Miscellaneous · Ecology and Environment · UPSC Civil Service

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MCQ (Single Correct Answer)

UPSC Civil Service Prelims Paper I 2024 (General Studies)
Consider the following:Pyroclastic debrisAsh and dustNitrogen compoundsSulphur compoundsHow many of the above are products of volcanic eruptions?...
UPSC Civil Service Prelims Paper I 2021 (General Studies)
‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?
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