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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Which of the following substances in tobacco smoke damage the gas exchange system?

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Question

Which of the following substances in tobacco smoke damage the gas exchange system?

Options

  • carbon monoxide and carcinogens

  • carbon monoxide and nicotine

  • carcinogens and tar

  • nicotine and tar

MCQ
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Solution

nicotine and tar

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Chapter 6: Respiration - Evaluation [Page 105]

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Samacheer Kalvi Biology (Zoology) [English] Class 11 TN Board
Chapter 6 Respiration
Evaluation | Q 12. | Page 105
Samacheer Kalvi Zoology [English] Class 11 TN Board
Chapter 6 Respiration
Evaluation | Q 12. | Page 108
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