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UPSC 2024: 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?
(a)Only one
(b)Only two
(c)Only three
(d)All four
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Not attemptedCorrect Answer: (d) All four
Explosive eruptions eject solid pyroclastic debris and fine ash/dust, while volcanic gases include sulphur species (SO₂, H₂S) and also nitrogen and nitrogen oxides generated directly or via volcanic lightning. Thus all four listed items are recognised products of volcanic activity. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/38315852/?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2024 Geography question?▼
The correct answer is option (d): All four. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Physical Geography & Geomorphology question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2024, GS Paper 1, as Question 3. It falls under Geography > Physical Geography & Geomorphology.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Physical Geography & Geomorphology?▼
UPSC has asked 25 questions from Physical Geography & Geomorphology (under Geography) across multiple years. Visit the topic page to see the full list and year-wise trends.