96% knows the answer to this question: "Vasoconstrictors are drugs used to constrict what? "

And do you know the answer to this one? "Professor Christiaan Barnard was the first person to perform a transplant of which organ in 1967?"

92% knows the answer to this question: "What was that again? You don't know acoustics is? Say what? It's what, now? "

And do you know the answer to this one? "Male crocodiles are known as what?"

92% knows the answer to this question: "What is the capital of Japan and the most populous metropolitan area in the world? "

And do you know the answer to this one? "What juice is served with champagne in a mimosa, and with vodka in a screwdriver?"

93% knows the answer to this question: "What prefix means 10? "

And do you know the answer to this one? "What is the name of the spice that grows as a tall, tropical green grass with the taste of a yellow fruit?"

97% knows the answer to this question: "What is the head of the U.S. Supreme Court called? "

And do you know the answer to this one? "By definition, which of these will you not find on a BLT sandwich?"

100% knows the answer to this question: "What singer/dancer insured both his legs (for $75,000) and both his arms (for $20,000)? "

And do you know the answer to this one? "What director got his middle name, both from the car company that sponsored his dad's radio show and from the man for whom the hospital in which he was born was named?"

99% knows the answer to this question: "Which iconic fast food chain expanded rapidly in the 1980s, creating thousands of jobs? "

And do you know the answer to this one? "Which one of the following means "a place for instruction"?"

99% knows the answer to this question: "What is the name for small spots of pigment on the skin? "

And do you know the answer to this one? "Which fruit has short, sharp leaves rising from its top?"

98% knows the answer to this question: "The amount of mineral matter per square centimetre of bones is known as what? "

And do you know the answer to this one? "When the ... gets tough, the tough get going"

99% knows the answer to this question: "What is the name for any plant used for flavoring, food, medicine or perfume? "

And do you know the answer to this one? "What is the clear, straw coloured part of your blood called?"

98% knows the answer to this question: "Which of these celebrities publically endorsed Barack Obama in early 2008? "

And do you know the answer to this one? "Civil rights activists marched from Selma to Montgomery in which US state in 1966?"

97% knows the answer to this question: "What was the first name of 1920s British crime writer Mrs Christie? "

And do you know the answer to this one? "What was President Ford's first name?"