The correct answer is option 1, Cortisone. Cortisone is a hormone that belongs to the class of steroids. Steroids are a type of hormone that are derived from cholesterol. They have a unique structure that consists of four rings of carbon atoms.

Cortisone is produced by the adrenal glands, which are located on top of the kidneys. It plays a crucial role in regulating various bodily functions such as metabolism, immune response, and stress response. Cortisone helps to reduce inflammation and swelling in the body.

Option 2, Glucagon, is not a steroid hormone. Glucagon is a peptide hormone that is produced by the pancreas. It acts to increase blood sugar levels by promoting the release of stored glucose from the liver.

Option 3, Insulin, is also not a steroid hormone. Insulin is a peptide hormone that is produced by the pancreas. It plays a vital role in regulating blood sugar levels by promoting the uptake of glucose from the bloodstream into cells.

Option 4, Oxytocin, is a peptide hormone and not a steroid hormone. Oxytocin is produced by the hypothalamus and released by the posterior pituitary gland. It is involved in various reproductive functions, such as childbirth