The correct option is B Androgen is produced by the ovary
Androgens, e.g. testosterone, are hormones produced by the Leydig cells or interstitial cells of testes. Androgens regulate the development, maturation and functions of the male accessory sex organs like epididymis, vas deferens, seminal vesicles, prostate gland, urethra etc. They also play an important role in stimulating the process of spermatogenesis.
The ovary produces two groups of steroid hormones called oestrogen and progesterone.
Glucagon is produced by the alpha cells of the islets of Langerhans of the pancreas.
Thyroxine is produced by the thyroid gland.
Oxytocin is produced by the hypothalamus and is stored in the posterior pituitary gland.