Texas Driver License Knowledge Test
Alcohol and phones: practice questions
Our Texas Driving Test bank has 5 questions on this topic. Here are 3 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1
What alcohol level is illegal for a driver under 21 in Texas?
- 0.02% or more (the adult limit is 0.08%)
- 0.05% or more
- Any detectable amount
- 0.08% or more
Show the answer
C. Any detectable amount — Texas has zero tolerance for minors.
Question 2
Is texting while driving legal in Texas?
- No, reading, writing or sending electronic messages while driving is banned statewide
- Yes, if the driver is over 21 years old
- Yes, but only on rural highways
- Yes, if the phone is in a holder
Show the answer
A. No, reading, writing or sending electronic messages while driving is banned statewide — Drivers under 18 may not use wireless devices at all while driving.
Question 3
Where is the use of a hand-held phone prohibited for all Texas drivers?
- Only on interstate highways
- Nowhere; it's always allowed
- Only in parking lots
- In an active school zone
Show the answer
D. In an active school zone — Many cities have wider bans.