Exam 7: Food and Agriculture
Exam 1: Understanding Our Environment37 Questions
Exam 2: Environmental Systems: Matter and Energy of Life43 Questions
Exam 3: Evolution, Species Interactions, and Biological Communities34 Questions
Exam 4: Human Populations37 Questions
Exam 5: Biomes and Biodiversity39 Questions
Exam 6: Environmental Conservation: Forests, Grasslands, Parks, and Nature Preserves36 Questions
Exam 7: Food and Agriculture34 Questions
Exam 8: Environmental Health and Toxicology36 Questions
Exam 9: Climate25 Questions
Exam 10: Air Pollution23 Questions
Exam 11: Water: Resources and Pollution36 Questions
Exam 12: Environmental Geology and Earth Resources35 Questions
Exam 13: Energy38 Questions
Exam 14: Solid and Hazardous Waste37 Questions
Exam 15: Economics and Urbanization39 Questions
Exam 16: Environmental Policy and Sustainability35 Questions
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You can participate in sustainable agriculture by
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(Multiple Choice)
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The approximate energy yield of carbohydrates is 4 calories/gram; fats yield about 9 calories/gram, and proteins about 4 calories/gram. Jack and Sarah consumed the following for lunch:
Jack-100 grams protein, 20 grams fat, 75 grams carbohydrates;
Sarah- 75 grams protein, 10 grams fats, 75 grams carbohydrates.
How many Calories each did Jack and Sarah consume?
Free
(Multiple Choice)
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Correct Answer:
D
Which of the following are forms of chemical deterioration of soil?
(Multiple Choice)
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The number of genetically modified organisms (GMOs) and the acreage devoted to growing them has decreased in the past fifteen years because of the huge number of opponents.
(True/False)
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Methods of managing topography include all but which of the following?
(Multiple Choice)
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_________ can be defined as the transfer of genes for desirable traits, such as pest resistance, into crop plants from other organisms.
(Multiple Choice)
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Which of these is not a benefit found with reduced tillage farming?
(Multiple Choice)
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Undernourished parents often raise children who are undernourished because the parents
(Multiple Choice)
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Genetically modified organisms (GMOs) are made by taking bits of DNA from different sources to create desired characteristics in an organism.
(True/False)
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High responder crops of the green revolution produce tremendous yields
(Multiple Choice)
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Fifty years ago, there were several hundred varieties of wheat grown in the Middle East. Now a few of the more modern high responder varieties have replaced the indigenous species. What are the implications of this change?
(Multiple Choice)
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What is the theoretical basis of the statement that we could feed more people if we would eat grain rather than feeding it to livestock?
(Multiple Choice)
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The three crops that humans rely on for the majority of nutrients and calories are
(Multiple Choice)
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In developed countries, the most recent increases in agricultural productivity have come from
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