Soils Quiz

Which of the following is NOT a type of soil particle?

• Sand

• Clay

• Silt

• Rock

Which soil component makes up about 5% of an ideal soil?

• Water

• Organic Matter

• Air

• Minerals

Which soil component makes up about 45% of an ideal soil?

• Water

• Organic Matter

• Air

• Minerals

Which soil component makes up about 25% of an ideal soil?

• Water

• Organic Matter

• Air

• A and C

What is the area between soil particles called?

• Pore Spaces

• Humus

• Soil Profile

• Horizons

Which soil particle is the smallest in size?

• Sand

• Clay

• Silt

• Rock

Which soil particle is the largest in size?

• Sand

• Clay

• Silt

• Rock

Which soil horizon is known as "bedrock"?

• A Horizon

• B Horizon

• C Horizon

• R Horizon

Which soil horizon is commonly called the subsoil?

• A Horizon

• B Horizon

• C Horizon

• R Horizon

Which soil horizon contains decomposed plants and animals?

• A Horizon

• B Horizon

• C Horizon

• O Horizon