Take the 10 question quiz on-line Religious IQ Test at CNN.
The accompanying article, "Don't Know Much About Religion? You're Not Alone." is based on a 32 question poll from the Pew Forum on Religion & Public Life. The results are striking:
"It's not the evangelicals or Catholics who did best -- it's atheists and agnostics. It's not Bible belt southerners who score highest -- they came at the bottom. Those who believe the Bible is literally the Word of God did slightly worse than average. . ."