FutureJournalist
New member
1.
The global per capita consumption of meat derived from farm animals has increased steadily since 1960.
A) True
B) False
2.
Given current land use patterns, feeding the world’s population requires us to increase the efficiency with which we produce food (i.e. the yield) rather than the amount of land farmed.
A) True
B) False
3.
Use the figure above to answer the following three questions. According to the flowchart, it is true that overgrazing by cattle ________.
A) improves the soil by limiting aeration and water infiltration
B) increases the growth of all grasses
C) removes invasive species of grasses
D) increases the loss of topsoil
4.
The relationship exhibited between the removal of native grass, the exposure of bare topsoil, and both wind and water erosion is an example of _________________.
A) a systematically decreasing loop
B) an ecological staircase
C) a self-sustaining circuit
D) a positive feedback loop
E) a negative feedback loop
5.
One conclusion that can be drawn from the figure is that ________.
A) invasive species may do better than native species in overgrazed areas
B) erosion occurs more quickly in agricultural fields with tillage
C) wind erosion is restricted to overgrazed ranges
D) overgrazing slows erosion
E) the water table in an overgrazed area will rise
6.
"Humus" is best defined as ________.
A) the artificial fertilizer applied to monocultures
B) one of the primary causes of desertification if it is present in excess
C) naturally-formed decomposed organic material necessary to maintain soil fertility and soil moisture
D) a layer sometimes found in a soil horizon that is created by eluviation; it causes serious problems in agricultural fields
E) a delicious Middle Eastern food
7.
The loss of more than 10% productivity in arid areas due to erosion, soil compaction, forest removal, and an array of other factors is called ________.
A) salinization
B) global climate change
C) desertification
D) climatization
E) stratification
8.
The buildup of salts in soils as a result of intensive irrigation is ________.
A) leaching
B) weathering
C) salinization
D) evaporation
E) erosion
9.
The term “monoculture” describes ________.
A) food that has not been genetically modified
B) an approach to farming that uses no synthetic fertilizers or pesticides
C) the farming practice of growing large stands of a single species
D) diets low in protein, such as vegetarian diets
E) a farming technique that is illegal in many countries
10.
Of the options listed below, the production of ________ requires the most land and water per unit of energy (or protein) produced.
A) beef cattle
B) goats
C) pigs
D) chickens
E) dairy cattle
11.
“Green revolution” agricultural techniques ________.
A) focus exclusively on organic farming
B) have contributed to an increased diversity of foods in the human diet
C) focus on sustainable farming practices
D) focus on preserving biodiversity
E) have relied primarily on an increased input of fossil fuels
12.
Since 1960, pesticide use has ________ worldwide.
A) increased dramatically
B) dropped slightly
C) increased slightly
D) stayed about the same
E) dropped dramatically
13.
Seed banks are important for ________.
A) protecting monoculture productivity
B) protecting genetic diversity in agricultural crop species
C) holding cash deposits for developing countries
D) providing farmers with the current year’s GM crops
E) providing loans to developing countries
14.
It is most energetically efficient to eat ________.
A) omnivores
B) chicken
C) herbivores
D) beef
E) grains, fruits, and vegetables
15.
Genetic engineering relies on ________.
A) the merging of DNA from different organisms to create new hybrid organisms
B) pollination of one plant by another of the same species
C) the genetic mutations caused by pesticides to allow a species to adapt quickly to its changing environment
D) pollination of one plant by another of a different species
The global per capita consumption of meat derived from farm animals has increased steadily since 1960.
A) True
B) False
2.
Given current land use patterns, feeding the world’s population requires us to increase the efficiency with which we produce food (i.e. the yield) rather than the amount of land farmed.
A) True
B) False
3.
Use the figure above to answer the following three questions. According to the flowchart, it is true that overgrazing by cattle ________.
A) improves the soil by limiting aeration and water infiltration
B) increases the growth of all grasses
C) removes invasive species of grasses
D) increases the loss of topsoil
4.
The relationship exhibited between the removal of native grass, the exposure of bare topsoil, and both wind and water erosion is an example of _________________.
A) a systematically decreasing loop
B) an ecological staircase
C) a self-sustaining circuit
D) a positive feedback loop
E) a negative feedback loop
5.
One conclusion that can be drawn from the figure is that ________.
A) invasive species may do better than native species in overgrazed areas
B) erosion occurs more quickly in agricultural fields with tillage
C) wind erosion is restricted to overgrazed ranges
D) overgrazing slows erosion
E) the water table in an overgrazed area will rise
6.
"Humus" is best defined as ________.
A) the artificial fertilizer applied to monocultures
B) one of the primary causes of desertification if it is present in excess
C) naturally-formed decomposed organic material necessary to maintain soil fertility and soil moisture
D) a layer sometimes found in a soil horizon that is created by eluviation; it causes serious problems in agricultural fields
E) a delicious Middle Eastern food
7.
The loss of more than 10% productivity in arid areas due to erosion, soil compaction, forest removal, and an array of other factors is called ________.
A) salinization
B) global climate change
C) desertification
D) climatization
E) stratification
8.
The buildup of salts in soils as a result of intensive irrigation is ________.
A) leaching
B) weathering
C) salinization
D) evaporation
E) erosion
9.
The term “monoculture” describes ________.
A) food that has not been genetically modified
B) an approach to farming that uses no synthetic fertilizers or pesticides
C) the farming practice of growing large stands of a single species
D) diets low in protein, such as vegetarian diets
E) a farming technique that is illegal in many countries
10.
Of the options listed below, the production of ________ requires the most land and water per unit of energy (or protein) produced.
A) beef cattle
B) goats
C) pigs
D) chickens
E) dairy cattle
11.
“Green revolution” agricultural techniques ________.
A) focus exclusively on organic farming
B) have contributed to an increased diversity of foods in the human diet
C) focus on sustainable farming practices
D) focus on preserving biodiversity
E) have relied primarily on an increased input of fossil fuels
12.
Since 1960, pesticide use has ________ worldwide.
A) increased dramatically
B) dropped slightly
C) increased slightly
D) stayed about the same
E) dropped dramatically
13.
Seed banks are important for ________.
A) protecting monoculture productivity
B) protecting genetic diversity in agricultural crop species
C) holding cash deposits for developing countries
D) providing farmers with the current year’s GM crops
E) providing loans to developing countries
14.
It is most energetically efficient to eat ________.
A) omnivores
B) chicken
C) herbivores
D) beef
E) grains, fruits, and vegetables
15.
Genetic engineering relies on ________.
A) the merging of DNA from different organisms to create new hybrid organisms
B) pollination of one plant by another of the same species
C) the genetic mutations caused by pesticides to allow a species to adapt quickly to its changing environment
D) pollination of one plant by another of a different species