Multiple choice

Tobacco smoke is a complex mixture of several compounds. Which of the following has shown probable evidence of carcinogenicity in humans?

  1. Dibenzacridine

  2. Benzo(a)pyrene

  3. Hydrazine

  4. Lead

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Benzo(a)pyrene has shown probable evidence of carcinogenicity in humans. It is listed as a group I carcinogen by IARC.