1. True or false: Endocrine glands have ducts.   True   False   2. Thyroxine contains - bromine, chlorine, fluorine or iodine?   Chlorine   Iodine   Bromide   Fluorine   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. True or false: Insulin is secreted by pituitary gland.   True   False   5. Islets of Langerhans secrete   Thyroxine   Insulin   Adrenaline   Growth hormone   Hint       6. Identify the organ 'A' present on upper poles of kidneys.   Thyroid Gland   Gall bladder   Spleen   Adrenal Gland   Half-n-half Clue   7. Injections of insulin are prescribed to the patients of   Asthma   Hypertension   Diabetes Mellitus   Typhoid   Half-n-half Clue