Ozone Day

When is the international Day for preservation of the Ozone layer observed?

• September 22

• October 16

• September 16

• August 29

Which of the following chemicals is most responsible for Ozone layer depletion?

• Carbon Dioxide

• Nitrogen

• Sulpher Dioxide

• Chloroflurocarbons

What is the function of the Ozone layer in Earth's atmosphere?

• It helps produce rain

• It helps plants grow faster

• It absorbs and blocks ultraviolet radiation from the sun

• It causes air pollution

Which layer of the Earth's atmosphere contains the Ozone layer?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Which of the following is a consequence of increased UV radiation due to Ozone depletion?

• Skin cancer

• Decreased air pollution

• Higher oxygen levels

• Reduced carbon emissions

What is the chemical formula of ozone?

• O₂

• O₃

• CO₂

• O₄

Where is the ozone hole primarily located?

• Over the Artic

• Over North America

• Over Africa

• Over Antartica

Which of the following is a natural source of ozone in the atmosphere?

• Ocean currents

• Lightening

• Wind

• Photosynthesis