Montana Car / Permit practice
Montana Car / Permit: Alcohol & Drugs practice test
Blood alcohol limits, zero-tolerance and implied-consent laws, and how alcohol and drugs — legal or not — affect your driving.
Content reviewed against official driver handbooks · August 12, 2026
14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.
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12 sample Alcohol & Drugs questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
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1. What do the studies cited in the Montana manual report about drivers who use marijuana?
Correct answer: They make more mistakes, react slower, struggle with glare, and get more traffic citations
The manual says such drivers, prescription or not, make more errors, react more slowly, have a harder time adjusting to glare, and are cited for traffic violations more often.
Source: Montana Driver Manual — Chapter 6, Other Drugs & Driving
2. Where must an opened alcoholic beverage container be kept in a Montana vehicle that has no trunk?
Correct answer: Behind the last upright seat, or closed away in an area people do not normally occupy
With no trunk available, the container has to sit behind the rearmost upright seat, or inside a closed container in an area the driver and passengers do not normally occupy.
Source: Montana Driver Manual — Chapter 6, Drinking & Driving
3. How quickly does the average person's body process one alcoholic drink?
Correct answer: One drink an hour
The typical rate is roughly one drink an hour, and the manual warns that alcohol can still build up in the body even at that pace.
Source: Montana Driver Manual — Chapter 6, Drinking & Driving
4. Which ability does the Montana manual identify as the main reason drinking and driving is so dangerous?
Correct answer: Judgment and skill
Alcohol reaches the parts of the brain that govern judgment and skill, and because judgment is what tells you to stop drinking, you do not notice the problem until it is too late.
Source: Montana Driver Manual — Chapter 6, Drinking & Driving
5. What penalties does a first alcohol conviction carry for a Montana driver?
Correct answer: A $300 to $1,000 fine, 1 to 60 days in jail, and a six-month suspension
The manual lists a fine running from three hundred to a thousand dollars plus court charges, a possible jail term of one to sixty days, and a six-month license suspension.
Source: Montana Driver Manual — Chapter 6, Drinking & Driving
6. A medicine label warns against operating heavy machinery. What does the Montana manual say that means for a driver?
Correct answer: It means you should not drive your vehicle
The manual treats that phrase as a direct instruction not to drive your car or truck, and advises asking a doctor or pharmacist if you are unsure.
Source: Montana Driver Manual — Chapter 6, Other Drugs & Driving
7. What blood alcohol level applies to a Montana driver who is under 21?
Correct answer: 0.02
Drivers below the legal drinking age face a far stricter figure of two hundredths of a percent rather than the adult threshold.
Source: Montana Driver Manual — Chapter 6, Drinking & Driving
8. What share of Montana traffic fatalities does the manual describe as alcohol related?
Correct answer: One half
In the section introducing the Report A Drunk Driver program, the manual puts half of the state's traffic deaths in the alcohol-related column.
Source: Montana Driver Manual — Chapter 6, Drinking & Driving
9. Which situation is an exception to Montana's open container rule?
Correct answer: A passenger riding with a hired driver in a taxi or limousine
The exceptions cover a sealed bottle with nothing poured out of it, containers kept in the living space of a camper or motor home, and riders being carried by a hired driver in a bus, taxi, or limousine.
Source: Montana Driver Manual — Chapter 6, Drinking & Driving
10. What does the manual say about pep pills, uppers, and diet pills for a driver?
Correct answer: They give a short lift, then leave you nervous, dizzy, and unable to concentrate
They may produce a brief stretch of feeling sharper, but afterward they can leave a driver jittery, lightheaded, unable to concentrate, and with affected vision.
Source: Montana Driver Manual — Chapter 6, Other Drugs & Driving
11. What happens if a Montana driver refuses an officer's request for a blood alcohol test?
Correct answer: You may lose your driver license
The manual states plainly that you must take the test when asked, and that turning it down can cost you your driving privilege.
Source: Montana Driver Manual — Chapter 6, Drinking & Driving
12. Roughly what share of fatal crashes does the Montana manual say involve alcohol?
Correct answer: About 40 percent
The manual opens its drinking and driving section by putting alcohol in about forty percent of crashes that end in death.
Source: Montana Driver Manual — Chapter 6, Drinking & Driving
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Every Montana question is written from the official Montana driver handbook and checked against its current edition. DMV Test Free is a free, independent study resource — not affiliated with any DMV or government agency. About DMV Test Free