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Class 12BiologyHuman Health and DiseaseDrugs and Alcohol Abuse
Easy

Which one of the following is the most carcinogenic substance present in tobacco smoke?

  • A
    Nicotine
  • B
    Benzopyrene
  • C
    Caffeine
  • D
    Tar
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12

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Class 12 Questions

Class 12

Biology Questions

Chapter

Human Health and Disease

Subtopic

Drugs and Alcohol Abuse

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