ENVS 1126 Exam 2 Practice

chapter 12 Irrigated acreage currently accounts for Select one: a. more than half of all cropland and produces more than half of the world's food b. less than half of all cropland and produces less than half of the world's food c. more than half of all cropland but produces less than half of the world's food d. less than half of all cropland but produces more than half of the world's food

less than half of all cropland and produces less than half of the world's food

chapter 16 The forms of renewable energy that currently account for the greatest amount of renewable energy production in the 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 accounts for the most oil imported by the United States?

Canada

The country with the greatest number of solar hot water heaters is

China

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 12 Which one of the following countries is the only country in the world with extensive government-supported urban agriculture? Select one: a. Cuba b. Israel c. China d. Russia

Cuba

Which of the following countries have centrally planned economies?

Cuba and North Korea

chapter 7 : Which one of the following is not an example of consumptive use? Select one: a. Fruits and nuts are collected to supplement the food needs of local people b. Firewood is collected to boil water and cook food c. Wild game is killed to provide food for a family d. Fish are caught and sold on the international market

Fish are caught and sold on the international market

chapter 6 : Which one of the following problems is not attributable to habitat destruction? Select one: a. More than a million animals per day become roadkill in the U.S. b. Telecommunication towers kill an estimated 5-50 million birds each year in the U.S. c. In Texas, fire ants are estimated to kill 20% of songbird babies before they leave the nest d. Between 100 million and 1 billion birds die each year by crashing into glass windows

In Texas, fire ants are estimated to kill 20% of songbird babies before they leave the nest

chapter 10 : If Earth rotated in the opposite direction, the Trade Winds in the northern hemisphere would blow from the Select one: a. northwest b. southwest c. northeast d. southeast

Northwest

chapter 3 : The gradual decrease of global average temperatures from 1940 to 1980 was caused by Select one: a. Milankovitch cycles b. Aerosols emitted by coal-burning power plants

Aerosols emitted by coal-buring power plants

chapter 15 Which of the following countries generates the greatest percentage of its electricity from nuclear power plants?

France

chapter 10 Global warming during the 21st century is expected to Select one: a. Slow the hydrologic cycle and the thermohaline circulation of the ocean b. Slow the hydrologic cycle and speed up the thermohaline circulation of the ocean c. Speed up the hydrologic cycle and the thermohaline circulation of the ocean d. Speed up the hydrologic cycle and slow the thermohaline circulation of the ocean

Speed up the hydrologic cycle and slow the thermohaline circulation of the ocean

chapter 12 The three principal greenhouse gases emitted as a result of agricultural activities are Select one: a. carbon dioxide, nitrous oxide, and ozone b. ozone, methane, and carbon dioxide c. methane, carbon dioxide, and nitrous oxide d. nitrous oxide, ozone, and methane

c. methane, carbon dioxide, and nitrous oxide

The top three primary sources of energy in the United States are

natural gas,coal, and oil

chapter 5 : In regions where various types of vegetation coexist and compete, periodic fires do not tip the balance in favor of

oak trees

chapter 14 The United States has extensive deposits of ________________ in Colorado, Texas, Utah, and Wyoming that, if exploited, could yield the equivalent of an estimated 800 billion barrels of oil.

oil shale

chapter 5 : Terrestrial biomes are groups of ecosystems characterized by similar types of Select one: a. climate and carnivores b. herbivores and plants c. carnivores and herbivores d. plants and climate

plants and climate

Climate moderation is an example of which one of the following kinds of ecosystem services?

regulating

chapter 8 : The Neolithic Revolution began in

the Middle East about 12,000 years ago

chapter 6 : Current rates of extinction of species are estimated to be roughly ___________ rates of extinction prior to the Anthropocene. Select one: a. 100 to 1000 b. 1 to 10 c. 10 to 100 d. 1000 to 10,000

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 only 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

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

Topsoil

A

chapter 9 : Which one of the following was not part of China's one-child policy? Select one: a. Monthly subsidy for one-child families b. Additional food rations for same-sex couples c. Housing preferences for one-child families d. Job priority for only children

Additional food rations for same-sex couples

chapter 16 Which one of the following regions of the world has the greatest installed PV panel electricity generating capacity?

Europe

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? Select one: a. Roughly 140,000 deaths each year are traced to waterborne diseases b. Globally about 15-20% of all electricity is generated by hydroelectric dams c. Roughly 800 million people do not have access to safe drinking water d. Globally about 2 billion people do not have access to adequate sanitation services

Roughly 140,000 deaths each year are traced to waterborne diseases

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 toward a sustainable future? Select one: a. Security b. Sustainability c. Stewardship d. Sound science

Security

chapter 4 : Amensalism is an example of Select one: a. Predation b. Symbiosis c. Commensalism d. Competition

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

Which one of the following statements is not true about the Grameen Bank? Select one: a. The loans have been found to have the greatest social benefits when focused on men b. Recipients of the loans form credit associations c. It loans small amounts of money to poor people d. The payback rate on the loans has exceeded 97%

The loans have been found to have the greatest social benefits when focused on men

chapter 13 Which of the following statements correctly characterizes the results of using pesticides in agriculture globally? Select one: a. The quantity of crops lost to pests has decreased and the percentage of crops lost to pests has decreased b. The quantity of crops lost to pests has increased and the percentage of crops lost to pests has increased c. The quantity of crops lost to pests has increased but the percentage of crops lost to pests has decreased d. The quantity of crops lost to pests has decreased but the percentage of crops lost to pests has increased

The quantity of crops lost to pests has increased and the percentage of crops lost to pests has increased

chapter 16 The forms of renewable energy that currently account for the greatest amount of electricity production in the world are Select one: a. Hydroelectric and solar photovoltaic b. Wind and hydroelectric c. Wind and biomass d. Solar photovoltaic and biomass

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

A : Which one of the following is not involved in maintaining population equilibrium? Select one: a. Disease b. Predation c. Food supply d. Drought

drought

Most electric power plants built in the United States since 2000 use which one of the following sources of energy?

natural gas

chapter 13 Which one of the following kinds of pesticides is responsible for most pesticide poisonings of humans? Select one: a. carbamates b. pyrethroids c. organophosphates d. chlorinated hydrocarbons

organophosphates

chapter 11 Which one of the following soils would you expect to find in a tropical rain forest?

oxisol

chapter 12 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? Select one: a. Latin America b. Western Asia c. sub-Saharan Africa d. Eastern Asia

sub-Saharan Africa

chapter 10 Which one of the following statements is true about a Hadley cell? Select one: a. Air rises at the equator and sinks at 30 degrees latitude b. Air rises at 60 degrees latitude and sinks at 30 degrees latitude c. Air sinks at 60 degrees latitude and rises at 30 degrees latitude d. Air sinks at the equator and rises at 30 degrees latitude

Air rises at the equator and sinks at 30 degrees latitude

chapter 13 Pheromones have not been used to control which one of the following pests? Select one: a. Boll weevil b. Tomato pinworm c. Cassava mealybug d. Coddling moth

Cassava mealybug

chapter 8 : Which one of the following statements is true? Select one: a. The demographic transition has preceded the fertility transition b. The epidemiologic transition has preceded the fertility transition c. The fertility transition has preceded the epidemiologic transition d. The demographic transition has preceded the epidemiologic transition

The epidemiologic transition has preceded the fertility transition

chapter 11 The process by which water vapor passes through stomata from plants to the atmosphere is called

Transpiration

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 Select one: a. Yucca Mountain, Nevada b. The Waste Isolation Pilot Plant near Carlsbad, New Mexico c. The sediments at the bottom of the ocean within the territorial waters of the United States off the coast of California d. The San Andreas Fault near Palm Springs, California

Yucca Mountain, Nevada

chapter 15 In a nuclear power plant fueled with uranium-235, what is the purpose of the moderator? Select one: a. slow neutrons b. shut down the reactor if there is a loss of cooling water c. prevent a runaway chain reaction d. maintain power output within a specified range

slow neutrons