1. Identify the organ 'A' present on upper poles of kidneys.   Spleen   Adrenal Gland   Gall bladder   Thyroid Gland   Hint Half-n-half Clue   2. Thyroxine contains - bromine, chlorine, fluorine or iodine?   Iodine   Fluorine   Bromide   Chlorine   Half-n-half Clue   3. Islets of Langerhans secrete   Adrenaline   Thyroxine   Insulin   Growth hormone   Hint       4. True or false: Secretion of excess of growth hormone causes Gigantism.   True   False   5. The lack of which hormone does not affect growth - Thyroxine, Insulin, Growth hormone or Sex hormone?   Sex hormone   Insulin   Growth hormone   Thyroxine   Hint       6. True or false: Endocrine glands have ducts.   True   False   7. True or false: Adrenaline is secreted by pancreas.   True   False