UPPSC PCS 2015 · Question 134 of 136
Environment
In 1994, the UN General Assembly proclaimed 16 September the International Day for the Preservation of the Ozone Layer, commemorating the date of the signing, in 1987, of the Montreal Protocol on Substances that Deplete the Ozone Layer
Source: selfstudyhistory.com UPPSC Prelims 2015 solved paper (Set B)
Practice the full UPPSC PCS 2015 paper
Timed test with all 136 questions, just like the real exam.
Start test