Question 30 (a) - Biology - CBSE Class 12 Sample Paper for 2023 Boards - Solutions - Solutions to CBSE Sample Paper - Biology Class 12

Last updated at August 2, 2026 by

The data below shows the concentration of nicotine smoked by a smoker taking 10 puffs/ minute

[Sample Paper] (a) With reference to the above graph explain the - Biology - CBSE Class 12 Sample Paper for 2023 Boards - Solutions

Question (a) 

With reference to the above graph explain the concentration of nicotine in blood at 10 minutes.

 

Answer:

Concentration of nicotine is maximum at 10 minutes/ conc. of nicotine increases steadily in the blood to reach 45mg/cm 3

 

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