Waec Model Questions Vol1 2019 Geography Question 49

Practice objective / multiple choice question 49 from the 2019 Waec Model Questions Vol1 Geography examination.

Waec Model Questions Vol1 2019 Geography Objective / Multiple Choice Medium Difficulty
Question 49 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • GEOGRAPHY • objective

A soil has a field capacity of 0.30 cm³ cm⁻³ and a wilting point of 0.12 cm³ cm⁻³. (a) Determine its available water capacity (AWC) in cm³ cm⁻³ and in mm of water per metre of soil depth. (b) If a crop requires 150 mm of water during its growth period, calculate the depth of soil that must be wetted to satisfy this requirement, assuming uniform moisture distribution.

Answer Options

A. a) 0.15 cm³ cm⁻³ (150 mm m⁻¹); b) ≈1.00 m
Correct Answer B. a) 0.18 cm³ cm⁻³ (180 mm m⁻¹); b) ≈0.83 m
C. a) 0.18 cm³ cm⁻³ (180 mm m⁻¹); b) ≈0.90 m
D. a) 0.20 cm³ cm⁻³ (200 mm m⁻¹); b) ≈0.75 m
Correct Answer
B
Correct Option:
a) 0.18 cm³ cm⁻³ (180 mm m⁻¹); b) ≈0.83 m

About This Question

This is Waec Model Questions Vol1 2019 Geography Question 49. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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