Goitre is mostly caused by what deficiency?

More Questions:

What relation to you is your uncle's father?

In 1934, five years before his retirement, who became the first athlete to appear on a Wheaties box?

What sport's Hall of Fame is located in Cooperstown?

By what name was basketball coach Arnold Auerbach better known?

What US state includes the telephone area code 608?

What electronics company used the ad slogan "Just Slightly Ahead of Our Time"?

What area on the tip of South America has a name which translates as "Land of Fire"?

Richmond is the capital of which US state?

Thunder Bay is located in which country?

What is a female chicken between the ages of eight weeks and one year old called?

Which actor's real name is Emanuel Goldenberg?

Which classic TV show had a theme tune entitled "Quiz Wizard"?

Why did the Mongolians fail to invade Japan?

The "Althing" is the national parliament of which country?

Who runs the "Leftorium"?