Force User to Answer Question Correctly Before Proceeding

We have questions at the end of our chapter, but they are not part of a test. I'd like to have the user answer each question correctly before continuing to the next question. Does anyone know how to do this? Thanks!We have questions at the end of our chapter, but they are not part of a test. I'd like to have the user answer each question correctly before continuing to the next question. Does anyone know how to do this? Thanks!

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