Human Population: Behaviors
Which best describes why many people in the world go hungry?
A. Food production hasn't increased as fast as the human population
B. There is plenty of food produced for everyone to have more than enough, but it is not distributed equally
C. Global warming has contributed to crop failures
A. Food production hasn't increased as fast as the human population
What air pollution control devices reduce carbon monoxide and nitrogen oxide emissions from automobiles?
A. aeration tanks
B. catalytic converters
C. fuel rods
D. wet scrubbers
B. catalytic converters
What is a risk of using chemical pesticides on crops?
A. chemical contamination of streams and rivers
B. rotating crop production
C. genetic mutation of existing crops
D. attracting more insects to the harvestable product
A. chemical contamination of streams and rivers
What can consumers do to make sure that more materials are recycled?
A. buy products made from recycled materials
B. buy biodegradable plastics
C. use canvas bags when shopping
D. use paper bags instead of plastic bags
A. buy products made from recycled materials
Which of the following is true about genetic engineering of food crops?
A. Genetic engineering modifies genetic material to create better crops.
B. Genetic engineering is one of the leading causes of malnutrition.
C. Genetic engineering makes crops require more water and pesticides.
A. Genetic engineering modifies genetic material to create better crops.
Which is the best solution to meet energy demands while protecting the environment?
A. grow more corn to produce ethanol
B. build more nuclear power plants
C. find and burn new sources of oil and coal
D. improve energy efficiency and reduce energy waste
D. improve energy efficiency and reduce energy waste
Which of the following air pollutants is not a primary pollutant?
A. Particulate Matter
B. Ozone
C. Sulfur dioxide
D. Volatile organic compound (VOCs)
B. Ozone
A body of water is covered in a thick film of algae that grew because of runoff of fertilizers from local farms and lawns. How will this growth of algae most likely affect this water environment?
It will lower the amount of sunlight that reaches the plants underwater.
What is reforestation?
A. removing all trees from an area
B. removing selected trees from an area
C. replanting trees in an area
D. None of the above
C. replanting trees in an area
The results of the green revolution were not entirely positive because
A. there were too few subsistence farmers
B. use of pesticides and fertilizers increased the risk of pollution
C. substantial resources were no longer required to grow the new grain varieties
D. All the above
B. use of pesticides and fertilizers increased the risk of pollution
What can consumers do to make sure that more materials are recycled?
A. buy products made from recycled materials
B. buy biodegradable plastics
C. use canvas bags when shopping
D. use paper bags instead of plastic bags
A. buy products made from recycled materials
Which of the following is a nonpoint source of water pollution?
A. sediment runoff from a farm
B. sewage from a septic tank
C. a discharge pipe from a sewage treatment plant
D. a leaking offshore oil rig
A. sediment runoff from a farm
Which of the following is a nonpoint source of water pollution?
A. sediment runoff from a farm
B. sewage from a septic tank
C. a discharge pipe from a sewage treatment plant
D. a leaking offshore oil rig
A. sediment runoff from a farm
It is true that soil loss caused by wind and water
A. occurs more slowly in dry areas because the soil stick together
B. is reduced by incorporating strips of vegetation into plowed land
C. only slighty exceeds the rate of soil formation on a global basis
D. is always the reult of dramatic events such as floods and mudslides
B. is reduced by incorporating strips of vegetation into plowed land
In order to feed the growing population, scientists have found ways to increase the yield of a crop. What does the term yield mean?
A. Amount of land needed for a crop.
B. Amount of chemicals used on crops.
C. Amount of water used while irrigating.
D. Amount of food produced in an area.
D. Amount of food produced in an area.
All of the following factors can cause famines except
A. the failure of food production to keep pace with population growth
B. distribution problems caused by political turmoil
C. new, higher-yield crops
D. crop failure brought on by sustained drought
C. new, higher-yield crops
Which of the following is a primary risk associated with incinerating solid waste?
A. air pollution
B. thermal pollution
C. saltwater pollution
D. groundwater pollution
A. Air pollution
What is the relationship between groundwater and surface water?
A. Surface water percolates through the soil to form groundwater.
B. There is no relationship between surface and groundwater; they form independently.
C. Groundwater filters through the soil to form surface water.
A. Surface water percolates through the soil to form groundwater.
Farmland may become desertified if
A. domestic animals are allowed to overgraze the land
B. too many crops are grown on the land and the land gradually loses it fertility
C. as a result of erosion, there is no fertile soil left to grow plants
D. All the above
D. All the above
Which of the following is the best solution to meet energy demands while protecting the environment?
A. grow more corn to produce ethanol
B. build more nuclear power plants
C. find and burn new sources of oil and coal
D. improve energy efficiency and reduce energy waste
D. improve energy efficiency and reduce energy waste
Select all of the ways humans contribute to the extinction of a species.
A. growing human population
B. consuming of resources
C. controlling invasive organisms
D. climate change
E. deforestation
F. creating protected habitats
A. growing human population
B. consuming of resources
D. climate change
E. deforestation
Which type of waste disposal method produces the most air pollution?
A. composting
B. incineration
C. landfill
D. recycling
B. incineration
What have the scientific studies identified as the major cause of acid rain in the United States?
A. volcanic ash in the air
B. chemicals still in the atmosphere from the asteroid collision with the earth
C. burning of fossil fuels that release sulfur and nitrogen compounds into the air
C. burning of fossil fuels that release sulfur and nitrogen compounds into the air
What were the 3 countries that benefited most from the Green Revolution? (MUST LIST ALL 3)
Mexico, India, Pakistan
Sulfur and nitrogen compounds in the air can combine to form what type of pollution?
A. ozone
B. hay fever
C. smog
D. ammonia
C. smog