AnswersSC332 Environmental Science BLand Management and Planning

Land Management and Planning — Unit test Answers

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1
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Biological pest control involves _______.

A
eliminating pests with pesticides
B
using biological mechanisms to eliminate pests
C
planting a new crop every year
D
burning crops
2
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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.
3

How do trees improve water quality?

A
Tree roots anchor soil in place, preventing runoff.
B
Water is filtered as it passes through the root systems of trees.
C
An adult tree can store nearly 250 gallons of water.
D
All of the above
4

Which of the following is an example of a nonmetallic mineral?

A
sulfur
B
lead
C
aluminum
D
gold
5

The invention of the automobile contributed to the increase of urban sprawl

A
T
B
F
6

Long-term mineral extraction has no lasting consequences.

A
T
B
F
7

The main characteristic of a carbon sink is that _______.

A
it emits no carbon
B
it absorbs no carbon
C
it emits more carbon than it absorbs
D
it absorbs more carbon than it emits
8

Why is volcanic soil (andisol) very fertile?

A
It is rich in minerals from volcanic deposits.
B
It is a young soil with low water retention.
C
It has been leached of mineral nutrients.
D
Volcanic activity warms the soil.
9

Which of the following statements about forestry education is true?

A
All educational facilities cover forestry to the same depth.
B
Individuals can pursue doctorates in forestry in any state.
C
Program focus will remain the same from state to state.
D
Some states have greater access to forestry programs than others.
10

Which of the following best explains why clear-cutting forests is more destructive than selectively cutting down trees in forests?

A
Clear-cutting eliminates all trees leaving none behind to maintain soil fertility or house native animals.
B
Clear-cutting places the land at greater risk for wildfires.
C
Clear-cutting makes land more attractive for human development.
D
Clear-cutting causes less soil erosion than selective cutting.
11

Soil composition is not subject to change.

A
T
B
F
12

Which of the following is the most damaging method of soil remediation?

A
soil excavation and disposal
B
soil aeration
C
heating and vapor extraction
D
microbial digestion
13

How can zoning laws be beneficial to a city’s residents?

A
They prevent new business development.
B
They can prevent new development that would harm established residents.
C
They limit the maximum height of buildings.
D
They restrict who can live in a city.
14

The promotion of companies’ sustainably harvested rainforest products is intended to _______.

A
produce cheaper products
B
promote overconsumption
C
give the company a competitive advantage
D
produce more expensive products
15

Unexpected consequences can result from human interference or manipulation of any sufficiently complicated natural system.

A
T
B
F
16

Which of the following is true concerning land management methods for corporations.

A
The best strategy is a combination of government regulation and voluntary cooperation.
B
The best strategy is to rely on businesses to voluntarily pursue green business practices.
C
Corporations do not follow established land management strategies.
D
The best strategy is to impose government regulations on land management methods.
17

Which of the following best describes the uses of private land?

A
Private land cannot be used to operate businesses.
B
After initial construction. the uses of private land do not change.
C
It can be used for a variety of activities and businesses.
D
None of the above.
18

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.
19

Salinization increases the concentration of _______ in soil.

A
plants
B
nutrients
C
salt
D
water
20

Which of the following best explains why clear-cutting forests is more destructive than selectively cutting down trees in forests?

A
Clear-cutting eliminates all trees leaving none behind to maintain soil fertility or house native animals.
B
Clear-cutting places the land at greater risk for wildfires.
C
Clear-cutting makes land more attractive for human development.
D
Clear-cutting causes less soil erosion than selective cutting.

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