Waec Model Questions Vol1 2017 Agricultural Science Question 50
Practice objective / multiple choice question 50 from the 2017 Waec Model Questions Vol1 Agricultural Science examination.
A lake has a carrying capacity (K) of 5 000 t of tilapia and an intrinsic growth rate (r) of 0.4 yr⁻¹. The current stock is 3 000 t. The fishery harvests a constant amount H (t yr⁻¹). The cost of fishing is ₦500 per tonne harvested and the market price is ₦2 000 per tonne. The manager wants to choose H so that the stock never falls below 2 000 t and the annual profit is maximised. Determine the optimal harvest level H (in tonnes per year) and the corresponding profit.
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About This Question
This is Waec Model Questions Vol1 2017 Agricultural Science Question 50. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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