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Soil revision - Key words quiz

Authored by Cathal Cunniffe

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Used 1+ times

Soil revision - Key words quiz
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is humus?

A diagram showing the different layers of soil
The rock type from which soil gets its mineral matter
Decayed organic matter that adds nutrients to soils

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is humification?

A process where organic matter decays to form humus
A layer within a soil profile
When rain washes nutrients and minerals from A horizon into the B horizon

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is parent material?

The layers within a soil profile
An impermeable crust that develops at the base of the A horizon
The rock type from which soil gets its mineral matter

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a soil profile?

A layer within a soil profile
The rock type from which soil gets its mineral matter
A diagram showing the different layers of soil

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are horizons?

Broken down bits of rocks that have been weathered/eroded
The layers within a soil profile
Remains of vegetation that fall on top of the soil and decompose to form humus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is leaching?

A process where organic matter decays to form humus
An impermeable crust that develops at the base of the A horizon
When rain washes nutrients and minerals from A horizon into the B horizon leaving the soil less fertile

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is hardpan?

The rock type from which soil gets its mineral matter
An impermeable crust that develops at the base of the A horizon due to excessive leaching
A diagram showing the different layers of soil

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