Yes/No question with an explicit N/A option

1. What is an example of a yes or no question?
2. Which of the following is a correct rule for yes-no question?
3. What are yes-no type questions called?

What is an example of a yes or no question?

We form yes-no questions with an auxiliary verb (be, do or have) + subject + main verb or with a modal verb + subject + main verb: Be: Is she working very hard? Were they travelling together? Do: Does that taste okay?

Which of the following is a correct rule for yes-no question?

The “question element” is formed according to the following rule: The Y/N Question Rule: To form a yes/no question in English, transfer the first auxiliary verb that appears before the main verb in the positive sentence to the position before the subject.

What are yes-no type questions called?

Questions that make respondents answer with a simple "yes" or "no" are called dichotomous questions.