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Iowa driver's examination

(From the 2019 Iowa driver handbook)
Number of tests: 24
Number of questions: 35
Passing score: 28
Directions: To get an Iowa’s license, you will have to take the vision screening and a knowledge test if you have an invalid or expired (over one year) out-of-state license, or if you have not had a driver’s license before. If you have a valid out-of-state license that allows you to drive by yourself, the driving test may be waived.

The Iowa knowledge test shows how well you understand road signs, traffic laws, and safe-driving practices. Everything you must know to pass the knowledge test is in Iowa Driver’s Manual guide. The Knowledge tests include 35 multiple choice questions

If you answer at least 28 questions correctly. you will be well prepared to take the knowledge test for your learner's permit.
You have made error so far
Passing grade —
7 or fewer errors
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1.
Certain highway signs require drivers to obey an indicated instruction. Such signs are known as:
Regulatory signs.
Warning signs.
Information signs.
Guide signs.
2.
Headlights are required when visibility is less than:
100 feet.
300 feet.
500 feet.
3.
This road sign means:
georgia pedestrian crossing road sign
School crossing.
Pedestrian crossing.
Jogging trail.
4.
Any amount of alcohol in the blood may affect a driver's:
Right-of-way privileges.
Judgment and physical coordination.
Knowledge.
5.
If a green arrow turns into a solid green light, you:
May still turn, but you must yield to oncoming traffic.
May no longer turn and must proceed straight.
Still have the right-of-way to turn.
No longer have to turn in the direction that the arrow indicated.
6.
Before passing another vehicle, you should signal:
Just before changing lanes.
At any time.
After changing lanes.
Early enough for others to know your plans.
7.
This symbol is used for:
iowa slow moving vehicle road sign
Dangerous intersections.
Slow-moving vehicles.
Yield signs.
8.
This road sign means:
virginia yield road sign
Drive with caution and be ready to slow down.
Do not drive in this lane.
You must come to a complete stop and yield the right-of-way.
Slow down, be prepared to stop, and, if necessary, yield the right-of-way.
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