You don’t need much knowledge to get many correct answers, just answer the opposite of what can be considered common sense in our part of the world at least, that should give you a good score http://crime.about.com/library/blgunquiz_tx.htm
Why did I do a search for Texas Gun Laws? I read this article about the grandma in Texas threatening a Danish journalist with a gun because he came to close to her house http://www.vg.no/nyheter/utenriks/artikkel.php?artid=504230 I would not state that Texas is my preferred place to go on vacation.