What is Soil?

Question 1

Which layer of soil is most likely of greatest importance to plant growth?a.O (organic matter)b.A (topsoil)c.B (subsoil)d.C (parent rock)

Revolt · Accepted Answer

B

Question 2

Soil is not directly important to animal life.

Revolt · Accepted Answer

F

Question 3

Soil is a mixture of _______.a.solidsb.solids, liquids, and gasesc.solids and liquidsd.solids and gases

Revolt · Accepted Answer

B

Question 4

Which of the following soil particle types is the largest?a.sandb.siltc.clayd.potassium

Revolt · Accepted Answer

A

Question 5

Which of the following factors does not affect soil formation?a.precipitationb.timec.erosiond.none of the above

Revolt · Accepted Answer

D

Question 6

Which of the following will be most influenced by the amount of organic material?a.soil colorb.soil texturec.soil structured.number of horizons

Revolt · Accepted Answer

A

Question 7

Which layer of soil is closest to the surface?a.O (organic matter)b.A (topsoil)c.B (subsoil)d.C (parent rock)

Revolt · Accepted Answer

A

Question 8

Soil horizons are defined by physical features.

Revolt · Accepted Answer

T

Question 9

Animals contribute to soil formation through decomposition of organic material.

Revolt · Accepted Answer

T

What is Soil? Answers