Mastermind questions (intermediate)

SCIENCE
1. Blood is filtered by which pair of organs?	the kidneys
2. Which planet is the fifth from the sun?	Jupiter
3. Who developed the theory of relativity?	Albert Einstein
4. Which chemical element is represented by the symbol N?	nitrogen
5. In which organelle of a living cell is DNA found?	nucleus
6. Which travel faster, light or sound waves?	light waves
GEOGRAPHY
1. In which country is Mount Everest?	Nepal
2. Which continent has the biggest population?	Asia
3. What is the capital city of New Zealand?	Wellington
4. In which continent is the Sahara desert?	Africa
5. Name the two longest rivers in the world.	Amazon and Nile
6. Which ocean is to the east of Africa?	Indian Ocean
SPORTS
1. What is longest running race in the Olympic Games called?	the marathon
2. Who won the 2003 British Open golf tournament?	Ben Curtis
3. In snooker, what is the colour of the last ball potted?	black
4. What nationality is the tennis player Lleyton Hewitt?	Australian
5. In which sport can you throw a 'curve ball'?	baseball
6. Which team won the 2003 Formula One car racing championship?	Ferrari
MUSIC
1. Which pop singer married British movie director Guy Ritchie?	Madonna
2. Which rock group did George Harrison belong to?	The Beatles
3. Which classical composer became deaf near the end of his life?	Beethoven
4. How many strings does a bass guitar usually have?	four
5. In what country did reggae music originate?	Jamaica
6. How many instruments are there in a string quintet?	five