Question taxonomy
Question bank in a tree view.
Click one branch to unfold it. Other branches fold back automatically. The same rule applies inside each first-level branch, so only one second-level branch stays open at a time.
Questions loaded
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Top-level groups
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Data file
JSON
Accordion tree
Browse by category
The page is data-driven. Replacing the JSON file is enough to swap in a larger question set later without changing the UI.