Quiz
Practice Exam
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Fragen in diesem Quiz (27)
1Which of the following human populations would be expected to grow fast after a delay?
- AThe population in an old people's residential area
- BA population of mixed age and sex
- CA population consisting predominantly of young children
- DThe population of the United States
2The ‘regulation’ of a population refers to:
- AThe means by which its size is determined.
- BThe means by which its density is determined.
- CThe effect of predation on the population.
- DA tendency to increase in size when small and decrease when large.
3The momentum of population growth refers to
- Aa population's continuing to grow for a period after a stable age structure has been imposed.
- Ba population's continuing to grow for a period after no-growth combinations of birth and death rates have been imposed.
- Ca population's continuing to grow for a period after a demographic transition has occurred.
- Da population's continuing to grow for a period after the carrying capacity has been reached.
4On a global scale, agriculture consumes what percentage of available supplies of fresh water?
- A40 percent
- B50 percent
- C60 percent
- D70 percent
5Which of the following would NOT reduce degradation of soil by agriculture?
- AIncorporate farmyard manure and animal wastes into the soil.
- BIncorporate crop residues into the soil.
- CStop the practice of alternating years under cultivation with years of fallow.
- DReturn the land to grazed pasture or rangeland.
6 Which of the following gases is an important contributor to the Greenhouse Effect?
- AHydrogen sulfide
- BNitrogen
- CMethane
- DMercury vapor
7Acid rain is caused by
- Abicarbonate ions absorbed by water in the upper atmosphere.
- BSO2 and NOx released during Earthquakes.
- Chigh temperatures during El Niño events.
- DSO2 and NOx from burning fossil fuels.
8Smog is produced by
- Apollen interaction with increased carbon dioxide
- Bwater droplets produced by burning of fossil fuels.
- Cinteraction of ozone with gaseous hydrocarbons.
- Dinteraction of methane with NOx
9Intensive livestock farming pollutes the natural environment because:
- AIt liberates excessive amounts of ozone
- BIt contributes excessive heat that enhances the greenhouse effect
- CIt creates a problem to dispose of dung and urine.
- DIt stimulates biological nitrogen fixation.
10 Oil spilled into the sea close to the coast from tankers can be disposed of without harm to wildlife by
- Aburning it
- Bspraying it with detergents
- Cskimming it off
- Dno known method
11A commercial unit for fattening 10,000 pigs produces as much pollution as a town of how many inhabitants?
- A180
- B1,800
- C18 000
- D180 000
12 What are the main factors determining productivity of ecosystems?
- AThe availability of nutrients
- BThe climate
- CWether it's highly populated or not
- DThe diversity of species
13Ultimately most of the energy we use today comes from [blank_start]the sun.[blank_end]
- Athe sun.
14Which of these ISN'T a way to use the sun's energy?
- APhotosynthesis
- BBiomass and Fossil fuels
- CWind and river movement
- DTidal
15What are the other forms of energy?
- AGeothermal
- BTidal
- CNuclear
- DHeliocentric
16Most energy sources fall into two categories: [blank_start]Renewable[blank_end] and [blank_start]non renewable[blank_end].
- ARenewable
- BVariable
- Cnon renewable
- DMobile
17The most obvious way to reduce the environmental impacts of energy use is to have [blank_start]more efficient production[blank_end] and [blank_start]less wastage during and after[blank_end] production.
- Amore efficient production
- Bless wastage during and after
18Using closed stoves instead of open fires or converting wood to charcoal is an example of energy saving in developed regions. True or False?
- ARichtig
- BFalsch
19The efficiency of electrical generation in the developing world is of [blank_start]5 to 6 units[blank_end] to make one. In the developed world, it is [blank_start]3 to 1.[blank_end]
- A5 to 6 units
- B3 to 1.
20What is co-generation of power?
- Ausing the hot water wasted in the generation process to create more energy.
- Bcombining 2 different types of energy as one
- Csame source, but 2 different units
21 Renewable energy use is most significant in [blank_start]developing countries[blank_end] because of their [blank_start]biomass[blank_end] consomation.
- Adeveloping countries
- Bbiomass
22Which source of energy makes the largest contribution to climate change?
- AFossil Fuels
- BWater
- CNuclear
- DBiomass
23In addition to the environmental benefits of renewable energy, what other benefits do they have?
- AMost equipment is small, allowing faster construction.
- BThey can be built in factories which makes them more cost-efficient.
- CSmall scale = short time between design and operation
- DThey are inexpensive to make
24What are some of the drawbacks with renewable energies?
- ATheir variable nature
- BNot all renewable sources are appropriate for all types of energy need
- CThey are expensive to produce
- DThey aren't sustainable
25Besides the natural endowments what is also necessary for renewables to become a bigger part of our energy futures?
- APolitical will
- BGovernment and industry support
- CPopular consensus
- DSocial infrastructures to support it
26An increase in efficiency is likely to meet the increase in our energy that will most come in the future as economics continue to increase?
- ARichtig
- BFalsch
27Sweden government versus environmentalists about hydroelectricity development is a great example of the tension that often exists between those looking to expand renewable energy and conservationists who want to protect wildlife.
- ARichtig
- BFalsch
Informationen
- Beschreibung
- Quiz am Practice Exam, erstellt von Mathilde Fauteux am 30/11/2015.
- Autor
- Mathilde Fauteux
- Sprache
- English
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- 0
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