North Dakota Motorcycle practice
North Dakota Motorcycle: Alcohol, Drugs & Impairment 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 & Impairment 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. Besides fines and jail, what must all convicted DUI offenders in North Dakota complete?
Correct answer: A mandatory alcohol addiction evaluation and any recommended treatment
Every convicted offender must be evaluated for alcohol addiction and finish whatever treatment is recommended.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Alcohol and the Law
2. According to the motorcycle manual, which drinks contain the same amount of alcohol?
Correct answer: A 12-ounce beer, a mixed drink with a 1.5-ounce shot, and a 5-ounce glass of wine
The manual treats a standard can of beer, a one-shot mixed drink and a 5-ounce glass of wine as equal in alcohol content.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Alcohol in the Body
3. What is the fine for a first DUI conviction in North Dakota when the AC is below 0.16%?
Correct answer: $500
A first conviction carries a $500 fine, along with mandatory addiction evaluation and any recommended treatment.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Alcohol and the Law
4. For a first offense in seven years with an AC of 0.08% or more but below 0.18%, how long is the license suspended?
Correct answer: 91 days
The administrative suspension for a first offense is 91 days, rising to 180 days if the AC was .18 or higher.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Alcohol and the Law
5. Using the manual's example, if you have seven drinks over three hours, at least how many remain in your system at the end?
Correct answer: Four
The body clears roughly one drink per hour, so 7 minus 3 leaves at least four, requiring at least four more hours before you consider riding.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Alcohol in the Body
6. For a North Dakota operator under 21, what alcohol concentration counts as under the influence?
Correct answer: 0.02% or more
Riders younger than 21 are considered under the influence at .02% or higher.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Alcohol and the Law
7. Why does alcohol start affecting a rider so quickly?
Correct answer: It enters the bloodstream without being digested and reaches the brain within minutes
Unlike most food and drink, alcohol is absorbed directly, reaching the brain within minutes and slowing both mental and physical functions.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Alcohol in the Body
8. According to the manual, what is affected first when you drink?
Correct answer: How accurately you can judge your own riding
Because judgment goes first, riders may perform worse while believing they are riding better, and so take bigger risks.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Minimize the Risks
9. Which is one way the manual suggests keeping a friend who has been drinking from riding?
Correct answer: Arrange a safe ride home for them
Options include arranging another way home, slowing the pace of drinking, keeping them there with food and coffee, taking the key, and enlisting other friends.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Step in to Protect Friends
10. At what alcohol concentration is a North Dakota operator 21 or older legally under the influence?
Correct answer: 0.08% or more
A chemical test showing .08% or greater means you are legally under the influence in North Dakota.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Alcohol and the Law
11. How can marijuana's effects differ when it is eaten instead of smoked?
Correct answer: Onset may be delayed more than an hour, and the high may last more than six hours
Smoked marijuana usually acts within minutes and lasts two to four hours, while edibles can take over an hour to start and last much longer.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Marijuana and Motorcycle Operation
12. Under North Dakota's implied consent law, what happens if you refuse a chemical test?
Correct answer: Your license is revoked for 180 days to three years
By accepting a license you agreed to testing of blood, breath, urine or saliva; refusing leads to revocation of 180 days to three years.
Source: North Dakota Class M Motorcycle Operator Manual — Being in Shape to Ride, Alcohol and the Law
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Every North Dakota question is written from the official North Dakota 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