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25 Cards in this Set
- Front
- Back
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Which of the following metals is considered an energy resource?
A. Uranium B. Cobalt C. Mercury D. Copper E. Palladium |
A. Uranium
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Ozone in the stratosphere is important to organisms at Earth's surface because Ozone molecules are very strong absorbers of
A. Infrared Rays B. Ultraviolet Rays C. Microwaves D. Visible Light Rays E. X-Rays |
B. Ultraviolet Rays |
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All of the following are considered toxic metal pollutants EXCEPT
A. Cadmium B. Chromium C. Lead D. Mercury E. Potassium |
E. Potassium |
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Which of the following actions would be the most effective in decreasing acid rain and acid depositions?
A. Using higher smoke stacks B. Reducing use of fossil fuels C. Developing acid resistant crops D. Adding lime to acidified lakes E. Relocating power plants to areas of lower population density |
B. Reducing use of fossil fuels |
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In general, which of the following is the best long-term method of preventing extinctions?
A. Breeding endangered species in captivity B. Protecting the habitats of endangered species C. Paying people not to kill endangered species D. Providing food to endangered species in the wild E. Removing predators from areas that contain endangered species |
B. Protecting the habitats of endangered species |
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Which of the following is most likely to occur in a forested region that has been recently clear cut?
A. The concentration of nitrates in streams running through the region will increase B. The average depth of topsoil will decrease C. The water temperature in streams running through the region will decrease. D. Volume of runoff after rains will decrease E. The frequency of landslides will decrease |
A. The concentration of nitrates in streams running through the region will increase
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Which of the following best shows the process of evolution?
A. A lizard's color becomes brown as it sits on a log B. A bear goes into hibernation C. A plant loses its leaves in a drought D. A population of mosquitoes develops resistance to a pesticide. E. A population of foxes increases as more prey becomes available |
D. A population of mosquitoes develops resistance to a pesticide.
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Most data indicate that, during the past 100 years, mean global annal temperature has
A. decreased by 5 degrees C. B. Decreased by 0.5 degrees C C. stayed the same D. increased by 0.5 degrees C E. Increased by 5 degrees C |
D. Increased by 0.5 degrees C
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Which of the following metals is considered an energy resource?
A. Uranium B. Cobalt C. Mercury D. Copper E. Palladium |
A. Uranium
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Of the following, which constitutes the greatest percent of domestic use of water in the U.S?
A. Flushing toilets B. Drinking C. Cooking D. Washing dishes E. Washing clothes |
A. Flushing toilets
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Which of the following best describes soils in many tropical rain forests?
A. They lack soil horizons B. They are quickly depleted of nutrients when the forest is removed C. They are similar to soils in grasslands D. They are well suited for growing a wide variety of crops. E. They are deep and well drained |
B. They are quickly depleted of nutrients when the forest is removed
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Which of the following elements constitutes the highest percentage of mass in Earth's crust?
A. Oxygen B. Aluminum C. Carbon D. Potassium E. Nitrogen |
A. Oxygen
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The ultimate source of energy for terrestrial ecosystems is
A. nutrients in soil B. nutrients in vegetation C. primary consumers D. Producers E. the Sun |
E. the Sun
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All of the following gases have been implicated in contributing to the increase in global temperatures via the greenhouse effect EXCEPT
A. O2 B. CH4 C. N2O D. CO2 E. CFC'S |
A. O2
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A sample of radioactive waste has a half-life of 10 years and an activity level of 2 curies. After how many years will the activity level of this sample be 0.25 curie?
A. 10 yrs B. 20 yrs C. 30 yrs D. 40 yrs E. 80 yrs |
C. 30 yrs
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The most abundant gas in Earth's atmosphere is
A. Nitrogen B. Oxygen C. Water vapor D. Carbon Dioxide E. Hydrogen |
A. Nitrogen
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All of the following substances are derived from petroleum EXCEPT
A. Asphalt B. DDT C. Cellulose D. Plystyrene E. Nylon |
C. Cellulose
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Most volcanism in the world is associated with
A. Plate Boundaries B. Mid continental hot spots C. Faulting D. Aquifer depletion E. Desertification |
A. Plate Boundaries
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Compared with people in developing countries, people in industrialized countries are more likely to eat
A. Beans B. Beef C. Corn D. Rice E. Wheat |
B. Beef
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The current world population is closest to which of the following?
A. 1 million B. 500 million C. 1 Billion D. 5 billion E. 20 billion |
D. 5 billion
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Of the following organisms, which occupies the lowest trophic level?
A. Spider B. Deer C. Lion D. Hawk E. Snake |
B. Deer
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Which of the following is most likely to be direct result of lack of genetic diversity in a food crop such as corn?
A. decreased kernel size B. Decreased potential yield C. Decreased dependence on chemical fertilizers D. Increased susceptibility to plant disease E. Increased resistance to pests |
D. Increased susceptibility to plant disease
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Of the following, which is the best example of a point source water pollution?
A. Factory effluent B. Storm water C. Acid precipitation D. Agricultural run off E. Residential pesticide run off |
A. Factory effluent
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Which of the following best describes the mechanism of the greenhouse effect in Earth's atmosphere?
A. Ultraviolet radiation from the Sun is absorbed by ozone gas in the stratosphere B. Gamma radiation from the Sun is absorbed at ground level by dust particles in the atmosphere C. Infrared radiation from Earth's surface is absorbed by gases in the atmosphere D. Cosmic radiation from deep space is absorbed by gases in the atmosphere E. Alpha radiation from the Sun is absorbed by water vapor in the atmosphere |
C. Infrared radiation from Earth's surface is absorbed by gases in the atmosphere
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Which of the following is an inorganic compound?
A. Ethanol B. Benzene C. Table Salt D. Sucrose E. Propane |
C. Table Salt
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