Sorry it's taken so long, been a busy day.
1.In a mobile phone SIM card, for what does the letter I stand for?
Information?
2.How are the obverse and the reverse better known on coins?
Heads and Tails.
3.How many lines are there in a sonnet?
17?
4.In chess, what is the only piece able to jump over other pieces?
King.
5.According to the proverb, all roads lead to which Italian city?
Rome?
6.John Bird was the founder of which homeless magazine?
7.When spoken by a police officer, what do the letters RTA stand for?
8.Who is the author of the Harry Potter books?
JK Rowling.
9.Which two colours are Dennis the menace's jumper?
Red and Black.
10.Which weighty nautical object is dropped below the sea to keep a ship stationary?
Anchor.
Thanks for running this QM, shame I couldn't have done a bit better, only got 13 max and more likely got 11/20.