World Ozone Day

Which appliances produce maximum CFCs?

• Fridge and AC

• TV and AC

• Laptops and Computers

• Microwave ovens

Which of the following is not the consequence of ozone layer depletion?

• Increased ultraviolet rays

• Malignant melanoma-another form of skin cancer

• Cyanobacteria are sensitive to UV radiation and would be affected by its increase.

• Tides

Tags

NGSS.MS-LS2-4

In which sphere Ozone layer depletion is found?

• Ionosphere

• Stratosphere

• Lithosphere

• None of these

Which of the following is a prime health risk associated with greater UV radiation through the atmosphere due to the depletion of the ozone layer?

• Damage to the digestive system

• Increased risk of liver cancer

• Increased risk of skin cancer

• Neurological disorder

Tags

NGSS.HS-PS4-4

Montreal protocol is related to the:

• Global warming

• Ozone layer depletion

• Sustainable development

• Food security

When was the first ozone hole discovered?

• 1980s

• 1950s

• 1970s

• 1990s

An ozone-depleting substance mainly used in:

I.Burning fossil fuels

II. Chimneys

III. All human activities

IV. Cooling and refrigeration applications, and in the manufacture of foam products.

• Only I, II

• Only I,II, III

• All

Tags

NGSS.MS-ESS3-4

CFCs (chlorofluorocarbons) are greenhouse gases that have caused a rise of 3 degree C in the global temperatures in the past century. Name the CFC that is used in refrigerators.

• Carbon dioxide

• Methane

• Ammonia

• Freon

Which of the following is not the consequence of ozone layer depletion? ...

• skin cancer

• ice melting in the poles

• release of oxygen

• plants flourish

Tags

NGSS.MS-LS2-4

Which products contain ozone-depleting substances? ...

• refrigerator

• fire extinguishers

• aerosol propellants

• petroleum

Tags

NGSS.MS-PS1-3