GnRH directly stimulates the release of FSH estrogen testost

GnRH directly stimulates the release of: FSH. estrogen. testosterone Androstenedione All of these are correct.

Solution

Ans 27: Gonadotropin-releasing hormone (GnRH), also known as luteinizing hormone-releasing hormone, a neurohormone consisting of 10 amino acids that is produced in the arcuate nuclei of the hypothalamus. GnRH stimulates the synthesis and secretion of the two gonadotropins—luteinizing hormone (LH) and follicle-stimulating hormone (FSH)—by the anterior pituitary gland.

In rats that are deprived of their pituitary gland and ovaries but are given physiological amounts of estrogen,so this option is not correct. Therefore; GnRH directly stimulate the release of two secretary harmone one is LH and other one is FSH,so option A is correct.