UPSC Prelims 2024 · Question 53 of 97
UPSC Prelims 2024 question on Volcanic Eruption Products
- ExamUPSC CSE
- Year2024
- PaperGeneral Studies Paper I
- SubjectGeography
- TopicGeomorphology
- DifficultyEasy
- TypeDirect
Consider the following:
1. Pyroclastic debris
2. Ash and dust
3. Nitrogen compounds
4. Sulphur compounds
How many of the above are products of volcanic eruptions?
Show answer
Answer: D. All four
Verdict
Correct answer: All four → Option (d).
Analysis
A volcano is a place where gases, ashes and/or molten rock material escape to the ground. The material that reaches the ground includes lava flows, pyroclastic debris, volcanic bombs, ash and dust and gases such as nitrogen compounds, sulphur compounds and minor amounts of chlorene, hydrogen and argon.
All four items listed – pyroclastic debris, ash and dust, nitrogen compounds, and sulphur compounds – are products of volcanic eruptions.