My GCSE Biology was an absolute cakewalk. We spent ages revising and going over everything we'd learned, then when we got the exam, none of it came up. None of it. Everyone thought they'd messed up and given us a children's reading comprehension test or something.
YOU HAVE A BOWL OF GOLDFISH. WHAT MUST YOU REMEMBER TO DO?
A) SET THE VIDEO RECORDER FOR RICHARD AND JUDY
B) GO TO TESCO
C) PUT THE BOWL IN THE MICROWAVE FOR 90 SECONDS
D) FEED THEM REGULARLY SO THEY DON'T DIE