Neco 2024 Geography Question 20

Practice objective / multiple choice question 20 from the 2024 Neco Geography examination.

Neco 2024 Geography Objective / Multiple Choice Medium Difficulty
Question 20 NECO • 2024 • GEOGRAPHY • objective

A soil sample contains 30 % sand, 45 % silt and 25 % clay. (a) Identify its textural class using the USDA soil texture triangle. (b) Using the empirical relations \(FC = 0.2\,\%\text{clay} + 0.1\,\%\text{silt} + 0.05\,\%\text{sand}\) and \(WP = 0.1\,\%\text{clay} + 0.05\,\%\text{silt} + 0.02\,\%\text{sand}\), calculate the field capacity (FC), wilting point (WP) and the available water capacity (AWC = FC - WP) of the soil, expressing the results as percentages to one decimal place.

Answer Options

A. Sandy loam; FC = 10.0%; WP = 4.5%; AWC = 5.5%
B. Loam; FC = 12.0%; WP = 6.0%; AWC = 6.0%
C. Clay loam; FC = 13.5%; WP = 7.0%; AWC = 6.5%
Correct Answer D. Silty loam; FC = 11.0%; WP = 5.4%; AWC = 5.7%
Correct Answer
D
Correct Option:
Silty loam; FC = 11.0%; WP = 5.4%; AWC = 5.7%

About This Question

This is Neco 2024 Geography Question 20. It is one of the objective questions from the 2024 Neco Geography examination.

Difficulty level: Medium .

View More Neco 2024 Geography Questions More Neco Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support