Waec Model Questions Vol1 2021 Agricultural Science Question 7

Practice objective / multiple choice question 7 from the 2021 Waec Model Questions Vol1 Agricultural Science examination.

Waec Model Questions Vol1 2021 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 7 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • AGRICULTURAL_SCIENCE • objective

A field initially has 2% of its plants infected with a fungal disease. Without any control, the incidence rises by 15% each day (i.e., the percentage is multiplied by 1.15 daily). After the fourth day a fungicide is applied, reducing the daily increase to 5% for the remaining period. What is the disease incidence after a total of 7 days?

Answer Options

A. 4.20%
B. 4.50%
C. 3.85%
Correct Answer D. 4.05%
Correct Answer
D
Correct Option:
4.05%

About This Question

This is Waec Model Questions Vol1 2021 Agricultural Science Question 7. It is one of the objective questions from the 2021 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.

Unlock Full Access Available for Android & Windows
Chat with Support