1. True or false: Lump in the neck due to enlargement of thyroid is known as Goitre.   Hint First letter clue   2. True or false: Adrenaline is secreted by pancreas.   First letter clue   3. The lack of which hormone does not affect growth - Thyroxine, Insulin, Growth hormone or Sex hormone?   Hint       4. The lack of which hormone results in dwarfism?   Hint       5. True or false: Secretion of excess of growth hormone causes Gigantism.   First letter clue   6. Islets of Langerhans secrete   Hint       7. Thyroxine contains - bromine, chlorine, fluorine or iodine?   First letter clue