Question 1

Cultivation of _________________________ is unlikely to be sustainable because of poor soil fertility.

Accepted Answer

marginal land
erodable

Question 2

Canada is the fourth-largest producer of farmed salmon.

Accepted Answer

A) True 
 B)False  True

Question 3

What percentage of the global commercial fish harvest is obtained through aquaculture?

Accepted Answer

A)  about 22% 
B)  about 32% 
C)  about 42% 
D)  about 52% 
A)  about 22% 
B)  about 32% 
C)  about 42% 
D)  about 52% C

Question 4

FISHING
  
-Which letter in the diagram corresponds to the method that uses hundreds or thousands of hooks on a fishing line?

Accepted Answer

The answer of FISHING
  
-Which letter in the diagram...

Question 5

What is one possible result of salt build-up?

Accepted Answer

A)  agriculturally unproductive land 
B)  increased crop yields 
C)  greater need for irrigation 
D)  increased crop growth 
A)  agriculturally unproductive land 
B)  increased crop yields 
C)  greater need for irrigation 
D)  increased crop growth

Question 6

____________________ reduces soil oxygen levels,causes accumulation of gases that are toxic to plants,and alters the concentration of nutrients around plant roots.

Accepted Answer

The answer of ____________________ reduces soil oxygen levels,causes accumulation of...

Question 7

What characterizes the vegetation found in a riparian zone?

Accepted Answer

A)  It is a kind of algae in watering holes for cattle. 
B)  It is poisonous to cold-water fish. 
C)  It can destroy a grassland ecosystem. 
D)  It can be easily destroyed by trampling and overgrazing. 
A)  It is a kind of algae in watering holes for cattle. 
B)  It is poisonous to cold-water fish. 
C)  It can destroy a grassland ecosystem. 
D)  It can be easily destroyed by trampling and overgrazing.

Question 8

Worldwide food production has declined since 1950.

Accepted Answer

A) True 
 B)False

Question 9

___________________________________ integrates three main goals-environmental health,economic profitability,and social and economic equity.

Accepted Answer

Sustainabl

Question 10

What environmental damage is associated with a trawler?

Accepted Answer

the equipment scrapes the ocea

Question 11

How many domesticated animal species provide the majority of the meat and animal products consumed by humans?

Accepted Answer

A)  about 32 
B)  about 24 
C)  about 16 
D)  about 8 
A)  about 32 
B)  about 24 
C)  about 16 
D)  about 8

Question 12

What percentage of global food is lost through spoilage,inefficient processing and preparation,and plate waste?

Accepted Answer

A)  about 25% 
B)  about 50% 
C)  about 60% 
D)  about 70% 
A)  about 25% 
B)  about 50% 
C)  about 60% 
D)  about 70%

Question 13

Which statement characterizes genetically modified foods?

Accepted Answer

A)  They have been proven to be dangerous. 
B)  There is no real interest in regulating them. 
C)  They may reduce the need to apply large amounts of pesticides to crops. 
D)  Their use is decreasing. 
A)  They have been proven to be dangerous. 
B)  There is no real interest in regulating them. 
C)  They may reduce the need to apply large amounts of pesticides to crops. 
D)  Their use is decreasing.

Question 14

FISHING
  
-Which letter in the diagram corresponds to a large net pulled behind a boat?

Accepted Answer

The answer of FISHING
  
-Which letter in the diagram...

Question 15

Which law represents the fact that the initial dramatic yields realized by crops that have received inputs of energy,water,fertilizer,and pesticides eventually level off?

Accepted Answer

A)  the first law of thermodynamics 
B)  the tragedy of the commons law 
C)  the prevention vs. treatment law 
D)  the law of diminishing returns 
A)  the first law of thermodynamics 
B)  the tragedy of the commons law 
C)  the prevention vs. treatment law 
D)  the law of diminishing returns

Question 16

What is one component of sustainable management of rangelands?

Accepted Answer

A)  increased livestock grazing in underutilized areas 
B)  reduced grazing fees 
C)  no or limited grazing on riparian areas 
D)  elimination of riparian areas 
A)  increased livestock grazing in underutilized areas 
B)  reduced grazing fees 
C)  no or limited grazing on riparian areas 
D)  elimination of riparian areas

Question 17

Which activity is involved in contour farming?

Accepted Answer

A)  plowing across the slope 
B)  plowing straight down a slope or straight up a slope 
C)  building a series of small dams 
D)  converting a steep slope into a series of terraces 
A)  plowing across the slope 
B)  plowing straight down a slope or straight up a slope 
C)  building a series of small dams 
D)  converting a steep slope into a series of terraces

Question 18

Fish ranching involves the raising and selling of fish on a commercial basis and has proven to be economically successful in Canada.

Accepted Answer

A) True 
 B)False

Question 19

What is the impact of agriculture on the land?

Accepted Answer

A)  It increases soil fertility. 
B)  It increases microorganism diversity. 
C)  It causes soil desalination. 
D)  It causes soil erosion. 
A)  It increases soil fertility. 
B)  It increases microorganism diversity. 
C)  It causes soil desalination. 
D)  It causes soil erosion.

Question 20

What is the greatest source of water pollution?

Accepted Answer

A)  sediment from erosion 
B)  runoff of agricultural chemicals 
C)  drainage from urban areas 
D)  runoff of animal waste from farms 
A)  sediment from erosion 
B)  runoff of agricultural chemicals 
C)  drainage from urban areas 
D)  runoff of animal waste from farms

Exam 14: Food and Soil Resources

Cultivation of _________________________ is unlikely to be sustainable because of poor soil fertility.

Canada is the fourth-largest producer of farmed salmon.

What percentage of the global commercial fish harvest is obtained through aquaculture?

FISHING -Which letter in the diagram corresponds to the method that uses hundreds or thousands of hooks on a fishing line?

What is one possible result of salt build-up?

____________________ reduces soil oxygen levels,causes accumulation of gases that are toxic to plants,and alters the concentration of nutrients around plant roots.

What characterizes the vegetation found in a riparian zone?

Worldwide food production has declined since 1950.

___________________________________ integrates three main goals-environmental health,economic profitability,and social and economic equity.

What environmental damage is associated with a trawler?

How many domesticated animal species provide the majority of the meat and animal products consumed by humans?

What percentage of global food is lost through spoilage,inefficient processing and preparation,and plate waste?

Which statement characterizes genetically modified foods?

FISHING -Which letter in the diagram corresponds to a large net pulled behind a boat?

Which law represents the fact that the initial dramatic yields realized by crops that have received inputs of energy,water,fertilizer,and pesticides eventually level off?

What is one component of sustainable management of rangelands?

Which activity is involved in contour farming?

Fish ranching involves the raising and selling of fish on a commercial basis and has proven to be economically successful in Canada.

What is the impact of agriculture on the land?

What is the greatest source of water pollution?

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

Science, systems, matter, and Energy

Ecosystems: What Are They, and How Do They Work

Evolution and Biodiversity

Climate and Terrestrial Biodiversity

Aquatic Biodiversity

Community Ecology

Population Ecology

Applying Population Ecology: the Human Population

Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

Sustaining Biodiversity: the Species Approach

Sustaining Aquatic Biodiversity

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Risk,toxicology,and Human Health

Air Pollution

Climate Change and Ozone Loss

Water Pollution

Pest Management

Solid and Hazardous Waste

Sustainable Cities

Economics, environment, and Sustainability

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