question_answer 17)

  Corpus luteum secretes a hormone called (a) prolactin                        (b) progesterone             (c) aldosterone                 (d) testosterone

Answer:

                  (b) Corpus luteum secretes a hormone called as progesterone which supports pregnancy and stimulates development the mammary gland for the milk production in female. Prolactin also known as luteotropic hormone, its a protein hormone that is involved in production of milk in females. The source for prolactin secretion is anterior pituitary gland. Testosterone stimulates muscular growth, growth of facial and axillary hair, aggressiveness, low pitch of voice, etc. The source for the secretion of testosterone is Leydig cells or interstitial cells. Aldosterone is secreted by adrenal cortex and plays a role in reabsorption of sodium ions, etc.