To add a Yes/No to your Form, use the Add Question dialog.
In the Question input, you enter the question you want to have answered.
You can optionally add a Description, a longer text fleshing out your question, by using the Description toggle and entering the text you want.
If desired, you can add an Image or a Video to your Question. You can use either one, but not both at the same time. Learn more about Images and Videos.
Use the Required toggle to control if the Respondent has to answer the Question to continue or not.
If desired you can customize the Yes and No texts, the defaults are, predictably: Yes and No respectively.
You can select between two different icon sets: Thumbs Up/Thumbs Down or Check/Not Check.
Select Questions support Scoring. Read all about Scoring.
Select Questions support Jumps. Read all about Jumps.