California Permit Practice Test: Alcohol and Drugs (2026)

Question 1 of 20

If you are 21 or older, it is illegal to drive with a blood alcohol concentration (BAC) of:

1. 0.05% or higher
2. 0.08% or higher
3. 0.10% or higher

Question 2 of 20

A driver under 21 is breaking the law if their BAC is:

1. 0.01% or higher
2. 0.05% or higher
3. 0.08% or higher

Question 3 of 20

What is the BAC limit when you are driving a passenger for hire (for example, as a taxi driver)?

1. 0.08% or higher
2. 0.10% or higher
3. 0.04% or higher

Question 4 of 20

If an officer asks you to take a blood or urine test because they think you are under the influence and you refuse:

1. Nothing happens if you pass a field sobriety test
2. DMV will suspend or revoke your driving privilege for one year
3. You only receive a written warning

Question 5 of 20

Which medicines can make it illegal for you to drive?

1. Any prescription or over-the-counter medicine that affects your ability to drive
2. Only illegal drugs
3. Only medicines that contain alcohol

Question 6 of 20

You are carrying an opened bottle of wine in your car. Where must it be kept?

1. In the glove box
2. Under the driver's seat
3. In the trunk or another area where passengers do not sit

Question 7 of 20

The open-container rule does NOT apply if you are a passenger in:

1. Any car, as long as the driver is sober
2. A bus, taxi, camper, or motorhome
3. The back seat of a sedan

Question 8 of 20

Can a passenger smoke or eat a cannabis product in a car on the road?

1. No, it is illegal for both the driver and passengers
2. Yes, if the driver does not use it
3. Yes, if the windows are open

Question 9 of 20

By driving in California, you have agreed to:

1. Take a breath test only if you are involved in a collision
2. Let officers search your trunk at any time
3. Take a breath, blood, or urine test if an officer suspects you of DUI

Question 10 of 20

If you are arrested for DUI, the officer may take your license and give you a temporary license that is valid for:

1. 10 days
2. 30 days
3. 90 days

Question 11 of 20

After a DUI arrest, how long do you have to request a DMV administrative hearing?

1. 10 days from the date of the arrest
2. 30 days from the date of the arrest
3. Until your court date

Question 12 of 20

How long does a DUI conviction stay on your California driving record?

1. 3 years
2. 5 years
3. 10 years

Question 13 of 20

After a DUI conviction, you may be required to install which device on your vehicle?

1. A dashboard camera
2. An ignition interlock device (IID)
3. A speed limiter

Question 14 of 20

If you are under 21, you may carry alcohol in a vehicle only when:

1. Someone 21 or older is with you and the container is full, sealed, and unopened
2. The alcohol is in the glove box
3. You are driving to your home

Question 15 of 20

A driver under 21 is caught with alcohol in the vehicle. For how long can law enforcement impound the vehicle?

1. Up to 7 days
2. Up to 1 year
3. Up to 30 days

Question 16 of 20

Your BAC is below the legal limit. What does that mean?

1. You are always safe to drive
2. It does not necessarily mean it is safe for you to drive
3. You cannot be arrested for DUI

Question 17 of 20

According to the BAC chart in the handbook, how much should you subtract from the estimate for each 40 minutes between drinks?

1. 0.01%
2. 0.02%
3. 0.05%

Question 18 of 20

In the handbook's BAC chart, one drink is equal to:

1. One 24 oz. can of 5% beer
2. Any glass of wine, regardless of size
3. 12 oz. of 5% beer

Question 19 of 20

You are 15 and are convicted of riding a bicycle under the influence of alcohol. What can happen to your future driving privilege?

1. Nothing, because bicycles are not motor vehicles
2. It may be suspended or delayed for one year once you are eligible to drive
3. You must wait until age 21 to apply

Question 20 of 20

Cough syrup that contains alcohol:

1. Can make it illegal for you to drive if you take too much
2. Is always safe because it is a medicine
3. Only matters for commercial drivers