It's quiz time!

Quiz of the week's quiz

It's the World News 7 days 7 questions weekly quiz - a chance to find out how much global news from the past week you've read, heard and watched... and how much has lodged in the old grey matter.

1.) Multiple Choice Question

What's the significance of 21 October, 2011?

The revised date for the end of the worldAir quality above Iceland due to return to normalErroneous date Barack Obama put in Westminster Abbey's visitor book

2.) Multiple Choice Question

Denmark has banned the savoury spread Marmite under food safety regulations. But why?

Salt levelsAdded vitamins and mineralsYeast is strictly regulated in Denmark

3.) Multiple Choice Question

French finance minister Christine Lagarde is in the running to replace Dominique Strauss-Kahn as IMF chief. As well as a career in law, she was once a national champion in which sport?

Horse ridingSynchronised swimmingHandballWomen's rugby

4.) Missing Word Question

* 'may spread diseases'

VuvuzelasAsh cloudPyjamas

5.) Multiple Choice Question

Barack Obama in his ancestral village of Moneygall, Ireland. "I just want you to know the president pays his bar tab," he said, handing over a 50-euro note. A pint of Guinness cost 4.20 euros in this pub - how much change did he get?

50 euros - drinks on the house45.8 eurosNone

6.) Multiple Choice Question

The Hollywood Chamber of Commerce is to fight plans to erect a "Wellywood" sign in Wellington, New Zealand, home of director Peter Jackson. What did the famous original advertise when it was first built?

Film studioHousing developmentCigarettes

Info

The Hollywood Chamber of Commerce holds the trademark to the Hollywood sign, and says Wellington needs permission to copy it. The New Zealand capital wants its own version to celebrate its burgeoning film industry.

7.) Multiple Choice Question

And finally, the birthday question. Bob Dylan celebrated the big 7-0 this week. Sir Ian "Gandalf" McKellen and Joan "Dynasty" Collins also had birthdays. But who is t