To add a True or False question:
Click on the blue + button (or the "add" icon, in the more recent version)
Choose "True or False" from the Question types
Type a statement and select whether it's true or false:

Within questions and answers you can add content such as images, video*, audio*. math features, emojis* and more by clicking on the + sign. NEW: You can now search for your image directly on Google!:

Please note: features marked with an asterisk* are available with a Partner license. Want Partner Features? Find out more here.