Chapter 9 Quiz

Groundwater recharge . . . A) Is the result of precipitation B) Sometimes occurs as a spring C) Occurs rapidly in confined aquifers D) Can cause saltwater intrusions E) Does not occur in unconfined aquifers

A

In the United States, most water is used for . . . A) Agriculture B) Households C) Industry D) Transportation E) Hydroelectric plants

A

What percentage of Earth's water is fresh water? A) 3 percent B) 10 percent C) 50 percent D) 90 percent E) 97 percent

A

Which is true of floodplains? A) They have increased fertility B) Humans are unable to use them C) They occur near ponds and lakes D) They are the result of glaciation E) They occur in areas with saltwater intrusions

A

Which of the following is NOT a water conservation technique? A) Flood irrigation B) Reduced-flow showerheads C) Recycling of industrial water D) Dual-flush toilets E) Front-loading washing machines

A

Which of the following statements about desalination is correct? A) Distillation requires more energy than reverse osmosis B) The brine left over from desalination is not harmful when returned to the ocean C) Large-scale desalination of water is affordable to all nations D) Desalination of ocean water is not yet a feasible endeavor E) Most desalination occurs in North America

A

Which statement about aqueducts is correct? A) Aqueducts designed as open canals can lose a lot of water through evaporation B) Aqueducts are a modern invention C) Aqueducts do not divert water from lakes D) Aqueducts do not affect the amount of water remaining in rivers E) Aqueducts move water from locations where the demand for water is high

A

Water diversion has significantly reduced the size of . . . A) Lake Erie B) The Aral Sea C) The Nile D) Lake Baikal E) The Baltic Sea

B

Which is one of the top three largest rivers by volume? A) The Nile B) The Congo C) The MIssissippi D) The Yellow River E) The Volga

B

Which of the following contrasts between confined and unconfined aquifers is correct? A) Confined aquifers are more rapidly recharged B) Only confined aquifers can produce artesian wells C) Only unconfined aquifers are overlain by a layer of impermeable rock D) Only unconfined aquifers have a water table above them E) Only unconfined aquifers can be drilled for wells to extract water

B

Which of the following lists of household water uses is in the correct order, from highest to lowest? A) Toilet, laundry, cooking and drinking, bathing B) Toilet, bathing, laundry, cooking and drinking C) Laundry, bathing, toilet, cooking and drinking D) Bathing, toilet, laundry, cooking and drinking E) Bathing, toilet, cooking and drinking, laundry

B

The primary use of industrial water in the United States is . . . A) Mining B) Paper products C) Electricity generation D) Construction E) Cooling and heating

C

When deep wells are heavily pumped, one result can be . . . A) Decreased groundwater recharge B) Spring formation C) A cone of depression D) Increased groundwater recharge E) A rise in the water table

C

Which is true of desalination? A) The technique of distillation requires less energy than reverse osmosis B) Desalination is primarily used in North Africa C) The technique of reverse osmosis leaves brine D) Desalination plants are common in developing nations E) Brine can be dumped onto land without affecting plant and animal life

C

The issue of water ownership is complicated by I. The irregularity of percipitation II. The distance rivers can travel III. Increased demand for water A) I and II B) I and III C) II and III D) III only E) I, II, and III

E

Which of the following lists of agricultural irrigation techniques is in the correct order, from least efficient to most efficient? A) Drip irrigation, furrow irrigation, flood irrigation, spray irrigation B) Spray irrigation, furrow irrigation, flood irrigation, drip irrigation C) Furrow irrigation, flood irrigation, spray irrigation, drip irrigation D) Furrow irrigation, spray irrigation, drip irrigation, flood irrigation E) Furrow irrigation, flood irrigation, drip irrigation, spray irrigation

C

Which of the following statements about surface waters is NOT correct? A) Historically, most rivers regularly spilled over their banks B) The largest river in the world is the Amazon River C) Levees are used to make reservoirs D) Dikes are human-made structures that keep ocean water from moving inland E) Wetlands play an important role in reducing the likelihood of flooding

C

A water-efficient washer costs $400 more than a regular washer and saves 100 L of water for each load. If water costs $5 per 1,000 L and you was 100 loads each year, how many years will it take you to recoup the extra cost of the machine? A) 10 B) 5 C) 4 D) 8 E) 1

D

Drought conditions . . . A) Can result in increased nutrient cycling B) Decrease the severity of flooding C) Are rarely affected by human activities D) Cause increased erosion E) Are most common in northern latitudes

D

Which cannot reduce the effects of flooding? A) Levees B) Dams C) Freshwater wetlands D) Impermeable surfaces E) Dikes

D

Which irrigation method is the most efficient? A) Furrow irrigation B) Spray irrigation C) Flood irrigation D) Drip irrigation E) Condensate irrigation

D

Which is NOT a primary use of dams? A) Recreation B) Electricity generation C) Flood control D) Habitat restoration E) Agricultural uses

D

Which is NOT true of levees? A) They limit the benefits of floodplains B) They are very similar in function to dikes C) They can lead to increased flooding downstream D) They discourage the use of floodplains E) They increase sediment deposition in the ocean

D

Which of the following statements about dams is NOT correct? A) Dams are used to reduce the risk of flooding B) Dams can cause increased water temperatures C) The water held back by a dam is called a reservoir D) Fish ladders allow migrating fish to move past dams E) Most dams are built to generate electricity

E

Which of the following statements about the industrial use of water is NOT correct? A) It is used to refine metals B) It is used to create steam C) It is important in generating electricity D) It plays a role in making paper products E) Its use is becoming less efficient

E