Alcohol, drugs and DUI: Ohio BMV written test practice
5 free practice questions on alcohol, drugs and DUI for the Ohio BMV written knowledge test, each with the correct answer and a short explanation. Study them here, then check yourself in the interactive quiz or the exam simulator.
1. For drivers 21 years of age and older, driving with a blood alcohol concentration (BAC) is considered illegal starting at:
0.05%
✓ 0.08%
0.10%
Any detectable amount
Why: 0.08% — the legal limit for drivers aged 21 and older.
2. What is Ohio's blood alcohol concentration (BAC) limit for drivers under 21 under its zero-tolerance law?
0.08%
0.05%
✓ 0.02%
0.00%
Why: Under Ohio's underage OVI law, drivers under 21 can be cited with a BAC of just 0.02%, far below the 0.08% limit that applies to adult drivers.
3. A commercial vehicle driver is considered to be intoxicated if their BAC is:
0.08%
✓ 0.04% and higher
0.02%
0.10%
Why: For commercial drivers, a stricter limit applies—0.04%.
4. What does Ohio's implied consent law mean for drivers?
Drivers may refuse any chemical test with no consequences
✓ By driving on Ohio roads, drivers have already agreed to a chemical test if lawfully arrested for OVI
Only commercial drivers are subject to chemical testing
Chemical tests can only be given with a court order
Why: Under Ohio's implied consent law, simply by driving on public roads you agree to submit to a chemical test of your breath, blood, or urine if lawfully arrested for operating a vehicle impaired (OVI).
5. Drivers and passengers are prohibited from having the following items inside the vehicle:
Food or drinks
✓ An open container of alcohol
Phone Holder
Sunglasses
Why: Open containers of alcohol are prohibited inside the vehicle for both the driver and passengers.
About the Ohio written test
40 (20 signs + 20 rules)questions on the real test
15/20correct answers to pass (75% on EACH section)
Next business dayto retest (fee applies each time)