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Ozone depletion

9 PYQ across 4 exams · 1979–2025 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1979 → CAPF 2015 → GEO 2021 → CDS 2024
19791 PYQ
CSEQ33
The Supersonic jets tend to cause…
19921 PYQ
CSEQ14
Which one of the following chemicals is responsible for the depletion of ozone layer in the atmosphere?…
20121 PYQ
CSEQ17
Consider the following statements : Chlorofluorocarbons, known as ozone-depleting substances, are used 1. in the production of plastic foams…
20151 PYQ
CAPFQ101
Ozone layer depletion is a major phenomenon in :…
20212 PYQs
GEOQ41
Which one among the following is true about Ozone Hole?…
GEOQ42
Montreal Protocol ratifies:…
20242 PYQs
CDSQ24
Ozone hole is a region over :…
GEOQ20
Consider the following statements about Chlorofluorocarbons (CFCs) : 1. CFCs remain inert in the troposphere but slowly diffuse into the str…
20251 PYQ
GEOQ42
Which one of the following Protocols was signed in the year 1987 to reduce the production and use of ozone-depleting substances?…
Related concepts — explore their timelines too
Montreal ProtocolPollutionStratosphereAntarctica
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