BHU PMT BHU PMT (Mains) Solved Paper-2006

  • question_answer
    A bacteria divides every 35 minutes. If a culture containing 105 cells per mL is grown for 175 min. What will be the cell concentration per mL after 175 min?

    A) \[175\times {{10}^{5}}cells\]                      

    B) \[32\times {{10}^{5}}cells\]

    C)  \[5\times {{10}^{5}}cells\]                          

    D)  \[35\times {{10}^{5}}cells\]

    Correct Answer: B

    Solution :

                     In 175 minutes one bacterium is divided into  32 ( 5 generation) \[=2\times 2\times 2\times 2\times 2=32\] \[=32\times {{10}^{s}}\]cells


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