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