GS1 · Topic
Geophysical Phenomena
Earthquakes, tsunamis, volcanic activity and related hazards as a group.
51 UPSC Mains GS1 questions on Geophysical Phenomena that toppers answered in test series, CSE 2016–2025, most answered first. Open one to see how toppers opened, built and closed it.
How does the plate tectonics theory help explain the formation of Himalayas and Deccan Traps?
Answered by 1 topper · CSE 2016
Plate tectonicsGeophysical Phenomena
Recent volcanic eruptions in Italy and Hawaii have gained attention towards the phenomenon of volcanism.
Answered by 1 topper · CSE 2024
Geophysical PhenomenaPlate tectonics
Explain how climate change drives heatwaves and wildfires across the world. Also, critically examine various measures taken by countries to mitigate its impact.
15 marks · 250 words · Answered by 1 topper · CSE 2024
Climate ChangeGlobal Warming
What are Van Allen Radiation Belts? Explaining their formation, discuss why there has been a growing focus on their study.
10 marks · 150 words · Answered by 1 topper · CSE 2023
Geophysical Phenomena
Describe the process of rift valley formation, with special emphasis on the Great Rift Valley System.
15 marks · 250 words · Answered by 1 topper · CSE 2020
Geophysical PhenomenaGeomorphology
Compare the characteristics of shield volcanoes, composite volcanoes, and calderas.
10 marks · 150 words · Answered by 1 topper · CSE 2025
Geophysical PhenomenaGeomorphology
Discuss the phenomenon of Aurora. 7. Explain the factors influencing the location of the automobile industry in India. 8. 'Unity in Diversity' is the beauty and the test of Indian civilisation. Elaborate.
Answered by 1 topper · CSE 2024
Geophysical Phenomena
How does plate tectonics theory help in explaining the formation of Himalaya?
10 marks · 150 words · Answered by 1 topper · CSE 2025
Plate tectonicsHimalayas
Explain the process of formation of volcanic calderas. How do they contribute to the scenic beauty of the region?
15 marks · 250 words · Answered by 1 topper · CSE 2024
Geophysical PhenomenaGeomorphology
To what extent does seismic investigation contribute to our understanding of the earth's interior structure? Analyse its significance in detail.
Answered by 1 topper · CSE 2025
Geophysical PhenomenaPlate tectonics
The increasing frequency and intensity of cloudbursts are linked to climate change and changing weather patterns. Comment. (10M)
10 marks · 150 words · Answered by 1 topper · CSE 2024
Geophysical PhenomenaClimatology
Discuss the global distribution of earthquakes and their multidimensional impact.
Answered by 1 topper · CSE 2025
Geophysical PhenomenaPlate tectonics
Explain the phenomenon of Tsunami formation and highlight reasons for India's vulnerability to Tsunamis. List some measures to mitigate the impact of Tsunamis.
Answered by 1 topper · CSE 2016
Geophysical Phenomena
Identify the reasons behind increasing number of extreme rainfall events throughout India in recent times. Assess their socio-economic impact.
10 marks · 150 words · Answered by 1 topper · CSE 2024
Geophysical PhenomenaClimatology
Briefly explain the theory of plate tectonics? How far this theory provided plausible explanation for the occurrence of earthquakes and volcanoes?
15 marks · 250 words · Answered by 1 topper · CSE 2022
Plate tectonicsGeophysical Phenomena
Explain the concept of mantle plumes and evaluate their role in the formation of volcanic provinces and continental breakup.
10 marks · 150 words · Answered by 1 topper · CSE 2025
Geophysical PhenomenaPlate tectonics
Despite being destructive in nature, volcanoes are critical for the existence of human life on earth. Elucidate.
10 marks · 150 words · Answered by 1 topper · CSE 2025
Geophysical PhenomenaNatural Resources
Although the usual perception about volcanoes revolves around it being a natural disaster, however, it also has benefits for people and landscape. Explain.
10 marks · 150 words · Answered by 1 topper · CSE 2022
Geophysical PhenomenaGeomorphology
Explain the different types of earthquake waves and the concept of shadow zone. What inferences can we draw from shadow zones regarding the interior of the Earth?
Answered by 1 topper · CSE 2016
Geophysical PhenomenaPlate tectonics
What is the phenomenon of 'cloudburst'? Examine its causes and discuss the implications for mountainous regions in India.
10 marks · 150 words · Answered by 1 topper · CSE 2025
Geophysical PhenomenaHimalayas
What are seismic waves? How do seismic waves help in understanding of internal structure of the earth?
10 marks · 150 words · Answered by 1 topper · CSE 2023
Geophysical PhenomenaPlate tectonics