1. True or false: Adrenaline is secreted by pancreas.   True   False   2. Thyroxine contains - bromine, chlorine, fluorine or iodine?   Bromide   Chlorine   Iodine   Fluorine   Hint Half-n-half Clue   3. Islets of Langerhans secrete   Insulin   Thyroxine   Growth hormone   Adrenaline   Hint       4. True or false: Insulin is secreted by pituitary gland.   True   False   5. True or false: Secretion of excess of growth hormone causes Gigantism.   True   False   6. True or false: Endocrine glands have ducts.   True   False   7. True or false: Lump in the neck due to enlargement of thyroid is known as Goitre.   True   False