The correct answer is option (3) because • Epinephrine is an emergency hormone, also known as adrenaline and is secreted from adrenal medulla. • Thyroxine is secreted from thyroid gland and plays an important role in regulation of basal metabolic rate. • Oxytocin is a peptide hormone synthesised by hypothalamus and released by posterior pituitary. It causes smooth muscle contraction. • Glucagon is secreted from α -cells of pancreas, acts mainly on hepatocytes and stimulates glycogenolysis resulting in an increased blood sugar level or hyperglycemia.