Answer the following questions : (3 marks)
(i) Why should medicines not be taken wihtout consulting a doctor ?
(ii) What is meant by 'broad spectrum antibiotics' ?
(iii) What are the main constituents of Dettol ?
(i) Because medicines can cause harm to human body if a person does not know its physiological
function on body.
(ii) Antibiotics which kill or inhibit a wide range of gram positive and gram negative bacteria, are
called broad spectrum antibiotics.
(iii) Dettol is mixture of chloroxylenol and -terpineol in a suitable solvent.