rainwater is free from many of the pollutants found in other water sources, making it a clean and valuable resource for various purposes.
Test: Water Resources - 2 - Question 4

What is a key feature of the bamboo drip irrigation system mentioned?

Detailed Solution for Test: Water Resources - 2 - Question 4

The bamboo drip irrigation system described in the involves a unique process where about 18-20 litres of water entering the bamboo pipes are transported over long distances, ultimately being reduced to 20-80 drops per minute at the plant site. This significant reduction in water volume highlights the efficiency and conservation aspect of this traditional irrigation system.

Test: Water Resources - 2 - Question 5
Which state in India has made rooftop rainwater harvesting structures mandatory for all houses, as per the information provided?
Detailed Solution for Test: Water Resources - 2 - Question 5
Tamil Nadu stands out as the first and only state in India to enforce the installation of rooftop rainwater harvesting structures across all houses within its jurisdiction. This initiative aims to promote water conservation and sustainability, with legal provisions in place to penalize those who do not comply with the regulation.
Test: Water Resources - 2 - Question 6

What is the approximate annual rainwater harvesting capacity of a single house in Gendathur, as per the details presented?

Detailed Solution for Test: Water Resources - 2 - Question 6

In Gendathur, with an annual precipitation of 1,000 mm and an 80% collection efficiency, each house can collect and utilize approximately 50,000 litres of rainwater per year. This sustainable practice enables households to reduce their reliance on external water sources and promotes self-sufficiency in water supply.

Test: Water Resources - 2 - Question 7

How much rainwater is collectively harvested annually from 20 houses in the scenario described?

Detailed Solution for Test: Water Resources - 2 - Question 7

The net amount of rainwater harvested annually from 20 houses in the totals 1,00,000 litres. This cumulative water collection showcases the significant impact of rainwater harvesting at the community level, emphasizing the potential for sustainable water management practices in residential areas.

Test: Water Resources - 2 - Question 8
What is the primary objective of the Jal Jeevan Mission (JJM) initiated by the Indian government?
Detailed Solution for Test: Water Resources - 2 - Question 8
The Jal Jeevan Mission (JJM) in India aims to ensure that every rural household has access to a regular supply of potable piped water. The mission focuses on providing clean drinking water to rural communities, thereby improving their quality of life and overall well-being.
Test: Water Resources - 2 - Question 9

What is the primary reason for building dams in modern times according?

Detailed Solution for Test: Water Resources - 2 - Question 9

Dams are constructed not just for irrigation but for various purposes including electricity generation, flood control, water supply for domestic and industrial uses, recreation, inland navigation, and fish breeding. In modern times, one of the primary reasons for building dams is to generate electricity efficiently. Hydroelectric power is a significant source of renewable energy globally, and dams play a crucial role in this process.

Test: Water Resources - 2 - Question 10

How do dams impact the natural flow of rivers according?

Detailed Solution for Test: Water Resources - 2 - Question 10

Dams can disrupt the natural flow of rivers by causing poor sediment flow and leading to excessive sedimentation at the bottom of the reservoir. This excessive sedimentation can result in rockier stream beds and create poorer habitats for the aquatic life of the rivers. The alteration of sediment flow is one of the adverse effects of damming rivers, impacting the ecological balance of river ecosystems.

Test: Water Resources - 2 - Question 11
What ecological consequence arises from the change in cropping patterns due to irrigation?
Detailed Solution for Test: Water Resources - 2 - Question 11
The change in cropping patterns facilitated by irrigation can lead to salinisation of the soil. When farmers shift to water-intensive and commercial crops, the increased use of water can result in the accumulation of salts in the soil over time. This salinisation process can have detrimental effects on agricultural productivity and the overall health of the soil, impacting crop yields and sustainability.
Test: Water Resources - 2 - Question 12

How do dams influence the social landscape in regions according?

Detailed Solution for Test: Water Resources - 2 - Question 12

Dams can create conflicts between different groups in regions as they compete for various uses and benefits from the same water resources. The construction and operation of dams can lead to disputes over water allocation, distribution of benefits, and conflicting priorities among stakeholders. This competition for water resources can intensify social tensions and exacerbate existing inequalities, thereby impacting the social landscape of the affected regions.

Test: Water Resources - 2 - Question 13
What is a common method used in rooftop rainwater harvesting to filter collected water before storage?
Detailed Solution for Test: Water Resources - 2 - Question 13
In rooftop rainwater harvesting, one common method to filter collected water before storage is by using sand and bricks. This filtration process helps in removing impurities and ensuring the stored rainwater is clean and suitable for use.
Test: Water Resources - 2 - Question 14
What is the primary source of freshwater on Earth that is part of the hydrological cycle?
Detailed Solution for Test: Water Resources - 2 - Question 14
Surface runoff is a significant source of freshwater that contributes to the Earth's hydrological cycle. When precipitation occurs, water runs off the land surface into rivers, lakes, and oceans, eventually replenishing freshwater sources. This process is crucial for maintaining the balance of freshwater on Earth.
Test: Water Resources - 2 - Question 15
Which factor is a common cause of water scarcity in various regions worldwide according to the provided information?
Detailed Solution for Test: Water Resources - 2 - Question 15
Unequal access and over-exploitation of water resources among different societal groups are significant contributors to water scarcity issues globally. This disparity in water distribution can lead to shortages in regions that struggle to access an adequate water supply.
Test: Water Resources - 2 - Question 16
What natural process ensures the continuous renewal of water on Earth?
Detailed Solution for Test: Water Resources - 2 - Question 16
The hydrological cycle is a continuous natural process responsible for the renewal and redistribution of water on Earth. This cycle involves the evaporation of water from various sources, condensation to form clouds, precipitation, and the flow of water back into oceans, lakes, and rivers, ensuring a constant supply of freshwater.
Test: Water Resources - 2 - Question 17
Which region is commonly associated with water scarcity due to low rainfall and drought conditions?
Detailed Solution for Test: Water Resources - 2 - Question 17
The Sahara Desert is often linked to water scarcity issues because of its low rainfall and frequent drought conditions. These environmental factors contribute to challenges in accessing an adequate water supply, highlighting the impact of climate and geography on water availability in different regions.
Test: Water Resources - 2 - Question 18
What major issue is contributing to the over-exploitation of water resources in India?
Detailed Solution for Test: Water Resources - 2 - Question 18
Rapid industrialization and urbanization in India have significantly increased the demand for water resources, putting pressure on existing freshwater sources. This expansion of industries and urban centers has exacerbated the issue of water scarcity, leading to over-exploitation of water resources.
Test: Water Resources - 2 - Question 19
Which energy source accounts for about 22% of the total electricity produced in India and is crucial for industries?
Detailed Solution for Test: Water Resources - 2 - Question 19
Hydroelectric power is a significant energy source in India, accounting for approximately 22% of the total electricity produced in the country. This source of energy plays a crucial role in supporting industrial activities and meeting the energy demands of various industries across India.
Test: Water Resources - 2 - Question 20

Which sector in India is identified as the largest consumer of water due to its activities?

Detailed Solution for Test: Water Resources - 2 - Question 20

The agricultural sector in India is the largest consumer of water due to the extensive water requirements for irrigation, especially in the expanding irrigated areas for dry-season agriculture. This high demand for water in agriculture contributes significantly to water scarcity issues in the country.

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