The correct option is A Oversecretion of GH stimulates abnormal growth of the body leading to dwarfism.
Oversecretion of GH (growth hormone) stimulates the abnormal growth of the body leading to gigantism and low secretion of GH results in stunted growth resulting in pituitary dwarfism.
The thyroid hormones regulate the metabolism of carbohydrates, proteins and fats.
In females, LH (luteinizing hormone) induces the release of ovum (ovulation) from fully mature follicles.
Vasopressin acts mainly on the kidney and induces reabsorption of water and electrolytes by the distal tubules and thereby reduces loss of water through urine (diuresis). Hence, it is also called antidiuretic hormone (ADH).