Brainteaser

Today's brainteaser is a general knowledge 'Trivia', ten questions on a variety of subjects.

01 Which operetta by Gilbert and Sullivan is named after the emperor of Japan?
02 Where are the Needles?
03 What is a lute?
04 Which of the armed services has the motto 'Per Ardua Ad Astra'?
05 Who painted the famous painting called 'The Last Supper'?
06 How long is a millenium?
07 What type of tree has leaves all the year round?
08 Who travel in Black Marias?
09 What are monsoons?
10 Where is poteen drunk?

Good luck with your answers!