Environmental Science, 11th Edition (Cunningham)

Chapter 9: Food and Agriculture

Practice Quiz

1
The most common dietary problem in rich countries is
A)iron deficiency.
B)overeating.
C)inadequate intake of vitamins.
D)inadequate intake of minerals.
2
A diet inadequate in iron produces a condition called
A)scurvy.
B)kwashiorkor.
C)marasmus.
D)anemia.
3
New revisions in the food pyramid recommend
A)increasing consumption of red meat.
B)increasing consumption of unsaturated plant oils.
C)increasing consumption of carbohydrates like pasta and potatoes.
D)decreasing consumption of nuts.
4
Genetic engineering refers to the process of
A)moving genes from one type of organism to another.
B)carefully selecting pollinators for crop plants.
C)creating synthetic genes for favorable traits.
D)all of the above.
5
Genes for natural pesticides that are toxic to potato bugs have recently been transferred into potato plants making the plants lethal to these bugs. A main concern is that
A)these genes will escape from potatoes and disrupt other natural ecosystem functions.
B)these genes will mutate to become lethal to the potato plants that contain them.
C)natural selection will rapidly produce strains of potato bugs that are immune to the toxin in the plant.
D)the cost to farmers will exceed the benefits.
6
World food production is losing ground, unable to keep up with our growing population.
A)TRUE
B)FALSE
7
People inadequately fed are especially vulnerable to death from disease.
A)TRUE
B)FALSE
8
Genetically modified crops are created by inserting genetic material from one species into another.
A)TRUE
B)FALSE
9
Transgenic plants are those that have had genes from other organisms incorporated into their cells.
A)TRUE
B)FALSE
10
Food security refers to
A)the efforts a nation expends to protect its food resources from invasions by other countries
B)the ability to obtain sufficient food on a day-to-day basis
C)the individuals who distribute food in underdeveloped nations.
D)None of the above
11
It is difficult for a society to recover from a famine because people often deplete their means of food production in an effort to stay alive.
A)True
B)False
12
The locavore movement
A)entails the consumption of local foods.
B)tends to be less energy consumptive.
C)is based on the consumption of raw foods.
D)both 1 and 2 are correct.
E)1, 2, and 3 are correct.
13
Below a caloric intake of _______kcal per day, on average, a person is considered chronically undernourished.
A)2,200
B)3,500
C)1,000
D)none of the above; caloric intake has nothing to do with being chronically undernourished
14
Globally, women control only a tiny fraction of land, primarily because they play such a minimal role in food production.
A)TRUE
B)FALSE
15
Malnourishment
A)refers to the condition of being chronically undernourished.
B)means lacking in certain specific dietary components.
C)is a condition suffered by nearly 20% of the world's population.
D)all of the above are correct.
16
The condition of being overweight
A)is no longer restricted to the wealthy nations of the world.
B)is spreading along with western diets and lifestyles.
C)substantially increases the risk for a number of diseases.
D)all of the above are correct.
17
Vitamin A deficiencies
A)can cause blindness.
B)are rarely detected, as they have no immediate effects.
C)are no longer common.
D)none of the above.
18
Two widespread protein deficiency diseases are _________.
A)kwashiorkor
B)anemia
C)marasmus
D)1 and 2 are correct
E)1 and 3 are correct
19
The three crops that provide the majority of humanity's nutrients and calories are _____________.
A)cassava, corn, and rice
B)corn, beans, and potatoes
C)wheat, rice, and corn
D)corn, soybeans, and barley
20
The amount of antibiotics used in feedlot meat production raises the concern of creating antibiotic-resistant diseases.
A)TRUE
B)FALSE
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