Waec Model Questions Vol1 2021 Agricultural Science Question 6

Practice objective / multiple choice question 6 from the 2021 Waec Model Questions Vol1 Agricultural Science examination.

Waec Model Questions Vol1 2021 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 6 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • AGRICULTURAL_SCIENCE • objective

Pest A causes a yield loss of 0.8% for every 10 insects per square metre, while pest B causes a loss of 1.2% for every 5 insects per square metre. If a farmer wants the total yield loss to stay below 5%, what is the maximum number of insects per square metre that can be tolerated, assuming the two pests occur together and their effects are additive?

Answer Options

A. 58 insects per square metre
Correct Answer B. 62 insects per square metre
C. 66 insects per square metre
D. 70 insects per square metre
Correct Answer
B
Correct Option:
62 insects per square metre

About This Question

This is Waec Model Questions Vol1 2021 Agricultural Science Question 6. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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