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Environmental Issues — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues1 Mark
MCQ
Photochamical Smog consists of?
  • A
    $\mathrm{SO}_2$, PAN and Smoke
  • ✓
    Ozone, PAN and $\mathrm{NO}_2$
  • C
    Ozone, $\mathrm{SO}_2$ and Hydro-carbon
  • D
    $\mathrm{SO}_2, \mathrm{CO}_2$ and Hydro- carbon
✓

Answer

Correct option: B.
Ozone, PAN and $\mathrm{NO}_2$
B

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