Montreal Protocol
Tested in 5 real MPSC questions across 2 years (2014–2017). See it in context on the interactive Concept Graph →
Years it was asked
Real questions that test this
कोणत्या वायूमुळे मुख्यत्वे ओझोन थराचा हास होतो ? / The main gas responsible for ozone depletion is :
1)कार्बन डाय ऑक्साईड / Carbon dioxide
2)नायट्रोजन डाय ऑक्साईड / Nitrogen dioxide
3)मिथेन / Methane
4)क्लोरो फल्यूरो कार्बन / Chloro fluro carbon✓ Correct
Chlorofluorocarbons (CFCs) release chlorine atoms upon UV exposure, which actively break down ozone molecules in the stratosphere, causing depletion.
ओझोन छिद्र सर्वप्रथम खालीलपैकी कोणत्या वर्षी आढळले ? Ozone hole was detected in which of the following years ?
a)1958
b)1972
c)1985✓ Correct
d)1995
The Antarctic ozone hole was first scientifically detected and reported by British Antarctic Survey scientists in the year 1985.