The Grand Nagus is the supreme leader of commerce for which Star Trek race, famous for its 285 Rules of Acquisition?

The First and Second Knights of the Grail are roles in which 1882 Wagner opera? The first four letters of "xylophone" come from the Greek word for which material, used for its sounding bars? The first entry in Reader's Digest's "Who's Who in the Bible" is which older brother of Moses? The Goliath bird-eater, whose leg span can reach about 11 inches, is a species of which spider? One of the largest natural harbors in the world serves which Nova Scotia capital? The heading varieties of which vegetable are divided into butterhead and crisphead types? Which North Korean leader, known as the "Dear Leader," oversaw his country's first nuclear test in 2006? The Hebrew title of which two-part Old Testament book can be translated as "the events of the days"?