Is a yes or no question multiple choice?
Yes/no questions are multiple-choice questions with only two choices: Yes and No.
What is it called when an answer is yes and no?
In linguistics, a yes–no question, also known as a binary question, a polar question, or a general question is a question whose expected answer is one of two choices, one that provides an affirmative answer to the question versus one that provides a negative answer to the question.