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Environmental Issues — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues1 Mark
MCQ
Lead concentration in blood is considered alarming if it is:
  • A
    $20\ mg/ 100\ mL$
  • ✓
    $30\ mg/ 100\ mL$
  • C
    $4-6\ mg/ 100\ mL$
  • D
    $10\ mg/ 100\ mL$
✓

Answer

Correct option: B.
$30\ mg/ 100\ mL$

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