WorksheetsPLS Day #4- Soil Profile
Total questions: 11
Worksheet time: 6mins
What is a soil profile?
A circular section of the soil
A diagonal section of the soil
A vertical section of the soil
A horizontal section of the soil
Which layer of soil is rich in organic material and known as the humus layer?
C-Horizon
B-Horizon
A-Horizon
O-Horizon
What is the main composition of the O-Horizon?
Clay soil
Broken bedrock
Minerals and metal salts
Organic materials such as dried leaves and grasses
Which layer is known as the subsoil?
C-Horizon
O-Horizon
B-Horizon
A-Horizon
Which horizon is composed of nutrients leached from the O and A horizons?
O-Horizon
A-Horizon
E-Horizon
B-Horizon
Which layer is also known as saprolite?
C-Horizon
B-Horizon
A-Horizon
O-Horizon
Which horizon is primarily composed of weathered parent material?
O-Horizon
A-Horizon
C-Horizon
B-Horizon
Which layer is known for its high concentration of clay and iron oxides?
O-Horizon
A-Horizon
B-Horizon
C-Horizon
What is the primary function of the A-Horizon in soil?
To store organic material
To act as a barrier for roots
To support plant growth with nutrients
To provide a habitat for microorganisms
Which horizon is also known as the topsoil?
O-Horizon
A-Horizon
B-Horizon
C-Horizon
Which layer is primarily responsible for water retention in soil?
O-Horizon
A-Horizon
B-Horizon
C-Horizon
