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Pollution of Air and Water — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8SciencePollution of Air and Water1 Mark
MCQ
Read the following sentences carefully, and choose the incorrect one:
  • A
    Chlorofluorocarbons are the chemical compounds made of chlorine fluorine and carbon elements.
  • ✓
    Chlorosulphurcarbons are depleting the useful ozone layer of the upper atmosphere.
  • C
    Ozone layer prevents the harmful ultraviolet radiation of the sun from reaching the earth.
  • D
    None of the above.
✓

Answer

Correct option: B.
Chlorosulphurcarbons are depleting the useful ozone layer of the upper atmosphere.
Chlorofluorocarbons are depleting the useful ozone layer of the upper atmosphere. Rest of all the statements are correct.

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