The correct option is B Growth hormone
Insulin is secreted by islets of Langerhans of pancreas while progesterone is secreted by corpus luteum and placenta. Thyroxine is a thyroid hormone while secretin is secreted by endocrine cells of the duodenal wall. Growth hormone is secreted by anterior pituitary gland. It is a peptide hormone that stimulates the growth and cell division. Thus, the correct answer is option B.