Practice Exam 2 ENVS 1126 LAWS
Chapter 5 In regions where various types of vegetation coexist and compete, periodic fires do not tipped the balance in favor of
oak trees
Chapter 14 The United States has extensive deposits of _________________ in Colorado, Texas, Utah, and Wyoming that, if exported, could yield the equivalent of an estimated 800 billion barrels of oil.
oil shale
Chapter 7 Climate moderation is an example of which one of the following kinds of ecosystem services?
regulating
Chapter 16 The forms of renewable energy that currently account for the greatest amount of renewable energy production in United States are
Biomass and hydropower
Chapter 11 Which one of the following soil horizons does not contain humus?
C
Chapter 14 Which one of the following countries account for the most oil imported by the United States?
Canada
Chapter 13 Pheromones have not been used to control which one of the following pest?
Cassava mealybug
Chapter 12 Which one of the following countries is the only country in the world with extensive government-supported urban agriculture?
China
chapter 16 The country with the greatest number of solar hot water heaters is?
China
chapter 2 The M Montreal Protocol was an international agreement to phase out the production of
Chlorofluorocarbons
chapter 9 Which one of the following is the major cause of mortality in the least developed countries of the world?
Communicable diseases
chapter 2 Which of the following countries have centrally planned economies?
Cuba and North Korea
Which one of the following is not involved in maintaining population equilibrium?
Drought
Chapter 7 Which one of the following is not an example of consumptive use?
Fish are caught in sold on the international market
chapter 15 Which of the following countries generates the greatest percentage of its electricity from nuclear power plants?
France
Chapter 6 which one of the following problems is not attributable to habitat destruction?
In Texas, fire ants are estimated to kill 20% of songbird babies before they leave the nest
Chapter 14 The top three primary sources of energy in the United States are
Natural gas, coal, and oil
Chapter 10 Global warming during the 21st century is expected to
Speed up the hydrologic cycle and slow the thermohaline circulation of the ocean
Chapter 9 which one of the following statements is not true about Grameen Bank?
The loans have been found to have the greatest social benefit when focused on men
chapter 15 The site recommended by the Nuclear Regulatory Commission for long-term disposal of radioactive waste from the nuclear power industry in the United States is
Yucca Mountain, Nevada
Chapter 15 In hey nuclear power plant fueled with uranium-235, what is the purpose of the moderator?
slow neutrons
chapter 12 M millennium Development Goal 1 was to reduce by 50% the proportion of children under age five who were moderately or severely underweight. Which one of the following regions had not achieved that goal by 2012?
sub-Saharan Africa
Chapter 6 Current rates of extinction of species are estimated to be roughly ___________________ rates of extinction prior to the Anthropocene.
100 to 1000
The amount of biomass on successive trophic levels in a food chain forms a pyramid in which the biomass on trophic level N+1 is on 20% of the biomass on trophic level N. If pesticide P is transferred from one trophic level to the next with 80% efficiency, what will be the concentration of P on trophic level 5 if the concentration of P on trophic level 2 is 4 parts per million (ppm)?
256 ppm
chapter 8 In hypothetical country A, everyone dies when they reach the age of 60. In hypothetical country B, which has a better health care system, everyone dies when they reach the age of 80. If the total population of both countries is stable, what percentage of the total population would you expect to be in the age group 21-40 years inclusive?
33% in country A and 25% in country B
chapter 1 Of the CO2 that has been emitted to the atmosphere as a result of human activities since the start of the industrial revolution, approximately what percentage is currently in the atmosphere?
50
Chapter 11 Which one of the following soil horizons is also called topsoil?
A
chapter 9 Which on of the following was not part of China's one-child policy?
Additional food rations for same-sex couples
chapter 3 the gradual decrease of global average temperatures from 1940 to 1980 was caused by?
Aerosols emitted by coal-burning power plants
Chapter 10 which one of the following statements is true about a Hadley cell?
Air rises at the equator and sinks at 30 degrees latitude
chapter 16 Which one of the following regions of the world has the greatest installed PV panel electricity generating capacity?
Europe
Chapter 12 Irrigated acreage currently accounts for
Less than half of all cropland and produces less than half of the worlds food
chapter 8 The fertility rate in Burkino Faso has exceeded the replacement rate for many years and is currently about 5.2. If the fertility rate were to suddenly drop to the replacement rate, why would the population of Burkino Faso continue to increase?
Population momentum
chapter 10 Which one of the following statements is NOT true?
Roughly 140,000 deaths each year are traced to waterborne diseases
Chapter 3 which one of the following is an example of an ecotone?
Salt marsh
Chapter 1 Which one of the following is not one of the vital concepts that move societies towards a sustainable future?
Security
chapter 4 Amensalism is an example of?
Symbiosis
chapter 9 Which one of the following statements describes what happens when countries pass through the fertility transition?
The dependency ratio decreases and then increases
Chapter 8 Which one of the following statements is true?
The epidemiologic transition has preceded the fertility transition
Chapter 16 The forms of renewable energy that currently account for the greatest amount of electricity production in the world are
Wind and hydroelectric
Chapter 15 Which one of the following is not one of the purposes of pumping water through the core of a nuclear reactor fueled with uranium-235?
control the rate of the chain reaction
Chapter 12 The three principal greenhouse gases emitted as a result of agricultural activities are
methane, carbon dioxide, and nitrous oxide
Chapter 14 Most electric power plants built in United States United States since 2000 use which one of the following sources of energy?
natural gas
Chapter 10 If the earth rotated in the opposite direction, the Tradewinds in northern hemisphere would blow from the
northwest
Chapter 13 Which one of the following kinds of pesticides is responsible for most pesticide poisonings of humans?
organophosphates
Chapter 11 Which one of the following soils would you expect to find in a tropical rain forest?
oxisol
Chapter 5 Terrestrial biomes are groups of ecosystems characterized by similar types of
plants and climate
Chapter 8 The Neolithic Revolution began in
the Middle East about 12,000 year ago
chapter 13 Which of the following statements correctly characterizes the results of using pesticides in agriculture globally?
the quantity of cops lost to pests has increased and the percentage of crops lost to pest has increased
Chapter 11 The process by which water vapor passes through stomata from plants to the atmosphere is called
transpiration
