1. True or false: Lump in the neck due to enlargement of thyroid is known as Goitre.   True   False   2. Thyroxine contains - bromine, chlorine, fluorine or iodine?   Chlorine   Bromide   Iodine   Fluorine   Hint Half-n-half Clue   3. Islets of Langerhans secrete   Growth hormone   Insulin   Adrenaline   Thyroxine   Hint       4. True or false: Adrenaline is secreted by pancreas.   True   False   5. True or false: Secretion of excess of growth hormone causes Gigantism.   True   False   6. The lack of which hormone does not affect growth - Thyroxine, Insulin, Growth hormone or Sex hormone?   Sex hormone   Insulin   Growth hormone   Thyroxine   Hint       7. True or false: Endocrine glands have ducts.   True   False