The potent carcinogen located in coal tar exhaust of automobiles and tobacco smoke is
A
Dioxin
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B
Benzopyrene
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C
Both A and B
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D
None of the above
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Solution
The correct option is B Benzopyrene Benzopyrene is a pollutant released by coal tar exhaust of automobiles and tobacco smoke. It is an air pollutant and a carcinogen. It forms a carcinogenic metabolite which intercalates into DNA and interferes with transcription. Thus the correct answer is option B.