Question

World ozone day is celebrated on __________

• A. ${16}^{th}$ September
• B. $5^{th}$ June
• C. ${22}^{nd}$ April
• D. ${21}^{st}$ April

Answer 1

Answer: (A)

1. 16${}^{th}$ september is celebrated as world ozone day

2. 5${}^{th}$ June is celebrated as world environment day.

3. 22${}^{nd}$ april is celebrated as Earth day.

4. 21${}^{st}$ april is celebrated as civil services day.

So, the correct answer is option A.