Jana's Soil Quiz
12 Questions
| Total Attempts: 253
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Jana's soil quiz review
Questions and Answers
- 1.The loose, weathered material on Earth's surface in which plants can grow.
- A.
Soil
- B.
Bedrock
- C.
Humus
- D.
Loam
- E.
Soil Horizon
- 2.This forms as rock is broken down by weathering and mixes with other materials on the surface.
- A.
Soil
- B.
Bedrock
- C.
Humus
- D.
Loam
- E.
Soil Horizon
- 3.The solid layer of rock beneath the soil.
- A.
Humus
- B.
Bedrock
- C.
Loam
- D.
Litter
- E.
Topsoil
- 4.This is a mixture of rock particles, minerals, decayed organic material, air and water.
- A.
Soil
- B.
Loam
- C.
Litter
- D.
Topsoil
- E.
Subsoil
- 5.A dark-colored substance that forms as plant and animal remains decay.
- A.
Litter
- B.
Subsoil
- C.
Topsoil
- D.
Humus
- E.
Loam
- 6.A soil that is made up of about equal parts of clay, sand and silt.
- A.
Humus
- B.
Loam
- C.
Bedrock
- D.
Topsoil
- E.
Bedrock
- 7.A layer of soil that differs in color and texture from the layers above or below it.
- A.
Topsoil
- B.
Bedrock
- C.
Humus
- D.
Loam
- E.
Soil horizon
- 8.A crumbly, dark brown soil that is a mixture of humus, clay and other minerals.
- A.
Topsoil
- B.
Subsoil
- C.
Humus
- D.
Loam
- E.
Litter
- 9.This consists of clay and other particles washed down from the A horizon, but little humus.
- A.
Topsoil
- B.
Subsoil
- C.
Litter
- D.
Soil
- E.
Decomposers
- 10.Some soil __________________________ mix the soil and make spaces in it for air and water. Other soil ___________________________ make humus, the material that makes soil fertile.
- A.
Litter
- B.
Subsoil
- C.
Topsoil
- D.
Organisms
- E.
Humus
- 11.As plants shed leaves, they form a loose layer called this.
- A.
Topsoil
- B.
Soil
- C.
Loam
- D.
Humus
- E.
Litter
- 12.The organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals.
- A.
Producers
- B.
Decomposers
- C.
Litter
- D.
Scavengers
- E.
Humans
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