Pusan must be spelled with a B, Chinese cities have to have thoroughly illogical, unpronounceable spellings that wouldn't be understood by the natives anyway. Cantonese food no longer comes from Canton, it's Guangzhou. Talk about a loss of time honored identity in the new global society.
When getting quiz material from Wikipedia, you should always have at least little knowledge of your own about the subject and give a double check. Overall it's a good quiz!