What is the name of the enzyme that causes browning in cut apples?
Answer
polyphenol oxidase
16373 Hard Trivia Questions
16373 public questions at this depth. How many can you answer?
What is the chemical name for the pungent compound in wasabi?
Answer
allyl isothiocyanate
What year was the first Caesar salad created?
Answer
1924
What chemical compound causes tearing when cutting onions?
Answer
Propanethial S-oxide
What French technique cooks food in a sealed paper packet?
Answer
En papillote
What German count built the first successful airship in 1900?
Answer
Ferdinand von Zeppelin
What 1916 battle on the Western Front saw over a million casualties?
Answer
Battle of the Somme
Who rediscovered the Inca citadel of Machu Picchu in 1911?
Answer
Hiram Bingham
In 1934, what event saw Hitler purge his own paramilitary SA?
Answer
Night of the Long Knives
What 1923 earthquake devastated Tokyo and Yokohama, killing over 100,000?
Answer
Great Kantō earthquake
What 1979 nuclear power plant accident in Pennsylvania raised public concern about safety?
Answer
Three Mile Island accident
Who was the first person to break the sound barrier in level flight in 1947?
Answer
Chuck Yeager
What Soviet cosmonaut performed the first spacewalk in 1965?
Answer
Alexei Leonov
What 1908 explosion in Siberia is believed to have been a meteoroid air burst?
Answer
Tunguska event
What was the name of the Wright brothers' first powered airplane?
Answer
Wright Flyer
What principle states that no two electrons can have the same set of four quantum numbers?
Answer
Pauli exclusion principle
What radioactive isotope of carbon is used in radiocarbon dating?
Answer
Carbon-14
What is the most common isotope of uranium found in nature?
Answer
Uranium-238
What is the name of the Japanese plum wine?
Answer
Umeshu
Which manuscript contains the only surviving complete copy of 'Beowulf'?
Answer
Nowell Codex
Which sound change affected English long vowels from the 15th to 18th centuries?
Answer
Great Vowel Shift
What is the name of the English writing system used before the Latin alphabet?
Answer
Anglo-Saxon runes
Which ancient Greek sculptor is credited with the Venus de Milo?
Answer
Alexandros of Antioch
Which artist made 'The Dinner Party'?
Answer
Judy Chicago
Which artist created the sculpture 'The Gates of Hell'?
Answer
Auguste Rodin
Which enzyme hydrolyzes ATP to provide energy for muscle contraction?
Answer
Myosin ATPase