57% knows the answer to this question: "What anatomy part secrets insulin? "

And do you know the answer to this one? "People with a body mass index (BMI) less than 18 are classed as what?"

75% knows the answer to this question: "Which one of these is a continent? "

And do you know the answer to this one? "What pet is estimated to make up to 60 different sounds, ranging from purring to caterwauling to hissing?"

52% knows the answer to this question: "Which character is from the film "Erin Brockovich"? "

And do you know the answer to this one? "The climate of Iceland is best described as what?"

91% knows the answer to this question: "Lithography, invented in 1798, is a method of doing what? "

And do you know the answer to this one? "Name the musical that started its West End run in 1981?"

59% knows the answer to this question: "What exotic dancer was executed in France under charges of espionage for Germany during World War I? "

And do you know the answer to this one? "What warrior class's last stand was the 1877 Satsuma Rebellion that tried to unrestore the Meiji?"

82% knows the answer to this question: "Which location replaced the East Coast as the center of the American movie industry? "

And do you know the answer to this one? "Which civillisation ised a writing system made up of symbols called hieroglyphs?"

47% knows the answer to this question: "What is split into three sections called thoracic, cervical and lumbar? "

And do you know the answer to this one? "Complete the Small Faces hit song title, "... or Nothing"?"

89% knows the answer to this question: "What is the clear gel extracted from aloe vera leaves used for medically? "

And do you know the answer to this one? "What number comes after 'Catch' in a 1961 Joseph Heller novel?"

77% knows the answer to this question: "The world's 1500 giant pandas are found in the western area of what country, where their name is xiong mao, meaning "bear cat"? "

And do you know the answer to this one? "Because perspiration pools in your umbilicus, lint is attracted there and left behind when it dries out. Where?"

46% knows the answer to this question: "Fred, Wilma, Betty and Barney were characters in which 60s cartoon? "

And do you know the answer to this one? "What country is NBA basketball player Yao Ming originally from?"

67% knows the answer to this question: "Until early 2008, Fidel Castro was the ruler of what country? "

And do you know the answer to this one? "What animal features on the logo of Quantas Airlines?"

73% knows the answer to this question: "Anthony Perkins most famous role to date was Norman Bates from what film? "

And do you know the answer to this one? "Which is the American city among the European countries?"