Forensic Medicine A mentally ill person smells unpleasant odor when none is present. This is an example of: COMEDK 07; KCET 13 A Illusion B Delusion C Obsession D Hallucination 💡 Explanation A mentally ill person smells unpleasant odor when none is present. This is an example of: COMEDK 07; KCET 13 ✓ Correct Answer: D. Hallucination