Itamar Tzadok

I checked that with 2 questions and the radio buttons seem to be there. Can you try again and see if the number of questions has anything to do with that?

1. Yes. That should be at the bottom of the questions section (right section) of the quiz edit page (where you add questions to the quiz).
2. If by student folder you mean a folder where a student can upload files and images then I think the answer is currently no. I think there was a discussion on that or a related issue just recently. What you can do is mimic a home folder by using an activity such as a forum or a database (personally I prefer the flexibility of the database) in separate groups and a group for each student and a size limit you preset, and that will allow students to upload files to their private folder (private to the extent that only you and the student can access that content). If you want to allow students to share you can use visible groups mode, etc.

Itamar

In a Moodle course where you would typically offer these quizzes to students you have the administration block with the following links

Administration

Files is the second last. You go there and it is just like standard folders where you can upload files create more folders etc. So you upload the file and then it gets a url which you copy and assign to the script src attribute.
But you can also store the file in your installation directory but you need its web url rather than the physical path. So you can store it in the quiz folder of your Moodle installation as in

http://demo.moodle.org/mod/quiz/script4rb19.js

I hope that helps.

Just in case what you mean is that you would like to have the correct and incorrect images that usually go with the Moodle fields, try the attached revised example files.

Not sure I understand.

Which X are you referring to? Those which should appear next to the Moodle field when it is displayed?