Gce Model Questions Vol1 2018 Agricultural Science Question 32

Practice objective / multiple choice question 32 from the 2018 Gce Model Questions Vol1 Agricultural Science examination.

Gce Model Questions Vol1 2018 Agricultural Science Objective / Multiple Choice Easy Difficulty
Question 32 GCE_MODEL_QUESTIONS_VOL1 • 2018 • AGRICULTURAL_SCIENCE • objective

A soil sample has a bulk density of 1.3 g cm\(^{-3}\) and a particle density of 2.65 g cm\(^{-3}\). (a) Calculate the soil porosity as a percentage. (b) If the field capacity is 40 % of the porosity (expressed as a fraction of total soil volume), determine the field capacity in cm\(^{3}\) cm\(^{-3}\).

Answer Options

A. Porosity ≈ 48.2 % and field capacity ≈ 0.193 cm³ cm⁻³
B. Porosity ≈ 46.0 % and field capacity ≈ 0.184 cm³ cm⁻³
Correct Answer C. Porosity ≈ 50.9 % and field capacity ≈ 0.204 cm³ cm⁻³
D. Porosity ≈ 53.6 % and field capacity ≈ 0.215 cm³ cm⁻³
Correct Answer
C
Correct Option:
Porosity ≈ 50.9 % and field capacity ≈ 0.204 cm³ cm⁻³

About This Question

This is Gce Model Questions Vol1 2018 Agricultural Science Question 32. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Agricultural Science examination.

Difficulty level: Easy .

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