Uhm, my A2 Spanish mock was passed around the teachers due to the 'hilarity'
In the research part, I was not expecting the question (we'd only just started our research phase, so I wrote about how if global warming continues, then Cuba will become completely flooded and cease to exist.
I also wrote all about how I wished I was Winston Churchill...
And in a GCSE physics exam I answered "Why does Saturn have rings?" with: "On the 4th day, God made Saturn, and he liked it, so he put a ring on it."
Physics was never my strong point...