Among the given options, option 3, Scurvy, is a deficiency disease. Deficiency diseases occur when the body lacks essential nutrients or vitamins, leading to specific health problems. Scurvy is caused by a deficiency of vitamin C, which is vital for collagen synthesis, proper immune function, and iron absorption. Symptoms of scurvy can include fatigue, swollen and bleeding gums, joint pain, and weakness.

Options 1 (Asthma), 2 (Jaundice), and 4 (Cancer) are not deficiency diseases. Asthma is a chronic respiratory condition characterized by inflammation and constriction of the airways. Jaundice is a condition where the skin and eyes turn yellow due to the accumulation of bilirubin in the body. Cancer is a complex disease caused by the uncontrolled growth of abnormal cells.

Therefore, the correct answer is option 3 - Scurvy.