Multiple choice general knowledge science & technology

What is the toxic element present in tobacco?

  1. heroin

  2. caffine

  3. nicotine

  4. none of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Nicotine is the primary toxic and addictive alkaloid found in the tobacco plant. Caffeine is found in coffee and tea, while heroin is a semi-synthetic opioid derived from morphine. Nicotine acts as both a stimulant and a sedative in humans.

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