Neco 2020 Agricultural Science Question 17

Practice objective / multiple choice question 17 from the 2020 Neco Agricultural Science examination.

Neco 2020 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 17 NECO • 2020 • AGRICULTURAL_SCIENCE • objective

In a 5‑hectare tomato field containing 1,200 plants, a survey finds 180 plants showing leaf‑spot symptoms, of which 30 % also exhibit wilting. (a) Calculate the disease incidence of leaf spot as a percentage. (b) Calculate the percentage of plants that show both leaf spot and wilting. (c) If a recommended fungicide costs \(250\) Naira per hectare and must be applied twice, compute the total cost for the whole field.

Answer Options

A. Incidence=18%; Both=5.4%; Total cost=3000 Naira
B. Incidence=15%; Both=6%; Total cost=2500 Naira
C. Incidence=12%; Both=3.6%; Total cost=1250 Naira
Correct Answer D. Incidence=15%; Both=4.5%; Total cost=2500 Naira
Correct Answer
D
Correct Option:
Incidence=15%; Both=4.5%; Total cost=2500 Naira

About This Question

This is Neco 2020 Agricultural Science Question 17. It is one of the objective questions from the 2020 Neco Agricultural Science examination.

Difficulty level: Medium .

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