Waec Model Questions Vol1 2017 Agricultural Science Question 15
Practice objective / multiple choice question 15 from the 2017 Waec Model Questions Vol1 Agricultural Science examination.
A 3‑hectare maize field is infested with stem borer larvae at a density of 120 larvae per hectare. The larval population doubles every 7 days if untreated. A pesticide applied on day 0 reduces the larval population by 75 % instantly, and its effect lasts exactly 14 days, after which the population resumes its original doubling rate. The farmer applies the pesticide again on day 14. How many larvae are present in the whole field on day 28?
Answer Options
About This Question
This is Waec Model Questions Vol1 2017 Agricultural Science Question 15. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.