Misc: In 1934 Charles "---------- " Floyd shot dead by FBI in Ohio. ?

Questions

which english agriculturist's name was adopted to become well-known in the pop music world?

The royal collection of which animal is kept at London zoo?

Who was the last monarch to lead his troops in battle in 1743?

What must the lord chancellor do when he or she presents the Queen's speech to the monarch?

Queen Victoria lost her husband, Albert, when he was 42. How did he die?