The right to legal representation, the right to legal aid There is no constitutional requirement for the Commonwealth to legislate This quiz will test your knowledge of the Australian legal system. The legal system and laws of Australia are based on parliamentary democracy, and the constitution was introduced in 1901. As a law student, what do you know about law and understand the whole system and laws? The quiz below should see what you know. Try it and find out! A duty of care is due. The duty of care was breached. Injury or damage occurred as a result of this violation. The right to the presumption of innocence, the right to bail The right to a jury trial, the right to the presumption of innocence.