NEET NEET SOLVED PAPER 2016 Phase-I

  • question_answer
    When does the growth rate of a population following the logistic model equal zero? The logistic model is given as\[dN/dt=rN(1-N/K)\]:

    A)  When \[N/K\] is exactly one

    B)  When \[N\] nears the carrying capacity of the habitat

    C)  When \[N/K\] equals zero

    D)  When death rate is greater than birth rate

    Correct Answer: A

    Solution :

    \[\frac{dN}{dt}=rN\left( 1-\frac{N}{K} \right)\]                    \[\frac{dN}{dt}=rN(1-1)=0\]


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