6.4 Stratospheric ozone

6.4 Stratospheric ozone Quiz

IB Environmental Systems and Societies HL: Quiz

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  1. 1. Which radiation does ozone mainly absorb?

    • A. Infrared
    • B. Visible light
    • C. Ultraviolet
    • D. Radio waves

  2. 2. (HL) Which halogen released from CFCs destroys ozone?

    • A. Chlorine
    • B. Helium
    • C. Carbon
    • D. Oxygen

  3. 3. (HL) The ozone hole forms in spring because

    • A. sunlight drives the chlorine-releasing reactions
    • B. CFCs are only emitted then
    • C. it is warmest
    • D. ozone forms faster

  4. 4. (HL) HFCs are a problem because they are

    • A. ozone-depleting
    • B. potent greenhouse gases
    • C. toxic to plants
    • D. radioactive

  5. 5. The Montreal Protocol was agreed in

    • A. 1972
    • B. 1987
    • C. 1997
    • D. 2015

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