World Ozone Day is celebrated every year on September 16 to spread awareness about the importance of the ozone layer, which protects Earth from harmful ultraviolet rays of the Sun. It also marks the signing of the Montreal Protocol (1987), a global agreement to reduce ozone-depleting chemicals. For students, this day is a great opportunity to revise key GK facts through quizzes.
World Ozone Day 2025 will be observed on September 16, 2025, with the theme “From Science to Global Action.” The day reminds us of the importance of the ozone layer, which protects life on Earth from harmful UV rays. It also highlights the success of the Montreal Protocol (1987) and encourages global efforts to reduce ozone-depleting substances and safeguard our planet for future generations.
World Ozone Day is observed every year on September 16 to spread awareness about the ozone layer’s importance in protecting life from harmful UV rays. The 2025 theme is “From Science to Global Action.” A GK quiz helps students learn key facts in an easy way.
Q1. When is World Ozone Day observed every year?
a) 15 September
b) 16 September
c) 21 September
d) 5 June
S1. Ans. (b)
Q2. What is another name for World Ozone Day?
a) Ozone Protection Day
b) International Day for the Preservation of the Ozone Layer
c) World Environment Day
d) Global Climate Day
S2. Ans. (b)
Q3. What is the theme for World Ozone Day 2025?
a) Global Cooperation for Ozone
b) Ozone and Future Generations
c) From Science to Global Action
d) Save Ozone, Save Life
S3. Ans. (c)
Q4. In which year was the Montreal Protocol signed?
a) 1987
b) 1988
c) 1992
d) 1994
S4. Ans. (a)
Q5. Which international treaty first focused on ozone layer protection?
a) Kyoto Protocol
b) Paris Agreement
c) Vienna Convention
d) Geneva Convention
S5. Ans. (c)
Q6. When did the UN declare September 16 as World Ozone Day?
a) 1987
b) 1992
c) 1994
d) 2000
S6. Ans. (c)
Q7. In which part of the atmosphere is the ozone layer found?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
S7. Ans. (b)
Q8. Which gas group is mainly responsible for ozone depletion?
a) Carbon dioxide
b) Chlorofluorocarbons (CFCs)
c) Methane
d) Oxygen
S8. Ans. (b)
Q9. When was World Ozone Day celebrated for the first time?
a) 1987
b) 1994
c) 1995
d) 2000
S9. Ans. (c)
Q10. Which year did the ozone hole reach its largest size?
a) 1994
b) 2000
c) 2006
d) 2020
S10. Ans. (b)
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