Waec Model Questions Vol1 2018 Biology Question 20

Practice objective / multiple choice question 20 from the 2018 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2018 Biology Objective / Multiple Choice Hard Difficulty
Question 20 WAEC_MODEL_QUESTIONS_VOL1 • 2018 • BIOLOGY • objective

A fish population in a lake follows the logistic growth model \(\frac{dN}{dt}=rN\left(1-\frac{N}{K}\right)\), where the intrinsic growth rate r = 0.8 month⁻¹ and the carrying capacity K = 10 000 fish. A constant harvest H (fish per month) is applied. What is the greatest constant harvest (in fish per month) that can be sustained indefinitely without causing the population to decline to extinction?

Answer Options

A. 2500 fish per month
B. 1500 fish per month
C. 1800 fish per month
Correct Answer D. 2000 fish per month
Correct Answer
D
Correct Option:
2000 fish per month

About This Question

This is Waec Model Questions Vol1 2018 Biology Question 20. It is a objective / multiple choice question from the 2018 Waec Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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