Really?
1. What is the maximum number of golf clubs a player is allowed to have in his bag while playing? - Golf... International sport, world #1 is American.
2. How many players are there in a Rugby League team? - Rugby League... International sport, world #1 is Australia.
3. Who wrote stories about a mischievous schoolboy known as just "William"? - Literature... English author, but worldwide market.
4. How many furlongs are there in a mile? - Imperial measurement... Now frowned upon in the EU and only in mass usage in US.
5. What was the former name of the UEFA Cup? - European football.
6. Which important financial institution is based at Llantrisant? - UK-centric.
7. At which Grand Prix did Fernando Alonso secure the 2005 F1 World Drivers' Championship? - F1... International sport. No good Brits left (except Jensen).
8. What is the correct plural of the word "Octopus"? - English language... As spoken throughout the world, including North America.
9. What's the name of the Hong Kong stock market index? - Hong Kong. Err...
10. Which band was fronted by Buster Bloodvessel? - Music, but English group.
So only 2 of the 10 can be claimed as UK-biased, really.