Gce Model Questions Vol1 2024 Geography Question 50

Practice objective / multiple choice question 50 from the 2024 Gce Model Questions Vol1 Geography examination.

Gce Model Questions Vol1 2024 Geography Objective / Multiple Choice Medium Difficulty
Question 50 GCE_MODEL_QUESTIONS_VOL1 • 2024 • GEOGRAPHY • objective

A soil layer 0.6 m deep has a bulk density of 1.4 g cm⁻³ and a porosity of 45 %. Its field capacity is 30 % (volumetric) and wilting point is 12 % (volumetric). A crop requires that the soil water be kept at 70 % of the available water capacity (AWC) throughout a 30‑day season, and no rainfall occurs. Calculate the total amount of water (in millimetres) that must be supplied by irrigation over the season. Round to the nearest millimetre.

Answer Options

A. 84
B. 68
Correct Answer C. 76
D. 92
Correct Answer
C
Correct Option:
76

About This Question

This is Gce Model Questions Vol1 2024 Geography Question 50. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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