Judeo-Christian a "term used to describe the body of concepts and values which are thought to be held in common by Judaism and Christianity, and typically considered (sometimes along with classical Greco-Roman civilization) a fundamental basis for Western legal codes and moral values." [Wikipedia]
A term that (again according to Wikipedia) that wasn't used in it's current meaning until World War II where some believe it was created to replace "Christian civilisation" to avoid sounding anti-Semitic. Some argue that the term infers more common ground between the two faiths than actually exists.
To me the question serves one purpose only, to solidify the answer to a question that shouldn't be solidified. It also uncomfortably infers a link between church and law that I'm not really happy with.
I certainly wasn't taught any of this at school.
Meanwhile, how's this for a loaded question on our citizen test:
Women in Australia were allowed to vote with no restrictions in:
Look it up. I said "no restrictions."