OK. That test takes a bunch of generally correct assumptions and takes them absolute truths, has a bunch of stuff that varies by region, is utterly unimportant to anyone not living in the US and some things are just plain wrong.
14 out of 25. Got the draining water question right, thanks to The Simpsons.
Best of all? The answer is wrong. The hemisphere has no influence on the rotation on draining water, only currents created by tapping the water and the geometry of the container being drained.