Environmental Science 1565421 2
1) If atmospheric carbon dioxide was eliminated from our atmosphere, we would expect that the
Earth would:
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B) cool considerably and photosynthesis would dramatically decrease
C) heat up considerably and photosynthesis would dramatically increase
D) heat up considerably and photosynthesis would dramatically decrease
Answer: cool considerably and photosynthesis would dramatically decrease
2) Which of the following is a correlation that is causing widespread concern?
A) As atmospheric oxygen levels decline, the ozone layer is being destroyed.
B) As atmospheric carbon dioxide levels decline, the ozone layer is being destroyed.
C) As levels of methane decline, average global temperatures are increasing.
D) As levels of carbon dioxide increase, average global temperatures are increasing.
Answer: As levels of carbon dioxide increase, average global temperatures are increasing
3) Which of the following is part of natural capital but not ecosystem capital?
A) solar energy used to drive photosynthesis throughout the biosphere
B) coal and oil reserves
C) the production of electrical energy from wind turbines and dams
D) the genetic diversity of all plants and animals used in modern agriculture
Answer: coal and oil reserves
4) From an ecological economists perspective, without sustainability, as economies grow:
A) gross national product grows too
B) natural resources are renewed
C) the natural world is depleted
D) natural ecosystems are replenished
Answer: the natural world is depleted
5) Natural capital includes ecosystem capital plus:
A) natural forms of energy, such as solar, wind, and flowing water
B) nonrenewable resources such as fossil fuels
C) money available to invest in growing industry
D) all of the products of photosynthesis in the biosphere
Answer: nonrenewable resources such as fossil fuels
6) The concept of sustainability requires that:
A) economic growth does not exceed the renewal of natural capital
B) all sources of energy used in an economy must come from the sun
C) global economic systems are based on the harvesting of natural products
D) economies use equal portions of land, labor, and capital
Answer: economic growth does not exceed the renewal of natural capital
7) Uncertain about the best way to keep his new lizard alive, Jerome places a heat lamp at one end of the long lizard cage. Over several days, Jerome notices that the lizard tends to sit in a certain place when the lamp is on. The lizards selection of a particular place to stay
represents its:
A) range of tolerance
B) temperature optimum
C) biotic conditioning
D) use of a limited resource
Answer: temperature optimum
8) As global climate change warms certain mountain ranges, the temperature optima for the insect species living on the mountain is causing these insects to:
A) move higher up the mountain
B) move down the mountain
C) move to a new biome
D) become parasitic
Answer: move higher up the mountain
9) Energy is lost as it moves from one trophic level to the next because:
A) one trophic level does not consume the entire trophic level below it
B) some of the calories consumed drive cellular activities and do not add mass
C) some ingested materials are undigested and eliminated
D) All of the above.
Answer: some of the calories consumed drive cellular activities and do not add mass
10) In general, biomes at higher latitudes are most like:
A) biomes at higher altitudes
B) aquatic biomes
C) biomes at lower altitudes
D) biomes at lower latitudes
Answer:biomes at higher altitudes
11) Biomes with more than 75 centimeters (30 inches) of rain a year and that never experience freezing temperatures are most likely found:
A) at high altitudes
B) nearest the equator at low altitudes
C) at high altitudes in temperate zones
D) at high altitudes and high latitudes
Answer: nearest the equator at low altitudes
12) Biomes with permafrost are most likely:
A) covered in coniferous forests at high latitudes
B) in temperate zones with deciduous trees
C) located near the poles and without any trees
D) located at high altitudes nearest the equator
Answer: located near the poles and without any trees
13) Biomes with less than 25 centimeters (10 inches) of rain a year are:
A) high in primary productivity
B) likely to have extremely cold winters
C) covered with coniferous trees
D) deserts
Answer: deserts
14) Which of the following are current limiting factors for future human population growth?
A) pollution and land for agriculture
B) availability of oxygen and water
C) fossil fuels and carbon dioxide production
D) oxygen levels in the atmosphere and availability of sodium chloride
Answer: pollution and land for agriculture
15) According to demographer Joel Cohen, the human carrying capacity:
A) can be calculated in the same way it is determined for other animal species
B) depends upon a standard of living
C) can clearly be determined
D) largely depends upon the availability of fresh water
Answer: depends upon a standard of living
16) In a significant 2004 paper reviewing 69 studies on world human population and carrying capacity, the authors estimated that the sustainable carrying capacity of humans for the planet is about:
A) 600 million
B) 2.5 billion
C) 7.7 billion
D) 20 billion.
Answer:7.7 billion
17) According to the UN Population Division and a significant 2004 paper reviewing 69 studies on world human population and carrying capacity, the world population of humans will exceed carrying capacity in about the year:
A) 2014
B) 2024
C) 2050
D) 2100
Answer: 2024
18) Which of the following activities would be consistent with the Millennium Development Goals?
A) help communities build technical and trade schools for boys to learn skills in high
demand
B) develop coal, gold, and silver mines wherever possible as quick sources of jobs
C) provide meals and mosquito nets for every child under the age of five
D) encourage the expansion of national militaries to provide income and technical training
Answer: provide meals and mosquito nets for every child under the age of five
19) If the Millennium Development goal to eradicate extreme poverty and hunger by 2015 is achieved:
A) almost a billion people will still live in extreme poverty
B) no continent will have more than 10,000 people still hungry
C) fertility rates will decline to those of most European nations
D) the rural population of the world will nearly double
Answer:almost a billion people will still live in extreme poverty
20) Which of the following represents the Millennium Development Goal that is least likely to be achieved?
A) universal primary education
B) reduced child mortality
C) increased access to clean drinking water
D) decreased maternal childbirth deaths
Answer:reduced child mortality
21) Which of the following affects the greatest number of people in the developing world?
A) water availability
B) lack of primary schools for children
C) inadequate sanitation
D) no childhood immunization for measles
Answer:inadequate sanitation
22) A rural farmer most likely obtains drinking water by drilling a deep well to use:
A) gravitational water that has percolated through soil and accumulated as groundwater
B) gravitational water that is retained by the soil and accumulated just above the water
table
C) capillary water found in surface waters, located above the water table
D) capillary water that has percolated through soil and accumulated below the
groundwater
Answer:gravitational water that has percolated through soil and accumulated as groundwater
23) About 99% of all liquid fresh water on Earth is found in:
A) lakes, including the Great Lakes of North America
B) rivers such as the Amazon, Nile, and Mississippi watersheds
C) underground aquifers
D) the upper few meters of topsoil
Answer: underground aquifers
24) Which one of the following is fed by groundwater and often drained by seeps or springs?
A) lakes
B) aquifers
C) rivers
D) watersheds
Answer:aquifers
25) In Costa Rica, a heavy downpour provides water that quickly evaporates or is absorbed and released by the dense vegetation of the tropical rain forest. This is an example of a cycle using:
A) condensation, evaporation, transpiration, and green water
B) condensation, precipitation, and gravitational water
C) evaporation, gravitational flow, and adiabatic cooling
D) precipitation, gravitational flow, and convection
Answer: condensation, evaporation, transpiration, and green water
26) Gutters and storm sewers in a city are most concerned with the:
A) evapotranspiration loop
B) surface runoff loop
C) precipitation loop
D) groundwater loop
Answer: surface runoff loop
27) Which one of the following soil orders is the most typical of drylands and deserts?
A) alfisols
B) oxisols
C) mollisols
D) aridisols
Answer: aridisols
28) Which of the following would be best suited for planting crops such as corn or wheat?
A) an irrigated aridisol
B) a fertilized alfisol
C) a plowed oxisol
D) an irrigated gelisol
Answer: a fertilized alfisol
29) Most plants acquire their minerals from:
A) the recycling of nutrients from detritus
B) the precipitation of minerals from rainfall
C) the weathering of rock
D) dust storms that transport minerals into a region
Answer:the recycling of nutrients from detritus
30) Which of the following would be classified as soil constraints?
A) cold climate
B) moderate to heavy rainfall
C) poor drainage, salinity and high levels of aluminum
D) low erosion potential and high levels of phosphorus
Answer:poor drainage, salinity and high levels of aluminum
31) One of the general concerns about the widespread use of transgenic organisms is the:
A) spread of these transgenic traits to other organisms
B) need to apply more pesticides to crops and plow the soil twice a year
C) reduced yields that result from using bioengineered organisms
D) pressure to bring more land into agricultural production
Answer: spread of these transgenic traits to other organisms
32) If you live in the United States, chances are that you have consumed some processed food that includes bioengineered plants:
A) almost every day
B) at most once a month
C) perhaps once a year
D) once in your lifetime
Answer: almost every day
33) Wood pellets are produced from the waste sawdust of lumber and paper mills. Home-heating stoves burning these pellets can heat homes directly, instead of relying on other energy sources. Heating your home with wood pellets is:
A) sustainable, less polluting, and more efficient than heating a home using electricity
from a coal-fired power plant
B) sustainable, much more polluting, and is about 30% more efficient than using
electricity from a coal-fired power plant
C) not sustainable but is less polluting and is about as efficient as using electricity from a
coal-fired power plant
D) not sustainable and actually pollutes more than using electricity from a coal-fired
power plant
Answer:
sustainable, less polluting, and more efficient than heating a home using electricity from a coal-fired power plant
34) Which one of the following energy sources is most likely to lead to thermal pollution?
A) a coal-fired power plant
B) a large field of windmills
C) a hydroelectric plant
D) a large field of solar cells
Answer: a coal-fired power plant
35) The future use of electricity to power personal transportation largely depends on:
A) more efficient turbogenerators
B) finding more fossil fuel supplies
C) low-cost, lightweight batteries that can store large amounts of power
D) the development of small turbogenerators for automobiles
Answer: low-cost, lightweight batteries that can store large amounts of power
36) Instead of only generating more electricity, rising energy demands may also be met by:
A) switching from natural gas to coal
B) switching from coal and natural gas to windmills and solar technologies
C) increasing the efficiency of energy consumption
D) using more nuclear power instead of fossil fuels
Answer: switching from natural gas to coal
37) At present, the total number of long-term, commercial, below-ground nuclear waste depository sites in use in the United States is:
A) 0
B) 7
C) 23
D) over 100
Answer: 0
38) One of the major problems associated with long-term, high-level nuclear waste storage is:
A) selecting an environment that will remain stable for more than 10,000 years
B) determining a cost-effective way to shoot waste into space
C) figuring out how to contain the material so that it does not leak into the ocean
D) creating a secure environment to protect the material from terrorists
Answer: selecting an environment that will remain stable for more than 10,000 years
39) New Generation III nuclear plants such as the AP1000 Advanced Passive Reactor features:
A) a combination of nuclear fusion and fission in a single design
B) a pressurized water system with many new passive safety features to prevent a LOCA
C) a design that uses a mechanical source of X-rays for power
D) designs based on the Fukushima Daiichi plant in Japan
Answer: a pressurized water system with many new passive safety features to prevent a LOCA
40) In a photovoltaic system, an inverter is required to:
A) directly convert surplus electricity into heat
B) generate electricity from solar energy
C) connect the DC current of the solar panel to the AC current of an electrical grid
D) convert AC from the solar panel into DC of the grid
Answer: connect the DC current of the solar panel to the AC current of an electrical grid
41) Around the world, photovoltaic technology is quickly being adopted to generate electricity in:
A) large scale commercial power plants and on rooftop home units
B) large scale commercial power plants but not yet on rooftop home units
C) rooftop home units but not large scale commercial power plants
D) small electronic applications such as calculators but not yet on rooftops or in
commercial power plants
Answer: large scale commercial power plants and on rooftop home units
42) The most costly aspect of photovoltaic technology is being addressed by:
A) inventing a way to convert alternating current to direct current
B) inventing a way to convert direct current to alternating current
C) finding a way to reduce the damaging effects of the sun on solar panels
D) new technologies that reduce the cost of manufacturing solar cells
Answer: new technologies that reduce the cost of manufacturing solar cells
43) Solar trough technology converts:
A) the ultraviolet light in sunlight directly into electricity
B) the heat of the sun into steam to drive a turbogenerator
C) sunlight into electricity which then produces steam heat
D) the direct current generated by photovoltaic cells into alternating current
Answer:the heat of the sun into steam to drive a turbogenerator
44) Some milk becomes contaminated with mercury. If each of the following people consume 16 ounces of this contaminated milk each day for a month, who will most likely be impacted by this poison?
A) an 82-year-old woman
B) a fetus inside a mother who drinks this contaminated milk
C) a 12-year-old girl
D) a 51-year-old man
Answer: a fetus inside a mother who drinks this contaminated milk
45) A pharmacist asks a mother about a new prescription for an antibiotic, wanting to be sure that the drug is for the mother. The pharmacist is most likely concerned because:
A) antibiotics do not typically work on children
B) most types of antibiotics prescribed to an adult will likely kill a child
C) a normal dosage for an adult can be toxic to a child
D) a normal childs dosage may be toxic to an adult
Answer: a normal dosage for an adult can be toxic to a child
46) You learn that an old friend has died from a disease that resulted from their lifelong exposure to a substance. This loved one most likely died from:
A) whooping cough
B) a bacterial infection
C) cancer
D) malaria
Answer:cancer
47) Which of the following contains the greatest number of carcinogens?
A) a thick vanilla milkshake
B) a Twinkie snack
C) chewing tobacco
D) tap water from most cities in the United States
Answer: chewing tobacco
48) You examine an ice core sample from 10,000 years ago when global temperatures were unusually high. Based upon past studies and insights from current GHG levels, we expect that atmospheric levels of carbon dioxide:
A) and methane were unusually low
B) and methane were unusually high
C) were high but methane levels were low
D) were low but methane levels were high
Answer: and methane were unusually high
49) In his movie, An Inconvenient Truth, Al Gore warns of increasing levels of carbon dioxide in the atmosphere which suggest that:
A) methane levels will soon rise, destroying the ozone layer
B) global temperatures will also continue to rise
C) the oceans of the world are losing carbon dioxide
D) clouds are thinning and global precipitation is declining
Answer: global temperatures will also continue to rise.
50) Evidence from proxies indicate eight major oscillations in global temperatures over the past 800,000 years, most likely the result of:
A) rising and falling sea levels that greatly impact photosynthetic activity
B) variations in solar activity that produce different levels of radiation
C) Milankovitch cycles of periodic variations in Earths orbits around the sun
D) lunar cycles in which the moon orbits at different distances from the Earth
Answer: Milankovitch cycles of periodic variations in Earths orbits around the sun
51) In general, temperatures along an ocean coastline vary less than temperatures 100 miles inland. This moderation of temperatures along coastlines is because:
A) as the oceans evaporate it cools off the coastlines
B) the sun shines more intensely away from the ocean coastlines
C) ocean temperatures change more quickly than air temperatures
D) ocean temperatures do not change as quickly as air temperatures
Answer: ocean temperatures do not change as quickly as air temperatures
52) In our world, something with the greatest heat capacity is able to:
A) evaporate the most water from its surface
B) retain its heat the longest
C) insulate the best
D) reflect the greatest amount of sunshine
Answer: retain its heat the longest
53) If the sun suddenly stopped shining, where would be the best outdoor location to stay warm with the least change in ambient temperature?
A) Atlanta, Georgia
B) on a beach in Hawaii
C) Kansas City, Kansas
D) the center of Brazil
Answer: on a beach in Hawaii
54) Which one of the following principles of smart-growth will most likely result in less commuting for all residents?
A) have states purchase open spaces
B) set physical boundaries on urban sprawl
C) build new homes and stores on existing abandoned or brownfield urban properties
D) promote the integration of homes, stores, light industry, and professional offices
Answer: promote the integration of homes, stores, light industry, and professional offices
55) According to the U.S. Sprawlometer, the most sprawling and congested area is:
A) New York
B) Los Angeles
C) Greensboro, NC
D) Riverside, CA
Answer: New York
56) The Obama administration has moved to combat urban sprawl through the:
A) Clean Air Act
B) Clean Water Act
C) American Recovery and Reinvestment Act
D) ISTEA
Answer:Clean Air Act
57) The main financial problems for a city experiencing urban blight result from:
A) a declining tax base
B) increasing industrial growth
C) the need to build new schools
D) increasing use of public transportation
Answer: a declining tax base
58) Buses and cars using fuel cells are:
A) not yet possible because the technology to safely store hydrogen is still not resolved
B) not yet available because the fuel cell generates unsafe levels of heat
C) still inefficient, largely because the fuel cells are large and heavy
D) already in use and ready for commercial production
Answer: already in use and ready for commercial production
59) Which one of the following produces the least air pollution?
A) an automobile burning hydrogen as a fuel
B) an automobile running on a hydrogen fuel cell
C) a Toyota Prius hybrid vehicle
D) a car running on natural gas
Answer: an automobile running on a hydrogen fuel cell
60) A hydrogen-oxygen fuel cell uses:
A) hydrogen and water and generates electricity and oxygen
B) hydrogen and oxygen and generates electricity and water
C) carbon dioxide and water and generates electricity and hydrogen
D) hydrogen and water and generates electricity, oxygen, and carbon dioxide
Answer: hydrogen and water and generates electricity, oxygen, and carbon dioxide
61) The most promising immediate alternative to gasoline fueled vehicles in a time of global climate change and increasing oil imports is powering vehicles using:
A) solar power
B) hydrogen as a fuel source
C) fuel cells using hydrogen
D) plug-in hybrid electric vehicles
Answer: plug-in hybrid electric vehicles
A home located next to a 5-acre pond (30 feet deep in the center) uses the steady temperature of the deep pond water for heat exchange. A closed system of water is piped from the home underground to deep regions of the pond and then back to the home. Inside the home, a heat exchange system extracts heat in the winter and removes heat from the home in the summer. This home relies completely on electricity, generated by burning coal at a distant power plant.
62) This home system illustrates the use of:
A) ecothermal energy
B) biomass fuels
C) geothermal energy
D) hydroelectric energy
Answer: geothermal energy
63) Compared to heating and cooling this home using a standard heat pump system, this homes heating and cooling system will:
A) probably keep the pond from freezing over in the winter
B) probably cause ice to form on the pond in the early summer and fall
C) reduce the carbon footprint of the homeowners
D) not work if ice forms on the top of the pond
Answer: reduce the carbon footprint of the homeowners
64) Harnessing the energy of tides to generate electricity is different than the force moving the water in a hydroelectric power station at a dam because:
A) tidal energy uses turbines and a dam uses generators
B) tidal energy ultimately relies on moons gravity and hydroelectric power ultimately relies on the energy from the sun
C) tidal energy ultimately relies on ocean currents and hydroelectric power ultimately relies on the energy from the sun
D) tidal energy ultimately relies on the wind and hydroelectric power ultimately relies on the energy of rain
Answer: tidal energy ultimately relies on moons gravity and hydroelectric power ultimately relies on the energy from the sun
65) One of the least promising non-fossil fuel energy sources uses:
A) wind power
B) biomass energy
C) geothermal energy
D) thermal-energy conversion in the oceans
Answer: thermal-energy conversion in the oceans
67) The future global energy demands may be met by developing sustainable energy resources and also, most easily, by:
A) dramatically increasing oil and natural gas exploration
B) increasing our use of the abundant natural gas and coal resources
C) improving energy conservation and efficiency of current technology
D) limiting the use of energy in developing countries
Answer: improving energy conservation and efficiency of current technology
67) In the past decade, the United States government has:
A) discouraged the use of alternate energy resources and promoted the use of fossil fuels
B) promoted but not invested in the development and use of sustainable energy resources
C) promoted and invested heavily through the Recovery Act of 2009 in the development and use of sustainable energy resources
D) required the use of sustainable energy resources for more than 95% of our energy
demands by the year 2020
Answer: promoted and invested heavily through the Recovery Act of 2009 in the development and use of sustainable energy resources
68) Responsible stewardship in the coming decades will require global energy policies that promote:
A) both sustainability and technological efficiency
B) productivity and economic prosperity in developing nations
C) the development of abundant and inexpensive fossil fuels such as shale gas
D) additional exploration of shale oil and natural gas resources
Answer: both sustainability and technological efficiency
69) Energy policies that promote the use of renewable-energy resources:
A) and oil and gas exploration are the most promising ways to address global climate
change
B) and efficiency will automatically reduce the generation of greenhouse gases
C) increase the demand for fossil fuels and require the importation of oil to most
countries
D) hurt the poorest families and discourage economic growth in developing countries
Answer: and efficiency will automatically reduce the generation of greenhouse gases
70) If some current trends and energy strategies continue and succeed over the next few decades, in fifty years you might be able to say that you witnessed the shift from:
A) an energy-consuming economy to an energy-producing economy
B) a wind-driven economy to a solar economy
C) an unsustainable fossil-fuel-driven economy to a sustainable hydrogen economy
D) a renewable energy- driven economy to a clean-burning natural gas economy.
Answer: an unsustainable fossil-fuel-driven economy to a sustainable hydrogen economy
71) Which one of the following vehicles would generate the greatest amount of carbon tax?
A) a large hybrid-electric SUV that gets 31 miles per gallon
B) a small gas-powered car that gets 27 miles per gallon
C) an all-electric car that charges its batteries using solar power-generated electricity
D) a car powered by natural gas that gets 33 miles per gallon
Answer: a small gas-powered car that gets 27 miles per gallon
72) The more than 100 nuclear power plants planned 30-40 years ago were never built in large part due to:
A) increasing incidents of terrorism directed against nuclear plants
B) decreased demand for electricity and increased costs of safety features in construction
C) pressing demand for electricity, which required simpler coal-fired power plants that
could be built faster
D) budget constraints stemming from the 2008 recession
Answer: decreased demand for electricity and increased costs of safety features in construction
73) The longevity of nuclear power plants has averaged about:
A) 20-25 years due to unexpectedly high levels of corrosion and embrittlement
B) 40-50 years, longer than imagined, because neutrons tend to stabilize the building
materials
C) 10 years, only about 25% of their expected life, due to the need for new
government-mandated safety designs
D) 40 years, as expected, due to routine maintenance and the replacement with new longer-lasting materials
Answer: 20-25 years due to unexpectedly high levels of corrosion and embrittlement
74) Unlike corrosion, embrittlement results in the degradation of nuclear power plant materials from the:
A) buildup up iron oxide after prolonged exposure to water
B) rapid expansion and contraction of super-heated and ice-cold water through most of
the pipes
C) use of highly corrosive saltwater throughout most of the water pipes
D) bombardment of materials by neutrons produced by fission
Answer: bombardment of materials by neutrons produced by fission
75) In the United States and many countries in Europe, there is renewed interest in nuclear power plants because of:
A) a worldwide shortage of coal
B) the spotty availability of natural gas
C) concern about global climate change
D) the greatly reduced costs associated with generating electricity using nuclear power
Answer: concern about global climate change
76) In the near future, the number of nuclear power plants in the United States and throughout the world will most likely:
A) decline
B) hold steady
C) increase
D) depend upon the price of oil
Answer: increase
77) In Japan today, the greatest risk associated with the use of nuclear power is:
A) an earthquake and/or tsunami
B) a terrorist attack
C) the lack of sufficient nuclear fuel
D) the generation of mutations in nearby plants and animals
Answer: an earthquake and/or tsunami
78) Compared to standard fission reactors, fast-neutron reactors are:
A) less expensive to build
B) less expensive to operate
C) more efficient in fuel use
D) safer, requiring less security
Answer: more efficient in fuel use
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