Which is an example of an open-ended question?

is smoking in public places banned in the state of virginia?

how does secondhand smoke affect health?

how many states ban smoking in restaurants?

does east street grille on main street allow smoking?

The correct answer for this question is this one: "How does secondhand smoke affect health?"

Among the following choices, an example of an open-ended question is the question How does secondhand smoke affect health? There is no direct answer to that question.
Hope this helps answer your question and have a nice day ahead.

The correct answer is option a.