AnswersTX-Environmental Systems-BCASUnit Test

Unit Test — Unit test Answers

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1
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Which of the following cities has experienced more upward growth than urban sprawl?

A
Los Angeles, California
B
Bangkok, Thailand
C
Tokyo, Japan
D
Jakarta, Indonesia
2
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Which of the following forest management practices is the most harmful to forest ecosystems?

A
clearcutting
B
shelterwood cutting
C
group selection
D
single tree selection
3

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.
4

Which of the following regions has the highest population living in rural areas?

A
Asia
B
Africa
C
North America
D
Europe
5

Which of the following is not a possible consequence of surface mining?

A
increased pollution
B
improved ecosystem health
C
destruction of flora and fauna
D
erosion of soil
6

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

A
sulfur
B
lead
C
aluminum
D
gold
7

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.
8

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.
9

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
10

Dutch agriculture is one of the most labor intensive types of agriculture in the world.

A
T
B
F
11

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
12

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.
13

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

A
T
B
F
14

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.
15

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
16

Which type of mining is likely the least harmful to the environment?

A
surface mining
B
placer mining
C
subsurface mining
D
none of the above
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

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

A
T
B
F
19

Which of the following forest management practices is the most harmful to forest ecosystems?

A
clearcutting
B
shelterwood cutting
C
group selection
D
single tree selection
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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