Northwest Territories Knowledge Test Coach
Licences and penaltiesQuestion 175 of 202

What blood alcohol concentration (BAC) must a learner and the supervisor keep while the vehicle is in operation?

  1. Under 20 mg in 100 mL of blood
  2. Under 50 mg in 100 mL of blood
  3. Zero
  4. Under 80 mg in 100 mL of blood
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Correct answer: Zero

A learner and the supervisor must have no alcohol in the blood at all.

Source: Driver's Manual: A guide to safely operate cars and light trucks (Government of the Northwest Territories, revised August 2022), Chapter 1, Graduated Driver Licensing Program, page 10

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Questions last reviewed: 18 October 2026