AnswersOH-Environmental Science CRUnit Test

Unit Test — Unit test Answers

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1
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Rainforest deforestation is contributing to _______.

A
a decline in global biodiversity
B
the reduction of greenhouse gases
C
increased soil moisture
D
increased drug discoveries
2
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Which of the following could be found on either public or private land?

A
state park
B
single-family residence
C
mine
D
factory
3

Which of the following is not a possible environmental consequence of urban sprawl?

A
deforestation
B
pollution
C
loss of natural resources
D
none of the above
4

Rainforests are not generally considered a source of _______.

A
foods
B
spices
C
medicines
D
none of the above
5

Which of the following is a reason conflicts over zoning decisions can become a divisive issue?

A
Zoning decisions are often wrong and result in significant financial hardship for a city.
B
Zoning decisions do not always change over time and can become antiquated.
C
Establishing zoning types is an expensive process.
D
Zoning regulations prevent new businesses from competing with established businesses.
6

Which of the following methods of agriculture is the most reliant upon technology and automation?

A
rangeland grazing
B
American agriculture
C
traditional rice cultivation
D
Dutch agriculture
7

The urban migration trend has stopped worldwide.

A
T
B
F
8

Which of the following is not true concerning cover crops?

A
they prevent soil erosion
B
they can fix nitrogen in soil
C
they are sold as cash crops
D
they add organic matter to soil
9

Pesticides are best described as _______.

A
polluting chemicals toxic to all living things
B
chemicals that destroy 33% of the world’s potential food supply
C
toxic chemicals used to control weed populations
D
toxic chemicals used to control pest populations
10

How might environmental manipulation of a crop have unexpected consequences?

A
The new crop may require more water than the original.
B
The crop may harm the environment.
C
The yield may be reduced.
D
All of the above
11

Which of the following is the most direct method for combating rainforest deforestation?

A
ecotourism
B
carbon credits
C
rehabilitation
D
education
12

Which of the following best describes what led to London’s “killer fog” in 1952?

A
Pollution from the air contaminated the water supply which is what killed people.
B
Millions of coal fires and stagnant air caused toxic fumes to build up in the air.
C
Poor city design led to faulty ventilation in houses.
D
Soot from forest and wildfires in the surrounding areas blew over the city.
13

The principal characteristic that differentiates temperate and tropical rainforests is __________.

A
latitude
B
oxygen turn over
C
the continent they are on
D
longitude
14

Cities that have available space in surrounding areas, such as Los Angeles, are likely to experience upward growth rather than urban sprawl.

T
T
F
F
15

Zoning laws establish _______.

A
what types of buildings can be built in an area
B
the uses an area of land can be put to
C
who can live in an area
D
the types of business that can occupy a building
16

Rainforests are principally responsible for global oxygen turnover.

A
T
B
F
17

Insects are responsible for the destruction of a significant percentage of potential food harvests every year.

A
T
B
F
18

Which of the following is not a food produced in rainforests?

A
coffee
B
cocoa
C
avocados
D
mustard seeds
19

The same agricultural practices are used in every country of the world.

A
T
B
F
20

Crop rotation is a method of soil conservation because _______.

A
the land produces more than one type of crop
B
it requires plowing and tilling that reduces soil compaction
C
it does not use the same parcel of land in sequential seasons
D
it avoids the depletion of soil nutrients

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