Quiz  /  NEET MCQ on Ozone Layer Depletion

  • 1. 
    Good ozone is found in the

  • stratosphere
  • ionosphere
  • troposphere
  • mesosphere

  • 2. 
    This is not the consequence of ozone layer depletion

  • malignant melanoma – skin cancer type
  • increased ultraviolet radiations
  • tides
  • cyanobacteria are sensitive to UV rays and would be affected by its increase

  • 3. 
    Greenhouses gases causing a rise of 3℃ rise in the overall global temperature in the past century are CFCs The CFC used in refrigerators is

  • Ammonia
  • Freon
  • Methane
  • carbon dioxide

  • 4. 
    Main cause of ozone holes and its depletion is

  • propellants
  • foam-blowing agents
  • halocarbon refrigerants
  • all of these

  • 5. 
    Ozone can be destroyed by the following free radical(s)

  • chlorine radical (Cl)
  • hydroxyl radicals (OH)
  • nitric oxide radical (NO)
  • all of these

  • 6. 
    Following form(s) of oxygen is/are involved in ozone-oxygen cycle

  • triatomic oxygen (O
  • diatomic oxygen (O
  • atomic oxygen
  • all of these

  • 7. 
    Ozone-depleting substance chiefly utilized in

  • chimneys
  • All
  • Only IV
  • Only I, II and III
  • Only I and II

  • 8. 
    Montreal protocol is related to the

  • food security
  • global warming
  • sustainable development
  • ozone layer depletion

  • 9. 
    This is a major risk linked with extreme ultraviolet rays through the atmosphere as a result of ozone layer depletion

  • neurological disorder
  • digestive system gets damaged
  • increased liver cancer
  • increased skin cancer

  • 10. 
    UV rays is higher in summer as

  • during summer, ozone is more in the atmosphere
  • sun is busy in summer specially
  • sun is closer to planet earth so UV rays have a shorter distance to travel and reach us
  • none of the above
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