Waec Model Questions Vol1 2023 Agricultural Science Question 2

Practice essay / theory question 2 from the 2023 Waec Model Questions Vol1 Agricultural Science examination. This question covers Soil Science .

Waec Model Questions Vol1 2023 Agricultural Science Essay / Theory

Topic: Soil Science

Question 2 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • AGRICULTURAL_SCIENCE • essay

A soil‑infiltration experiment is set up as shown in the illustration. A cylindrical soil column of height 30 cm and internal diameter 5 cm is placed vertically. A graduated cylinder (capacity 250 ml) is used to deliver water onto the top of the soil column. A stopwatch records the time taken for water to infiltrate the soil. In the trial recorded, 150 ml of water entered the soil column in 45 minutes.

Question Parts

( a )

List three variables that must be kept constant during the experiment and briefly justify why each should be controlled.

( b )

Calculate the infiltration rate in centimetres per hour (cm h⁻¹). Show all steps.

( c )

Based on the infiltration rate obtained, advise whether the soil is suitable for a rain‑fed crop and justify your recommendation using typical infiltration thresholds.

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About This Question

This is Waec Model Questions Vol1 2023 Agricultural Science Question 2. It is one of the essay questions from the 2023 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Soil Science .

View More Waec Model Questions Vol1 2023 Agricultural Science Questions More Waec Model Questions Vol1 Practice Questions Back to Questions

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