Q1. Which one of the following is not a viral disease?
Explanation
Typhoid is not a viral disease; it is a bacterial disease caused by Salmonella Typhi and is usually spread through contaminated food or water. AIDS is caused by HIV, which is a virus. Dengue is caused by dengue virus and is transmitted mainly through Aedes mosquitoes. Influenza is also a viral respiratory disease caused by influenza viruses. Since the question asks for the disease that is not viral, typhoid is the correct choice.
