If you can answer a question with only a "yes" or "no" response, then you are answering a closed-ended type of question.
Are you feeling better today?
May I use the bathroom?
Is the prime rib a special tonight?
Should I date him?
Will you please do me a favor?
Have you already completed your homework?
Is that your final answer?
Were you planning on becoming a fireman?
Should I call her and sort things out?
Is it wrong to want to live on my own at this age?
Shall we make dinner together tonight?
Could I possibly be a messier house guest?
Might I be of service to you ladies this evening?
Did that man walk by the house before?
Can I help you with that?
May I please have a bite of that pie?
Would you like to go to the movies tonight?
Is math your favorite subject?
Does four plus four equal eight?
Is that haunted house really scary?
Will you be going to Grandmother's house for Christmas?
Did Dad make the cake today?
Is there a Mass being held at noon?
Are you pregnant?