1. True or false: Endocrine glands have ducts.   Hint First letter clue   2. True or false: Adrenaline is secreted by pancreas.   First letter clue   3. True or false: Lump in the neck due to enlargement of thyroid is known as Goitre.   First letter clue   4. Islets of Langerhans secrete   Hint       5. Injections of insulin are prescribed to the patients of   First letter clue   6. True or false: Insulin is secreted by pituitary gland.   First letter clue   7. Thyroxine contains - bromine, chlorine, fluorine or iodine?   First letter clue