42% knows the answer to this question: "Which of the following is a bird? "

And do you know the answer to this one? "What does a king cobra use to immobilize and kill its prey?"

87% knows the answer to this question: "What term is used to describe cosmetic plastic surgery? "

And do you know the answer to this one? "Israel launched Operation Protective Edge in which area in 2014?"

54% knows the answer to this question: "Despite having only about 50,000 people, Cheyenne is the capital and largest city of what state? "

And do you know the answer to this one? "A rock or hill which is flat-topped with steep sides is called what?"

55% knows the answer to this question: "What U.S. state declared independence from Mexico in 1836? "

And do you know the answer to this one? "In 1997, NASA's Pathfinder space probe lands on the surface of which planet?"

81% knows the answer to this question: "What shark has a flat, T-shaped head that make it stand out from other sharks? "

And do you know the answer to this one? "What is one of the main crops grown in Vietnam?"

58% knows the answer to this question: "Harry Styles is a member of which boy band? "

And do you know the answer to this one? "Finish this line of Sir Mix-a-Lot lyrics: "I like big butts and I can not lie - You other brothers can't ___________"."

56% knows the answer to this question: "What does an ornithologist study? "

And do you know the answer to this one? "What is a cell that provides energy for another organism called?"

71% knows the answer to this question: "On 13 June 1990, what did the East German military officially begin doing? "

And do you know the answer to this one? "What treaty ended the First World War and imposed heavy reparations payments on Germany?"

50% knows the answer to this question: "What kind of precipitation is drizzle? "

And do you know the answer to this one? "Which species best matches this description, "high-jumping, lightly-built antelope from Southern Africa"?"

53% knows the answer to this question: "What is the Danish word for 'Danish'? "

And do you know the answer to this one? "Which of these borders Spain in the north?"

71% knows the answer to this question: "Who had a hit song in the 1960's with "It's Not Unusual"? "

And do you know the answer to this one? "Who had a hit in 1969 with the song "Sweet Caroline"?"

70% knows the answer to this question: "What does the description "the four dials of the clock are 23 feet square" best describe? "

And do you know the answer to this one? "In 2014, Bohuslav Sobotka became the Prime Minister of which Eastern European country?"