WorksheetsRoles of Soil Quiz
Total questions: 11
Worksheet time: 6mins
What is one way soil supports human activities?
Supporting human settlements
Destroying human settlements
Ignoring human settlements
Reducing human settlements
Which factor involves plants, animals, and microscopic organisms interacting with soil?
Time
Parent Material
Biological
Climate
Which factor of soil formation is affected by slope and aspect?
Biological
Topography
Climate
Parent Material
What stage is humus in?
Initial growth
Full decomposition
A stage of decomposition
Mineralization
What is the color of the A-Horizon compared to the layers below?
Lighter
Darker
Redder
Whiter
Why is the A-Horizon important for plant growth?
It is the driest layer
It contains the most nutrients
It is the hardest layer
It is the least stable layer
What is the E-Horizon commonly referred to as?
The "Leaching Layer" Horizon
The "Topsoil" Horizon
The "Bedrock" Horizon
The "Organic" Horizon
At what depths is the C-Horizon typically found?
10-20 feet
20-30 feet
30-48 feet
50-60 feet
Which of the following is NOT a feature of the C-Horizon?
Contains large rocks
Rich in organic matter
Least changed since origin
Found at depths of 30-48 feet
How does soil formation begin?
A) By the accumulation of gases
B) Through the decay of plants
C) By the breakdown of rocks
D) By evaporation of water
Which of the following helps the development of soil?
Wind, Rocks, Ice
Wind, Water, Ice
Migration of animals
Volcanic eruptions
