Neco 2025 Biology Question 25

Practice objective / multiple choice question 25 from the 2025 Neco Biology examination.

Neco 2025 Biology Objective / Multiple Choice Hard Difficulty

Question 25 NECO • 2025 • BIOLOGY • objective

A bacterial culture follows logistic growth: \(N(t)=\dfrac{K}{1+\left(\dfrac{K-N_{0}}{N_{0}}\right)e^{-rt}}\). Given an initial population \(N_{0}=2\times10^{6}\) cells, carrying capacity \(K=1\times10^{9}\) cells, intrinsic growth rate \(r=0.8\ \text{h}^{-1}\), and time \(t=5\ \text{h}\), calculate the population size \(N(5)\). Express your answer in scientific notation rounded to two decimal places (e.g., \(9.86\times10^{7}\)).

A. 9.86×10^{6}

Correct Answer B. 9.86×10^{7}

C. 1.02×10^{8}

D. 8.75×10^{7}

Correct Answer

Correct Option:

9.86×10^{7}

This is Neco 2025 Biology Question 25. It is one of the objective questions from the 2025 Neco Biology examination.

Difficulty level: Hard .

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