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Environmental Issues — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues1 Mark
MCQ
Photochemical smog consists of :
  • A
    $\mathrm{SO}_2$, PAN and Smoke
  • ✓
    $\mathrm{SO}_3, \mathrm{PAN}$ and oxides of nitrogen
  • C
    $\mathrm{SO}_2, \mathrm{CO}_2$ and hydrocarbon
  • D
    $\mathrm{O}_3, \mathrm{SO}_2$ and hydrocarbon
✓

Answer

Correct option: B.
$\mathrm{SO}_3, \mathrm{PAN}$ and oxides of nitrogen
B

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