1 Who is fed royal jelly by her workers?

2 Which summer and autumn phenomenon that attracts tourists to Wiltshire fields have been blamed on artists, pranksters and UFOs?

3 What is a monkey puzzle?

4 London Zoo is in which Park?

5 What was the first vitamin to be discovered and named?

6 What does an ornithologist study?

7 Which Hungarian journalist's surname has become a generic term in the UK for a ballpoint pen?

8 What is the national tree of England, Germany, France and the USA?

9 Which birds were traditionally used as gas detectors in coal mines?

10 Which slow-moving South American mammal hangs upside down from branches feeding on leaves and fruit?