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Test: River Management - Year 11 MCQ


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15 Questions MCQ Test - Test: River Management

Test: River Management for Year 11 2024 is part of Year 11 preparation. The Test: River Management questions and answers have been prepared according to the Year 11 exam syllabus.The Test: River Management MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: River Management below.
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Test: River Management - Question 1
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What does a flood hydrograph primarily illustrate?

Detailed Solution for Test: River Management - Question 1
A flood hydrograph primarily illustrates variations in river discharge following a storm. It helps in visualizing how the river's discharge changes over time in response to rainfall events. This graphical representation is crucial for understanding and predicting flood behavior, including the timing and magnitude of peak discharges.
Test: River Management - Question 2
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What is the main difference between hard engineering and soft engineering flood management strategies?

Detailed Solution for Test: River Management - Question 2
Hard engineering strategies involve physically altering the river course or constructing infrastructure like dams or levees to manage flooding. In contrast, soft engineering strategies work with natural processes and the environment to mitigate the impacts of flooding. Soft engineering methods are often more sustainable and environmentally friendly compared to hard engineering approaches.
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Test: River Management - Question 3
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How does retaining stubble on fields post-harvest help decrease the risk of flooding?

Detailed Solution for Test: River Management - Question 3
Retaining stubble on fields post-harvest aids in soil stabilization and enhances water infiltration. This practice helps to reduce soil erosion, improve soil structure, and increase the land's ability to absorb water. By enhancing water infiltration, the risk of surface runoff and flooding is minimized.
Test: River Management - Question 4
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What is the purpose of dredging rivers in flood management efforts?
Detailed Solution for Test: River Management - Question 4
Dredging rivers is a method used to boost the river's capacity, allowing it to hold more water and reducing the likelihood of flooding during periods of heavy rainfall or snowmelt. While dredging can be effective in increasing a river's flow capacity, it often requires additional measures such as reinforcing riverbanks to prevent erosion and maintain stability.Response:
Test: River Management - Question 5
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Which method aids in soil stabilization and enhances water infiltration post-harvest?
Detailed Solution for Test: River Management - Question 5
Retaining stubble on fields post-harvest aids in soil stabilization and enhances water infiltration. This practice helps to prevent soil erosion, improve water retention, and promote overall soil health. By leaving stubble on fields after harvesting crops, farmers can reduce the risk of runoff and increase the soil's ability to absorb and retain water, thus contributing to better water infiltration and land conservation practices.
Test: River Management - Question 6
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Which river merges with the Ganges in Bangladesh to form the River Padma?
Detailed Solution for Test: River Management - Question 6
The Brahmaputra River merges with the Ganges in Bangladesh to form the River Padma. This confluence of rivers plays a significant role in shaping the hydrology and geography of the region, affecting water resources, ecosystems, and livelihoods of people living along these river systems.
Test: River Management - Question 7
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Where do both the Ganges and Brahmaputra rivers originate?
Detailed Solution for Test: River Management - Question 7
Both the Ganges and Brahmaputra rivers originate in the majestic Himalayan Mountains. These mountains act as the source of numerous major rivers in South Asia, providing vital freshwater resources to millions of people living in the region and supporting diverse ecosystems along their courses.
Test: River Management - Question 8
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Which cities rely on the Ganges/Brahmaputra rivers for their water sources?
Detailed Solution for Test: River Management - Question 8
Several cities, including New Delhi and Kolkata, rely on the Ganges/Brahmaputra rivers for their water sources. The rivers play a crucial role in providing water for domestic, agricultural, and industrial purposes in these urban centers, highlighting the importance of sustainable water management practices to ensure continued access to clean and sufficient water supplies for urban populations.
Test: River Management - Question 9
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The construction of dams, such as the Tehri Dam on the Ganges, primarily serves which purpose in India?
Detailed Solution for Test: River Management - Question 9
Dams like the Tehri Dam on the Ganges play a crucial role in India by generating significant hydroelectric power. This power source contributes to the country's energy needs and helps in meeting the demands of its growing population. Hydroelectric power is a sustainable and renewable energy source that harnesses the power of flowing water to generate electricity, reducing the reliance on fossil fuels and contributing to a greener energy mix.
Test: River Management - Question 10
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How do routine floods in the Ganges/Brahmaputra drainage basin impact the region?
Detailed Solution for Test: River Management - Question 10
Routine floods in the Ganges/Brahmaputra drainage basin are essential for enhancing soil fertility and supporting irrigation practices in the region. These floods deposit nutrient-rich sediments on the floodplains, replenishing the soil and making it suitable for agriculture. The water from these floods also helps in irrigating crops, ensuring agricultural productivity in the area.
Test: River Management - Question 11
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What is a significant cultural aspect associated with the Ganges River for Hindus?
Detailed Solution for Test: River Management - Question 11
The Ganges River holds deep religious significance for Hindus, who revere it as the goddess Ganga. In Hindu mythology and religious practices, the Ganges is considered a sacred river that purifies the soul and is worshipped as a deity. Many Hindus undertake pilgrimages to bathe in the holy waters of the Ganges, believing that it cleanses them of their sins and brings spiritual blessings.
Test: River Management - Question 12
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What role do the flat floodplains along the Ganges River play in terms of human settlement?
Detailed Solution for Test: River Management - Question 12
The flat nature of the floodplains along the Ganges River enables easy construction and supports some of the highest population densities globally. Due to the flat terrain, it is relatively simple to build infrastructure and settlements in these areas, leading to the concentration of human populations. This results in bustling urban centers and towns along the river, where communities thrive due to the fertile land and access to water resources.
Test: River Management - Question 13
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What was one of the key proposed measures under the Flood Action Plan (FAP) in Bangladesh?
Detailed Solution for Test: River Management - Question 13
One of the key proposed measures under the Flood Action Plan (FAP) in Bangladesh was constructing levées/embankments. Levées and embankments are designed to help control and redirect floodwaters, providing a physical barrier to prevent flooding in certain areas.
Test: River Management - Question 14
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What was one of the reasons why the Flood Action Plan (FAP) in Bangladesh was deemed unsuccessful?
Detailed Solution for Test: River Management - Question 14
The Flood Action Plan (FAP) in Bangladesh was deemed unsuccessful partly because altering upstream channels led to intensified flooding downstream. This unintended consequence of the plan resulted in more severe flooding in certain areas, exacerbating the situation.
Test: River Management - Question 15
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What was one of the key proposed measures under the Flood Action Plan (FAP) that aimed to address flood management issues?
Detailed Solution for Test: River Management - Question 15
One of the key proposed measures under the Flood Action Plan (FAP) was the implementation of an enhanced flood warning system. This system aimed to improve the forecasting and warning mechanisms related to floods, helping communities prepare and respond effectively to potential flood events. Effective flood warning systems play a crucial role in mitigating the impact of floods by providing early alerts and enabling timely evacuation and preparedness measures.
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