question_answer 34)

  Tobacco consumption is known to stimulate secretion of adrenaline and noradrenaline. The component causing this could be. (a) nicotine                            (b) tannic acid (c) curaimin                           (d) catechine

Answer:

                  (a) Tobacco has nicotine, which stimulates the adrenal gland to release adrenaline and noradrenaline which in turn increases the blood pressure and heart rate, while tannic acid is a type of polyphenol used as a mordant, curaimin, obtained from cureumin in apain reliever and catechine derived from catechu is an antioxidant,