80% knows the answer to this question: "What does the "U" in SUV stand for? "

And do you know the answer to this one? "What ingredient do you add to chop suey, basically, to get chow mein?"

38% knows the answer to this question: "What system helps animals exchange carbon dioxide and oxygen? "

And do you know the answer to this one? "What is the opposite to ordinary matter called?"

53% knows the answer to this question: "What do you call the seed in the middle of a cherry? "

And do you know the answer to this one? "From West Africa, Synseplaum dulcificum is called miracle berry, and its key ingredient, miraculin, produces what effect, one especially handy if you don't like lemons?"

94% knows the answer to this question: "Vienna is the capital of which country? "

And do you know the answer to this one? "The Rolling Stones had which of these hit singles in 1968?"

79% knows the answer to this question: "What is an uplifted area with a flat top called? "

And do you know the answer to this one? "Which word is spelled wrong?"

76% knows the answer to this question: "Who sang the famous song We Will Rock You (1977)? "

And do you know the answer to this one? "Who sang the famous song The River (1980)? "

69% knows the answer to this question: "Vatican City is the capital of what country? "

And do you know the answer to this one? "What is the level line in an artwork where land or water seems to end and sky begins?"

42% knows the answer to this question: "Who became the supreme leader of North Korea on December 28, 2011? "

And do you know the answer to this one? "What weather phenomenon was the Norse god Thor thought to control?"

46% knows the answer to this question: "One of the Queen's duties is to send messages to people celebrating what birthday? "

And do you know the answer to this one? "In what US state is the headquarters of the Mormon Church located?"

38% knows the answer to this question: "What type of dogs does Queen Elizabeth of England keep? "

And do you know the answer to this one? "Who was the ruler of the gods in Ancient Greece?"

71% knows the answer to this question: "The umbilicus is the medical term for which part of the body? "

And do you know the answer to this one? "The name of which medical condition comes from two Greek words meaning 'without' and 'blood'?"

30% knows the answer to this question: "What was the capital of ancient Greece? "

And do you know the answer to this one? "Colin Hanton, Tommy Moore, Norman Chapman, Pete Best and Johnny Hutchinson all played for the Beatles, before who finally signed on as the drummer?"