Random Quiz is an add-on for creating quiz with Google Forms in the Google Sheets workspace. The main features of Random Quiz are: 
Give each student a different test (not only messing up the order of questions as Google Form can do, Random Quiz creates the same tests about the content of the questions, but the numbers in the questions are completely different), when students take the test online, they will not be able to talk to each other about the results of the questions; 
Upload all images at once and automatically insert each image into each corresponding question; 
Set a time for the test; Statistics scores from tests with just one click.
This utility is best suited for teachers of Physics.