Missouri Permit Test: Alcohol & Drugs Practice Questions

BAC limits, implied consent and DUI penalties.
Question 1
For a driver 21 or older in a regular passenger vehicle, at what blood alcohol content (BAC) is it illegal to drive in Missouri?
Question 2
What is the BAC limit for drivers under 21 in Missouri?
Question 3
What is the BAC limit for commercial vehicle drivers?
Question 4
After an arrest with a BAC over the limit, the officer takes your license and gives you a notice. When does the suspension or revocation take effect?
Question 5
What happens if you refuse a police officer's chemical test for alcohol in Missouri?
Question 6
What is the maximum jail time and fine for a first DWI or BAC conviction in Missouri?
Question 7
For a first court conviction of DWI or BAC, what happens to your license?
Question 8
What license action follows a third DWI/BAC conviction?
Question 9
What license action follows a second DWI/BAC conviction within five years?
Question 10
If you injure or kill someone while driving drunk or drugged in Missouri, what penalties may you face?
Question 11
Under Missouri's Abuse and Lose law, how long can a driver under 21 lose their license for possessing or using alcohol or drugs while driving?
Question 12
A driver 21 or older is caught possessing or using drugs while driving. How long can the license be taken away?
Question 13
What is the license penalty for a first Minor in Possession (MIP) offense?
Question 14
Under Missouri's Minor in Possession rules, does drinking alcohol count as possessing it?
Question 15
Which is a requirement to reinstate a license after an intoxication-related suspension or revocation?

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Practice questions are written from official driver handbooks. Always check your state DMV for current rules.
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