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Geology 101: Soil Horizons Trivia Quiz

I'll give you the description of the soil horizon, you pick which letter it is called.

A multiple-choice quiz by ladymacb29. Estimated time: 4 mins.

Author
ladymacb29

Time
4 mins

Type
Multiple Choice

Quiz #
17,770

Updated
Dec 03 21

# Qns
5

Difficulty
Tough

Avg Score
3 / 5

Plays
1007

One at a Time - Single Page - Timed Game

Question 1 of 5

1. 99 percent of this soil horizon is made of organic material. Hint

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Question 2 of 5

2. This layer is made up of 50 percent organic material and 50 percent mineral. Hint

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Question 3 of 5

3. This layer is 99 percent mineral, but no iron. Hint

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Question 4 of 5

4. This is filled with clay, iron oxides and other things that have come from the zone of leeching. Hint

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Question 5 of 5

5. This layer is partially weathered parent material. Hint

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Quiz Answer Key and Fun Facts

1. 99 percent of this soil horizon is made of organic material.

Answer: O

The layers are labeled O, A, B and C, with D being bedrock. The top layer consists primarily of dead plant material. As far as I can ascertain, the letters do not stand for any specific word.

2. This layer is made up of 50 percent organic material and 50 percent mineral.

Answer: A

This is the first layer in the zone of leaching.

3. This layer is 99 percent mineral, but no iron.

Answer: E

The soil horizons are used to determine how healthy a soil is and what it is made of.

4. This is filled with clay, iron oxides and other things that have come from the zone of leeching.

Answer: B

A soil horizon is a vertical cross-section of the soil.

5. This layer is partially weathered parent material.

Answer: C

This means that there are probably chunks of rocks and stones in it.

Source: Author ladymacb29

This quiz was reviewed by FunTrivia editor crisw before going online.
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