Cheers guys, I have Brian cosgroves book call the microlight pilots handbook. Good to know the test answer is wrong in this case. Ive also come across afew other wrong questions from this site, so it might be an idea to avoid these online tests for now....
And to all those trashing the simplistic explanation of flight, well, we all have to start somewhere, and i think a simplistic explanation works for me now, much like a lot of GCSE chemistry and physics is not actually correct, and then retaught in a more complex (and contradicory) manner at A level.....