"A number of laws in Australia protect a person from being treated differently from others. You may not discriminate based on attributes such as age, disability, race, sex, gender identity, and sexual orientation. "
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.