Aldosterone is secreted by:: (A) Pituitary, (B) Zona glomerulosa, (C) Zona fasciculate, (D) Adrenal medulla
Answer is B. Adrenal gland is divided into adrenal cortex and adrenal medulla, the cortex is further subdivided into 3 parts, listing them from outside to inside for production of different hormones.
Zona Glomeruosa : Mineralocorticoids
Zona Fasciculata : Glucocorticoids
Zona Reticuaris : Sex Steroids Also Know

Aldosterone : ↑Conn's
                      ↓Addisons
Cortisol : ↑Cushing syndrome
Sex Sterioids hyperplasia : ↑Congenital adrenal
                                            ↓ Hypogonadism
Medulla Tumour : Pheochrom cocytoma