(a) Name the hormones secreted by the following endocrine glands :
(i) Thyroid gland
(ii) Parathyroid glands
(iii) Pancreas
(iv) Adrenal glands
(b) Write the functions of testosterone and oestrogen hormones.

(a)
(i) Thyroxine
(ii) Parathormone
​(iii) Insulin
(iv) Adrenaline

(b) The functions of testosterone hormone is to control the development of male sex organs and male characters such as deepening of voice, moustache, beard and other body hair.
The functions of oestrogen hormone is to control the development of female sex organs and female characters such as feminine voice and soft skin.