Soil Around The World

Soils in different regions differ based on the _______.
a.
local climate
b.
topography of the land
c.
native organisms
d.
all of the above

D

Permafrost soil (gelisol) is _______.
a.
resistant to erosion
b.
fragile
c.
rich in microorganisms
d.
a fast developing soil

B.

Which of the following is true about soil color?
a.
A dark color indicates that the soil is poor in organic matter.
b.
Bright yellow and red colors indicate large amounts of organic matter.
c.
Yellow or red hues in the soil indicate the presence of iron or aluminum.
d.
Yellow or red hues in the soil indicate the presence of calcium or magnesium.

C.

Which of the following is not a characteristic of desert soils (aridisols)?
a.
accumulation of minerals
b.
little organic matter
c.
sparse vegetation
d.
none of the above

D.

Prairie soils (mollisols) are _______.
a.
poor in organic matter
b.
easy to cultivate and fertile
c.
poor in mineral nutrients
d.
difficult to cultivate but fertile

B.

What characteristic is shared by both inceptisols and entisols, the soils of flood plains?
a.
They both have well-developed soil horizons and profiles.
b.
Both are young and only beginning to develop horizons and a soil profile.
c.
They are both at the final stage of soil development.
d.
None of the above

B.

How is over-irrigation damaging to soil?
a.
It reduces the amount of organic material in soil.
b.
It results in the accumulation of salt near the soil surface.
c.
It increases the acidity of soil.
d.
It removes water from the water table.

B.

The organisms native to an area will impact the types of soil found in that area.

TRUE.

Aridisols are soils characteristically found in _______.
a.
forests
b.
plains
c.
deserts
d.
swamps

NOT B.

Soil compaction results from _______.
a.
the reduction or elimination of pore space in soil
b.
the weight of heavy machinery on soil
c.
livestock walking over soil
d.
all of the above

D.

Why might soils rich in organic matter not be fertile?
a.
Soil fertility comes from a balance of organic matter and other mineral nutrients.
b.
Large amounts of organic material make soil retain too little water.
c.
Soil fertility is a result of the inorganic minerals present.
d.
Soils rich in organic material are always highly fertile.

A.

Large amounts of accumulated organic matter makes soil highly fertile.

FALSE.

Which of the following is not a defining characteristic of soil?
a.
mineral composition
b.
humidity
c.
texture
d.
color

B.

Soil color only reflects the amount of organic matter present in soil.

FALSE.

Lower temperatures lead to slower soil formation.

TRUE.

Soil Around The World - Subjecto.com

Soil Around The World

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[PRACTICE,QUIZ]

Soils in different regions differ based on the _______.
a.
local climate
b.
topography of the land
c.
native organisms
d.
all of the above

D

Permafrost soil (gelisol) is _______.
a.
resistant to erosion
b.
fragile
c.
rich in microorganisms
d.
a fast developing soil

B.

Which of the following is true about soil color?
a.
A dark color indicates that the soil is poor in organic matter.
b.
Bright yellow and red colors indicate large amounts of organic matter.
c.
Yellow or red hues in the soil indicate the presence of iron or aluminum.
d.
Yellow or red hues in the soil indicate the presence of calcium or magnesium.

C.

Which of the following is not a characteristic of desert soils (aridisols)?
a.
accumulation of minerals
b.
little organic matter
c.
sparse vegetation
d.
none of the above

D.

Prairie soils (mollisols) are _______.
a.
poor in organic matter
b.
easy to cultivate and fertile
c.
poor in mineral nutrients
d.
difficult to cultivate but fertile

B.

What characteristic is shared by both inceptisols and entisols, the soils of flood plains?
a.
They both have well-developed soil horizons and profiles.
b.
Both are young and only beginning to develop horizons and a soil profile.
c.
They are both at the final stage of soil development.
d.
None of the above

B.

How is over-irrigation damaging to soil?
a.
It reduces the amount of organic material in soil.
b.
It results in the accumulation of salt near the soil surface.
c.
It increases the acidity of soil.
d.
It removes water from the water table.

B.

The organisms native to an area will impact the types of soil found in that area.

TRUE.

Aridisols are soils characteristically found in _______.
a.
forests
b.
plains
c.
deserts
d.
swamps

NOT B.

Soil compaction results from _______.
a.
the reduction or elimination of pore space in soil
b.
the weight of heavy machinery on soil
c.
livestock walking over soil
d.
all of the above

D.

Why might soils rich in organic matter not be fertile?
a.
Soil fertility comes from a balance of organic matter and other mineral nutrients.
b.
Large amounts of organic material make soil retain too little water.
c.
Soil fertility is a result of the inorganic minerals present.
d.
Soils rich in organic material are always highly fertile.

A.

Large amounts of accumulated organic matter makes soil highly fertile.

FALSE.

Which of the following is not a defining characteristic of soil?
a.
mineral composition
b.
humidity
c.
texture
d.
color

B.

Soil color only reflects the amount of organic matter present in soil.

FALSE.

Lower temperatures lead to slower soil formation.

TRUE.

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