Quiz: UPPSC Prelims 2018 (GS Paper I)

Category: UP PSC (PCS)

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UPPSC Prelims 2018 (GS Paper I)
33%

Ultra-violet radiation from sun light causes the reaction that produce which of the following?

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23 Aug 2025 · 18 Oct 2025

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2018 (GS Paper I)

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