question_answer

  (a) Why taking antibiotics is not effective in common cold? (b) Name two diseases against which infants below one year are vaccinated. (c) List two symptoms of one of the disease.

Answer:

               (a) Common cold is caused by rhinovirus and viruses have very few biochemical mechanisms of their own. They enter our cell and use our machinery for their life process. So, no antibiotic works against them.     (b) below age of one year are vaccinated against polio and diphtheria.                                       (c) Symptoms of polio are (i) Stiffness in neck and tingling sensation in limbs.  (ii) Ultimate paralysis and deformity of affected limb.