Misc: what colour is yak's milk?

Questions

Name the computer developed fromTuring's bombes at Bletchley Park to decode the German Enigma codes during World War 2.?

Who was Poet Laureate during World War One?

Which song composed by Sir Arthur Sullivan in sorrow over his brother's death became the most popular ballad of the nineteenth century?

From which part of a tree does turmeric come?

Which Oxford College's Chapel is also Oxford's Cathedral?