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How do antiseptic differ from disinfectants ? How does an antibiotic differe from these two ? |
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Answer» Solution :(i) Both antiseptics and DISINFECTANTS kill or prevent growth of micro-organisms. Antiseptics are applied to LIVING tissues (cults, wounds). But disinfectants are applied to inanimate objects only (floor, INSTRUMENTS). The same substance can act as an antiseptic as well as a disinfectant by varying the concentration of the soluton used. For example, 0.2% solution of phenol ACTS as an antiseptic and its 1% solution is a disinfectant. (ii) An antibiotic is a chemical substance which kills and prevents growth of micro-organisms . These SUBSTANCES are produced by micro-organisms. |
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