MOODLE Quiz creation is done using various techniques and various version of Moodle have been used. the following videos will make you to understand on the creation of questions in moodle. This also features how to conduct a quiz examination successfully using moodle.
MOODLE and Hot Potatoes - Version 3
Quiz Creation in MOODLE
Moodle and hot potatoes - Version 2
MOODLE LIVE Demo on Quiz