Solution:

• Widal test is used to help make a presumptive diagnosis of enteric fever, also known as typhoid fever.

• Biopsy – Doctors use biopsies to test whether abnormalities in your body are caused by cancer or by other conditions.

• A bilirubin test measures the amount of bilirubin in your blood. It’s used to help find the cause of health conditions like jaundice, anemia, and liver disease.

• Shick test is a skin test used to determine whether or not a person is susceptible to diphtheria.