Neco Model Questions Vol1 2019 Agricultural Science Question 25

Practice objective / multiple choice question 25 from the 2019 Neco Model Questions Vol1 Agricultural Science examination.

Neco Model Questions Vol1 2019 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 25 NECO_MODEL_QUESTIONS_VOL1 • 2019 • AGRICULTURAL_SCIENCE • objective

A farmer has 5 L of an insecticide formulation that contains 250 g L⁻¹ of active ingredient. The recommended application rate is 0.75 L per hectare. (a) What is the maximum area (in hectares) that can be treated with the available formulation? (b) How many kilograms of active ingredient will be applied to that area? (c) What area of the farmer's 12.5‑ha field will remain untreated?

Answer Options

Correct Answer A. Maximum area = 20/3 ha (≈6.67 ha); active ingredient = 1.25 kg; untreated area = 17.5/3 ha (≈5.83 ha)
B. Maximum area = 5 ha (≈5.00 ha); active ingredient = 1.00 kg; untreated area = 15\/2 ha (≈7.50 ha)
C. Maximum area = 25\/3 ha (≈8.33 ha); active ingredient = 1.25 kg; untreated area = 12.5\/3 ha (≈4.17 ha)
D. Maximum area = 20\/3 ha (≈6.67 ha); active ingredient = 1.50 kg; untreated area = 17.5\/3 ha (≈5.83 ha)
Correct Answer
A
Correct Option:
Maximum area = 20/3 ha (≈6.67 ha); active ingredient = 1.25 kg; untreated area = 17.5/3 ha (≈5.83 ha)

About This Question

This is Neco Model Questions Vol1 2019 Agricultural Science Question 25. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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