"In Australia, juries are selected by randomly choosing ordinary citizens from the electoral roll. Potential jurors receive a summons to attend court, where they may be selected to serve on a jury through a random draw process."
Australian Citizenship Test gives you access to many more tests than just the one practice test available on the government website. That official sample test is good for giving you an idea of what to expect on the real test. But it can't help you prepare fully. Nor does reading the Australian Citizenship: Our Bond material alone.