SOIL - Jamb Biology Past Questions and Answers

Question 76:

• JAMB 2019

Thunderstorm can be beneficial to plants because it

A. Adds line to the soil
B. Kills the pest that attacks crops
C. Destroys some of the major crops
D. Adds nitrate to the soil

Question 77:

• JAMB 2021

Mass of a crucible = 10g,
Mass of a crucible and soil before heating =29g
Mass of a crucible and soil after heating = 18g
From the information above, determine the percentage of water in the given soil sample?

A. 20%
B. 25%
C. 40%
D. 60%

Question 78:

• JAMB 2021

The initial volume of water poured into a bag of dry soil was 50ml and the amount that drained through was 35mI.

The percentage water content of the fully soaked soil is, therefore?

A. 46.7
B. 25.0
C. 20.0
D. 30.0