34% knows the answer to this question: "What revolutionary medical treatment involves removing or harvesting eggs from a woman's body and fertilising them in a laboratory? "

And do you know the answer to this one? "What does keratin mean?"

42% knows the answer to this question: "As the story goes, what vodka-and-orange cocktail was named by oil workers for the tool they used as a swizzle stick? "

And do you know the answer to this one? "Apple Jacks cereal is flavored to taste like apples and which spice?"

46% knows the answer to this question: "Indochinese, Sumatran and Bengal are all types of what? "

And do you know the answer to this one? "Which major city in the UK is represented by the postcode 'B'?"

40% knows the answer to this question: "On a map, the direction at the top of the compass rose is what? "

And do you know the answer to this one? "What pop music group consisted of Anni-Frid Lyngstad, Björn Ulvaeus, Benny Andersson and Agnetha Fältskog?"

63% knows the answer to this question: "In the nursery rhyme "Hey Diddle Diddle", who had a fiddle? "

And do you know the answer to this one? "During Prohibition, Americans drank alcohol in 'speakeasy's' - what were they?"

47% knows the answer to this question: "Which US state was battered by Hurricane Andrew in 1992? "

And do you know the answer to this one? "Which human sweet treat can be fatal to dogs?"

89% knows the answer to this question: "Which animal's young are called foals? "

And do you know the answer to this one? "Which of these famous landmarks is partially located in Canada?"

52% knows the answer to this question: "Which "I" has the Star of David on its national flag? "

And do you know the answer to this one? "What branch of medicine looks at removed tissue or a whole dead body?"

91% knows the answer to this question: "Members of what "family" murdered actress Sharon Tate in August 1969? "

And do you know the answer to this one? "Because it is covered in iron oxide dust, what color does Mars appear to be from earth?"

30% knows the answer to this question: "What classic song contains the lyrics "And the forests will echo with laughter.."? "

And do you know the answer to this one? "In 1924, what dressing did a chef at New York's Waldorf Astoria create by adding pickles, cream and green peppers to Russian dressing?"

36% knows the answer to this question: "The 'Siege of Kimberley' was fought during which war? "

And do you know the answer to this one? "In Alaska's Prince William Sound, the Valdez spills 240,000 barrels of what company's oil?"

95% knows the answer to this question: "Vladimir Lenin was the founder of the What? "

And do you know the answer to this one? "What country's last king, Mohammed Zahir Shah, returned to the country after the US invasion, to open the Loya Jirga?"