World Ozone Day 2024 Quiz Competition

What is the area of hole present in ozone layer over Antarctica as found on 13 October 2022?

• 15.1 million square km

• 47 million square km

• 23.2 million square km

• 58 million square km

Recently, scientists have discovered strong evidence indicating the presence of ozone on Callisto, which is the moon of:

• 1. Saturn

• 1. Mars

• 1. Jupiter

• 1. Venus

Which one of the following is not responsible for the depletion of ozone layer?

• CFFC-12 used in refrigerators

• Methyl Chloroform used as solvent

• HALON-1211 used in fire fighting

• Nitrous Oxide

Which one of the following is associated with the issue of control and phasing out of the use of ozone depleting substances?

• Bretton Woods Conference

• Montreal Protocol

• Kyoto Protocol

• Nagoya Protocol

Which gas is primarily responsible for the depletion of the ozone layer?

• Carbon dioxide

• Sulfur dioxide

• Chlorofluorocarbons

• Methane

What effect do volcanic eruptions have on the ozone layer?

• They typically contribute to ozone depletion by releasing chlorine compounds.

• They have little impact on the ozone layer.

• They release aerosols that can lead to temporary ozone depletion.

• They increase ozone concentrations by releasing nitrogen oxides.

What was the theme of the World Ozone Day 2023

• Montreal Protocol: Advancing Climate Action

• Global Cooperation to protect Life on Earth

• Montreal Protocol – keeping us, our food, and vaccines cool

• Montreal Protocol: Fixing the Ozone Layer and Reducing Climate Change.

Which type of ultraviolet (UV) radiation is most harmful to living organisms and is partially absorbed by the ozone layer?

• UVA

• UVB

• UVC

• UVD

Which continent has the highest incidence of skin cancer due to ozone depletion?

• Europe

• Africa

• Australia

• Asia

What is the average thickness of the ozone layer in the stratosphere?

• 1 kilometer

• 10 kilometers

• 30 kilometers

• 50 kilometers