Quiz on Ozone Layer and Climate Change

What is the protective ozone layer made up of?

• Solid particles

• Gaseous molecules

• Metallic compounds

• Liquid molecules

What was the main cause of the ozone hole over Antarctica?

• Nitrogen oxides

• Carbon dioxide emissions

• Chlorofluorocarbons (CFCs)

• Methane gas

Which scientist led the team to investigate the cause of the ozone hole over Antarctica?

• Dr. Johnson

• Dr. Solomon

• Dr. Brown

• Dr. Smith

What was the main problem with Chlorofluorocarbons (CFCs) in the atmosphere?

• They reduced greenhouse gases

• They increased oxygen levels

• They depleted the ozone layer

• They caused acid rain

Which international agreement aimed to reduce ozone-depleting substances?

• Kyoto Protocol

• Montreal Protocol

• Copenhagen Accord

• Paris Agreement

When did the Montreal Protocol go into effect?

• 1991

• 1987

• 1989

• 1985

What was the main reason for the success of the Montreal Protocol?

• Government secrecy

• Public awareness and pressure

• Corporate lobbying

• Scientific experiments

What substance replaced Chlorofluorocarbons (CFCs) but contributed to climate change?

• Nitrous oxide

• Hydrofluorocarbons (HFCs)

• Sulfur dioxide

• Carbon monoxide

What is the expected year for the complete recovery of the ozone hole?

• 2030

• 2065

• 2040

• 2050

What was the amendment made to the Montreal Protocol in 2016?

• Increasing deforestation

• Promoting fossil fuels

• Phasing out Hydrofluorocarbons (HFCs)

• Reducing carbon emissions