You edit category specific questions within the following admin tool:
CATEGORIES > CATEGORIES
Navigate to the category within the above admin tool. Click the MANAGE button next to that category like in the following screenshot:
Once you click that you'll see a popup like this where you would click Questions:
Once you click that you are lead to a page like:
Within that screenshot you'll see the current list of category specific field attached to that category if any. This explains those columns:
<tip c n>When you delete a category specific question that does delete it from the system and will not appear in any future listing placement processes and also from any listing edit processes. But deleting the question from the system does not delete it from current listings in the site. To delete from a current listing that listing would need to be edited and then saved. As that question will not appear in the edit process it's value can't be saved and thus disappears from the listing. </tip>
To edit any of the current questions click the edit button next to it. Once you click the edit button you'll see a page like the one below to manage the details for that question. To delete one click the delete button next to it.
To edit any questions in the above screenshot click the edit button next to it. When you do that you'll see a page like the following:
Next you'll see the edit tool for that category question. There will be a section for each language on your site and a couple common configurations no matter the number of languages. Below is a screenshot of that page: