1. Australia's highest mainland mountain is named after a Polish national hero. What is it called?

2. What is Australia's longest river?

3. Which is Australia's largest state?

4. What is the capital of the Northern Territory, and after whom is it named?

5. Which city was the seat of Australia's federal government from 1901 until 1927?

6. Canberra's central lake is named after the American architect who, with his wife, designed the city. Who was he?

7. Which stretch of water separates Tasmania from the mainland?

8. In which state are the Twelve Apostles rock stacks, on the Great Ocean Road?

9. In which city is Bondi Beach?

10. What is the Aboriginal name, officially adopted in 2023, of Fraser Island, the world's largest sand island?

11. What does "Nullarbor", the name of the vast plain in southern Australia, mean?

12. Which mostly dry salt lake is the lowest point in Australia?

13. Between which two cities does the Indian Pacific train run?

14. The Ghan train runs from Adelaide to Darwin. Who is it named after?

15. What is the largest living marsupial?

16. To which family of birds does the kookaburra belong?

17. What is the largest living reptile, found in northern Australia?

18. Cane toads were introduced to Queensland in 1935 to control beetles in which crop?

19. What was built across Western Australia in the early 1900s to keep out an animal pest?

20. To the nearest million, what is Australia's population?