Iowa Permit Test (Iowa DOT Knowledge Test) — All Questions

In Iowa, the minimum age to get an instruction permit is:

• a.16
• b.15
• c.14✓
• d.18

Iowa issues an instruction permit beginning at age 14. (Iowa Driver's Manual, GDL)

An Iowa intermediate license holder generally may not drive between:

• a.11 p.m. and 5 a.m.
• b.12:30 a.m. and 5 a.m.✓
• c.midnight and 6 a.m.
• d.10 p.m. and 4 a.m.

An Iowa intermediate driver may not drive between 12:30 a.m. and 5 a.m. unless accompanied by a qualifying licensed adult or driving to/from work or a school event. (Iowa Driver's Manual, GDL)

During the first six months of an Iowa intermediate license, the driver may carry no more than:

• a.One unrelated minor passenger, unless supervised by a licensed adult 25+✓
• b.Four passengers
• c.Two adult passengers
• d.No passengers at all, ever

For the first six months of an Iowa intermediate license, the driver may carry only one unrelated passenger under 18 unless a parent, guardian, or licensed driver 25 or older is supervising. (Iowa Driver's Manual, GDL)

For an Iowa driver under 21, it is illegal to drive with a BAC of:

• a.0.08 or higher
• b.0.05 or higher
• c.0.10 or higher
• d.0.02 or higher (zero-tolerance)✓

Iowa applies a 0.02 zero-tolerance BAC limit to drivers under 21; the adult limit is 0.08. (Iowa Driver's Manual, operating while intoxicated)

An Iowa intermediate license holder may drive to and from school on an otherwise restricted schedule only if:

• a.They drive faster than posted
• b.They carry the required documentation and follow its terms✓
• c.They have no passengers ever
• d.They avoid all highways

Iowa lets an intermediate driver drive unsupervised to and from school-related activities under specific documented conditions (such as a school authorization); otherwise the nighttime and supervision rules apply. (Iowa Driver's Manual, GDL)

Under Iowa's implied-consent law, refusing a chemical test after a lawful DUI arrest results in:

• a.No penalty
• b.A warning only
• c.Revocation or suspension of your driving privilege✓
• d.A lower fine

Driving in Iowa means you consent to chemical testing when lawfully requested; refusal results in revocation of your driving privileges. (Iowa Driver's Manual, implied consent)