BHU PMT BHU PMT (Screening) Solved Paper-2011

  • question_answer
     Many bacteria are now resistant to penicillin because

    A)  penicillin cause gene mutations

    B)  previously resistant forms survived and reproduced better than non-resistant forms

    C)   hospital environment inhibits competition among bacteria

    D)  penicillin triggers the synthesis of resistant proteins

    Correct Answer: B

    Solution :

    This is the example of natural selection. Nature picked up those strains which could fight for their existence. It has been worked upon broadly


You need to login to perform this action.
You will be redirected in 3 sec spinner