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- 1. Multiple Choice
Soil is composed up of air, water, mineral matter, and organic matter
True
False
- 2. Multiple Choice
Which particle of soil is the smallest?
sand
silt
clay
Humus
- 3. Multiple Choice
Which soil has the greatest permeability or quickest flow?
sand
silt
clay
humus
- 4. Multiple Choice
Which soil has the least permeability or slowest flow?
sand
silt
clay
humus
- 5. Multiple Choice
How much of soil is made up of water and air?
25 percent
50 percent
100 percent
5 percent
- 6. Multiple Choice
A mixture of sand, silt, and clay is known as __________ and is best for farming or agriculture
sand
silt
clay
loam
- 7. Multiple Choice
What type of soil material is being used for pottery or ceramics?
sand
silt
clay
humus
- 8. Multiple Choice
The three main layers of soil
topsoil, midsoil, and bottomsoil
drysoil, wetsoil, and thicksoil
topsoil, subsoil, and parent material
richsoil, parent material, and subsoil
- 9. Multiple Choice
What does it mean by the rate of flow of water or ability to transmit water?
formation
permeability
texture
composition
- 10. Multiple Choice
What makes up humus?
breakdown of organic remains
removal of the topsoil
weathering of the subsoil
weathering of the parent material
- 11. Multiple Choice
What the soil size for sand?
largest particle
medium particle
smallest particle
- 12. Multiple Choice
What is the soil size for silt?
largest particle
medium particle
smallest particle
- 13. Multiple Choice
What is the soil size for clay?
largest
medium
smallest
- 14. Multiple Choice
Why is soil important?
Provides nutrients for plant growth
food security
filters waste
all of the above
- 15. Multiple Choice
What forms from parent rock?
soil
bacteria
worms
insects
- 16. Multiple Choice
Are some plants adapted to grow in certain soils?
True
False
- 17. Multiple Choice
What is the percent of organic matter in soil?
25 percent
45 percent
50 percent
5 percent
- 18. Multiple Choice
What is the percent of mineral matter in soil?
5 percent
25 percent
45 percent
50 percent
- 19. Multiple Choice
What soil horizon contains leaf litter and organic matter
O Horizon
A Horizon
B Horizon
C Horizon
- 20. Multiple Choice
Which horizon contains unweathered parent material
A Horizon
B Horizon
C Horizon
R horizon
- 21. Multiple Choice
Which Horizon contains topsoil. Seeds germinate in this "Plough Zone"
O Horizon
A Horizon
B Horizon
C Horizon
- 22. Multiple Choice
Which Horizon contains subsoil. It contains mineral and clay deposits. This zone leaches off of the zone above it.
A Horizon
B Horizon
C Horizon
R Horizon
- 23. Multiple Choice
Which Horizon contains little organic material or life. It consists of slightly broken up bedrock
O Horizon
B Horizon
C Horizon
R Horizon
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