Canadian citizenship test practice question · History
Which medical discovery was made by Frederick Banting and Charles Best?
Answer options
- The pacemaker
- InsulinCorrect
- Penicillin
- The X-ray
Answer: Insulin
Banting and Best discovered insulin, which has saved millions of lives. The pacemaker was invented by another Canadian, Dr. John A. Hopps.
Checked November 7, 2026