Waec Model Questions Vol1 2021 Agricultural Science Question 45

Practice objective / multiple choice question 45 from the 2021 Waec Model Questions Vol1 Agricultural Science examination.

Waec Model Questions Vol1 2021 Agricultural Science Objective / Multiple Choice Easy Difficulty
Question 45 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • AGRICULTURAL_SCIENCE • objective
Waec Model Questions Vol1 2021 Agricultural Science Question 45 diagram

The diagram shows a graduated cylinder used for a sedimentation test. After 24 h the settled solids form three distinct layers: sand (2 cm thick), silt (5 cm thick) and clay (3 cm thick). Using these measurements, determine the percentage of sand, silt and clay in the original soil sample (by weight, assuming layer thickness is proportional to mass).

Answer Options

Correct Answer A. Sand 20 %, Silt 50 %, Clay 30 %
B. Sand 20 %, Silt 40 %, Clay 40 %
C. Sand 30 %, Silt 40 %, Clay 30 %
D. Sand 25 %, Silt 45 %, Clay 30 %
Correct Answer
A
Correct Option:
Sand 20 %, Silt 50 %, Clay 30 %

About This Question

This is Waec Model Questions Vol1 2021 Agricultural Science Question 45. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Agricultural Science examination.

Difficulty level: Easy .

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