Neco 2019 Geography Question 33

Practice objective / multiple choice question 33 from the 2019 Neco Geography examination.

Neco 2019 Geography Objective / Multiple Choice Medium Difficulty
Question 33 NECO • 2019 • GEOGRAPHY • objective

A soil layer has a bulk density of \(1.3\) g cm\(^{-3}\), depth \(0.6\) m and porosity \(45\%\). Field capacity is \(75\%\) of the total porosity.\n(a) Calculate the volume of water (in litres) held at field capacity per hectare.\n(b) If the crop requires \(500\) mm of water during the season, how many litres of additional irrigation water are needed per hectare after accounting for the water stored at field capacity?

Answer Options

A. Field capacity water = 2,700,000 L per ha; additional irrigation = 2,300,000 L per ha
B. Field capacity water = 1,687,500 L per ha; additional irrigation = 3,312,500 L per ha
Correct Answer C. Field capacity water = 2,025,000 L per ha; additional irrigation = 2,975,000 L per ha
D. Field capacity water = 3,750,000 L per ha; additional irrigation = 1,250,000 L per ha
Correct Answer
C
Correct Option:
Field capacity water = 2,025,000 L per ha; additional irrigation = 2,975,000 L per ha

About This Question

This is Neco 2019 Geography Question 33. It is one of the objective questions from the 2019 Neco Geography examination.

Difficulty level: Medium .

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