GS1 · Topic
Water
Rivers, groundwater, irrigation, water bodies and water sharing.
35 UPSC Mains GS1 questions on Water that toppers answered in test series, CSE 2017–2025, most answered first. Open one to see how toppers opened, built and closed it.
The interlinking of rivers offers several benefits, but also raises significant socio-economic and environmental concerns. Analyze.
15 marks · 250 words · Answered by 4 toppers · CSE 2025
WaterNatural Resources
India faces a looming freshwater crisis despite its vast river systems. Discuss the causes and evaluate integrated water resource management strategies for sustainability.
10 marks · 150 words · Answered by 4 toppers · CSE 2023–2025
WaterNatural Resources
Compare the characteristics of east-flowing and west-flowing rivers with suitable examples. Why do most rivers in India flow eastward?
10 marks · 150 words · Answered by 4 toppers · CSE 2023–2025
WaterGeomorphology
Highlight the salient differences between the Himalayan and the Peninsular drainage Systems.
10 marks · 150 words · Answered by 4 toppers · CSE 2025
HimalayasWater
What is 'Blue Revolution'? Discuss the major challenges faced in the development of aquaculture in India. Suggest a set of comprehensive strategies to overcome these challenges.
15 marks · 250 words · Answered by 4 toppers · CSE 2023–2025
Natural ResourcesIndustry
What are the primary drivers of freshwater scarcity in megacities like Bangalore and Hyderabad? Suggest comprehensive solutions that address both supply and demand aspects of urban water management.
15 marks · 250 words · Answered by 3 toppers · CSE 2023–2024
UrbanizationWater
"Climate warming and unsustainable groundwater extraction are likely to amplify the challenges related to groundwater sustainability." In light of the above statement discuss various reasons for groundwater depletion and highlight government initiatives to address the challenges.
15 marks · 250 words · Answered by 3 toppers · CSE 2023–2024
WaterClimate Change
Discuss the causes for salinity ingress along with its various consequences and potential solutions.
15 marks · 250 words · Answered by 3 toppers · CSE 2021–2024
WaterHuman Geography
What are the key strategies used in dryland farming to overcome water scarcity and maximize agricultural productivity in arid and semi-arid regions? Also, discuss the need to promote dryland farming in India.
15 marks · 250 words · Answered by 3 toppers · CSE 2023–2025
Human GeographyNatural Resources
River interlinking is seen as a means to reduce regional water stress. Discuss its advantages and examine the possible environmental and social implications.
10 marks · 150 words · Answered by 3 toppers · CSE 2023–2025
WaterNatural Resources
What is the Blue Revolution? What are the significant hurdles in aquaculture development, and what comprehensive strategies can be implemented to address them?
15 marks · 250 words · Answered by 3 toppers · CSE 2023–2024
Natural ResourcesIndustry
Discuss the importance of water as the chief architect of the earth surface.
15 marks · 250 words · Answered by 2 toppers · CSE 2023–2024
GeomorphologyWater
Discuss various factors contributing to the water woes faced by Indian cities. Also, explain complexities in implementing a comprehensive water management plan.
15 marks · 250 words · Answered by 2 toppers · CSE 2020–2023
UrbanizationWater
Examine the impacts of climate change on the hydrological cycle and suggest suitable mitigation and adaptation strategies to contain the harmful implications.
15 marks · 250 words · Answered by 2 toppers · CSE 2020–2023
Climate ChangeGlobal Warming
Mangroves play a significant role in coastal ecology and economy. Examine. Also, elaborate the reasons behind the accelerated destruction of the mangrove habitat.
15 marks · 250 words · Answered by 2 toppers · CSE 2022–2024
Natural ResourcesClimatology
Account for the shift in location of sugar industry. What has been the economic and ecological consequences of these shifts?
15 marks · 250 words · Answered by 2 toppers · CSE 2023
IndustryNatural Resources
Describing the distribution of sugarcane producing countries, examine the major environmental challenges associated with its cultivation.
15 marks · 250 words · Answered by 2 toppers · CSE 2025
IndustryNatural Resources
Classify the different types of lakes based on their geomorphological origin. Why are certain lake types more prevalent in specific regions of the world?
15 marks · 250 words · Answered by 2 toppers · CSE 2023–2025
GeomorphologyHuman Geography
Discuss the feasibility of Interlinking rivers to resolve the issue of water stress in other regions.
10 marks · 150 words · Answered by 2 toppers · CSE 2023–2025
WaterNatural Resources
India's water resources have witnessed rapid depletion due to a mix of economic, geographic, and political factors. Explain and discuss its implications.
15 marks · 250 words · Answered by 1 topper · CSE 2020
WaterPoverty
How does human encroachment impact water bodies in urban areas?
10 marks · 150 words · Answered by 1 topper · CSE 2024
UrbanizationWater
Discuss the reasons behind unsustainable management of sand resources in India. Highlighting its impact, enumerate the remedial measures taken in this context.
15 marks · 250 words · Answered by 1 topper · CSE 2025
Natural ResourcesWater
"As the world's water towers melt, the risk of water stress increases." Discuss how the Himalayan glaciers' retreat could redefine freshwater availability and regional hydropolitics in South Asia.
15 marks · 250 words · Answered by 1 topper · CSE 2025
HimalayasClimate Change
Discuss the critical factors contributing to water stress in Indian cities. Elaborate on the major impediments to the formulation and implementation of a holistic water management strategy.
15 marks · 250 words · Answered by 1 topper · CSE 2025
UrbanizationWater
Examine the geological events that have led to the current drainage system of Peninsular India. In what ways have geographical factors impacted the drainage patterns in the region? (15M)
15 marks · 250 words · Answered by 1 topper · CSE 2024
GeomorphologyWater
Why are the wetlands considered as world's most productive ecosystems and essential regulators of the global climate? Identify the reasons for their disappearance in the present times. Also, mention the steps taken by the government to protect wetlands in India.
15 marks · 250 words · Answered by 1 topper · CSE 2022
WaterClimate Change
Do you think the National River linking project is a panacea to the water crisis in India? Bring out the challenges in making it a success and suggest measures to overcome these challenges.
15 marks · 250 words · Answered by 1 topper · CSE 2022
WaterNatural Resources
The recent water crisis in cities like Hyderabad and Bengaluru is a precursor to 'Day Zero'. Discuss the drivers of this water scarcity and suggest comprehensive strategies to address the same.
Answered by 1 topper · CSE 2024
UrbanizationWater
The groundwater potential of the Gangetic Valley is on a serious decline. Analyse how this decline may affect India's food security
15 marks · 250 words · Answered by 1 topper · CSE 2025
WaterNatural Resources
There is a growing magnitude of inequality in availability and access to water in India. Analyse various contributing factors, their multi-dimensional implications and possible solutions for equitable water access.
15 marks · 250 words · Answered by 1 topper · CSE 2024
WaterPoverty