1. True or false: Adrenaline is secreted by pancreas.   True   False   2. True or false: Secretion of excess of growth hormone causes Gigantism.   True   False   3. Identify the organ 'A' present on upper poles of kidneys.   Adrenal Gland   Spleen   Gall bladder   Thyroid Gland   Hint Half-n-half Clue   4. True or false: Lump in the neck due to enlargement of thyroid is known as Goitre.   True   False   5. True or false: Endocrine glands have ducts.   True   False   6. Islets of Langerhans secrete   Thyroxine   Growth hormone   Insulin   Adrenaline   Hint       7. True or false: Insulin is secreted by pituitary gland.   True   False