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