Neco Model Questions Vol1 2019 Agricultural Science Question 49

Practice objective / multiple choice question 49 from the 2019 Neco Model Questions Vol1 Agricultural Science examination.

Neco Model Questions Vol1 2019 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 49 NECO_MODEL_QUESTIONS_VOL1 • 2019 • AGRICULTURAL_SCIENCE • objective

A tomato farmer cultivates 3\,ha with 10\,000 plants per hectare. Each plant yields 5\,kg of tomatoes at harvest. The market price is \u20a980 per kg. A whitefly infestation causes a loss of 0.001\% of yield per adult whitefly per plant each week. The whitefly population grows at 10\% per week if untreated. Initially there are 2 adult whiteflies per plant. A pesticide application costs \u20a9150 per hectare and reduces the population by 80\% instantly. Determine after how many weeks it becomes economically justified to apply the pesticide (i.e., when the cumulative loss would exceed the pesticide cost).

Answer Options

A. 4 weeks
B. 3 weeks
C. 2 weeks
Correct Answer D. 1 week
Correct Answer
D
Correct Option:
1 week

About This Question

This is Neco Model Questions Vol1 2019 Agricultural Science Question 49. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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