Click the Options icon of the quiz you want to edit . Click the Edit link .
Add Course Content to Quiz Question
You will use the Rich Content Editor to link to content in your quiz question. If you want to add course content to your quiz question, you can access it in the content list on the sidebar.
You can upload images and files from your desktop or link to images and files you have previously uploaded.
View Quiz Question with Image Added
The image will appear in your quiz question.
Add Images to Quiz Question
You can add course images into your quiz questions. Place your cursor where you want to embed the image. Click the Images  tab in the Content Selector. Search for the image  you want to add and click it to embed it in the Rich Content Editor. You can also upload a new image or find images on flickr .
Click the Update Question button to see the question before it is published.