1. True or false: Lump in the neck due to enlargement of thyroid is known as Goitre.   True   False   2. True or false: Adrenaline is secreted by pancreas.   True   False   3. Islets of Langerhans secrete   Growth hormone   Thyroxine   Adrenaline   Insulin   Hint Hint       4. Identify the organ 'A' present on upper poles of kidneys.   Gall bladder   Spleen   Adrenal Gland   Thyroid Gland   Half-n-half Clue   5. The lack of which hormone does not affect growth - Thyroxine, Insulin, Growth hormone or Sex hormone?   Sex hormone   Insulin   Growth hormone   Thyroxine   Hint       6. True or false: Endocrine glands have ducts.   True   False   7. True or false: Insulin is secreted by pituitary gland.   True   False