1. True or false: Insulin is secreted by pituitary gland.   Hint First letter clue   2. The lack of which hormone does not affect growth - Thyroxine, Insulin, Growth hormone or Sex hormone?   Hint       3. Thyroxine contains - bromine, chlorine, fluorine or iodine?   First letter clue   4. Injections of insulin are prescribed to the patients of   First letter clue   5. True or false: Secretion of excess of growth hormone causes Gigantism.   First letter clue   6. True or false: Endocrine glands have ducts.   First letter clue   7. Islets of Langerhans secrete   Hint