Australian Year 10 Civics Practice Test 2026 – Comprehensive Exam Prep

The key idea is that courts have the power of judicial review: they check whether laws fit the Constitution and can strike them down if they don’t. When a law is found unconstitutional, the judiciary nullifies it, acting as a constitutional safeguard that keeps Parliament from overstepping constitutional limits. Parliament makes laws, the executive enforces them, and the judiciary interprets and applies them; the judiciary’s special power is to invalidate legislation that breaches constitutional principles. This is why the statement about striking down unconstitutional laws is the best description.