It was embarrassing when David Cameron failed the British citizenship test set by David Letterman on American television.

Could have been worse if Cameron had been on The Late Late Show and Craig Ferguson asked him about Scotland.

Here are some questions* for our Prime Minister of Scottish descent:

What does mony a mickle mak?

Name the main ingredients in Ma Broon's recipe for macaroon bars?

What happened to the flooers o' the forest at Flodden?

What's the postcode in the Address to the Haggis?

Is Irn-Bru made from girders?

Is a Glasgow kiss different from a Brigton nod?

What's a haddie, laddie?

Who played Kipper Lynch in Garnock Way?

Whose proud army was sent homewards to think again?

Why was Jock told to stop his tickling?

Is Francis Gay?

At what time of year do you go doon the watter?

What was the half-time score at the battle of Bannockburn?

What age is the Old Man of Hoy?

How many cullens are needed to make a pot of cullen skink soup?

At what temperature (in degrees Celsius) do you deep-fry a pizza?

Describe the method used in Dundee to differentiate a plain bridie fae an ingin in?

What is the other name for the Stone of Destiny? (Marks deducted for wrong pronunciation of Scone.)

Where will you hear the noise of the Tartan Army boys? Going up the road. Coming doon the road. In the Iron Horse pub after the match.

Cameronians are: A famous Scottish regiment. A country which nearly put England out of the 1990 World Cup. The main ingredient in macaroon bars.

*If you need answers, you've failed.