91% knows the answer to this question: "The famous opera house in which Australian city opened in 1973? "

And do you know the answer to this one? "Who got into Guinness for his record 15 roles in the film Chinese Zodiak, including director, producer, actor, fight choreographer and composer?"

37% knows the answer to this question: "To which food groups do a hot dog and a bun belong? "

And do you know the answer to this one? "Which of the following is not a root vegetable?"

79% knows the answer to this question: "What is the only mammal capable of true flight? "

And do you know the answer to this one? "What system helps animals exchange carbon dioxide and oxygen?"

76% knows the answer to this question: "What is the classification of a red wolf? "

And do you know the answer to this one? "Finish the country's name: Democratic Socialist Republic of Sri _______."

46% knows the answer to this question: "Alcatraz Prison in which US city closed in 1963? "

And do you know the answer to this one? "What flour tortilla, rolled and tucked around its filling, gets its name from "little donkey"?"

32% knows the answer to this question: "In what style of art does the artist apply paint rapidly to a large canvas to show emotion? "

And do you know the answer to this one? "Prosciutto e Melone is included in which cuisine?"

95% knows the answer to this question: "A bison is classified as which of these? "

And do you know the answer to this one? "What do you call a series of photographs projected onto a screen which creates the illusion of motion?"

75% knows the answer to this question: "Who sang the famous song "Purple Rain" (1984) "

And do you know the answer to this one? "Who sang the famous song "Careless Whisper" (1984)"

88% knows the answer to this question: "Because it is covered in iron oxide dust, what color does Mars appear to be from earth? "

And do you know the answer to this one? "What monster was supposedly photographed by London gynecologist Robert Wilson in 1934?"

72% knows the answer to this question: "Yogurt is produced by bacterial fermentation of what? "

And do you know the answer to this one? "What does the immune system use to recognize bacteria and viruses?"

50% knows the answer to this question: "Like cats, genets usually kill their prey with a bite to which part of the body? "

And do you know the answer to this one? "Krishna and Vishnu are Hindu gods worshipped in which of these countries?"

35% knows the answer to this question: "What are scientists who study animals called? "

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