Question 1

In general, how does the abundance of dissolved constituents in groundwater change with increasing depth inside the crust?

Accepted Answer

A)   The abundance of dissolved constituents increases.
B)   The abundance of dissolved constituents decreases.
C)   The abundance of dissolved constituents remains constant.

Question 2

The groundwater table lies at the

Accepted Answer

A)   top of the unsaturated zone.
B)   top of the saturated zone.
C)   base of the saturated zone.

Question 3

Injection of wastewater into deep wells is a strategy employed to increase groundwater recharge.

Accepted Answer

A) True 
 B)False

Question 4

The vast majority of the world's usable fresh water occurs in

Accepted Answer

A)   rivers.
B)   lakes.
C)   groundwater.

Question 5

Which of the following statements is true?

Accepted Answer

A)   Most rain falls on the windward (upwind)  side of a mountain range.
B)   Most rain falls on the leeward (downwind)  side of a mountain range.
C)   Rain falls in approximately equal amounts on the windward (upwind)  and the leeward (downwind)  side of a mountain range.

Question 6

-Region B is the __________.

Accepted Answer

A)   discharge zone
B)   recharge zone
C)   saturated zone
D)   unsaturated zone

Question 7

Which of the following is not a benefit of hydrothermal waters?

Accepted Answer

A)   formation of metal ores
B)   contribution to societal water supply
C)   generation of electricity
D)   human recreation

Question 8

What is the driving force for groundwater flow?

Accepted Answer

A)   Earth's rotation
B)   Earth's magnetic field
C)   gravity
D)   solar energy

Question 9

Stalagmites form on the ceiling of a cave, whereas stalactites form on the floor.

Accepted Answer

A) True 
 B)False

Question 10

Hydrothermal waters originate from

Accepted Answer

A)   mantle water.
B)   meteoric (surface)  water.
C)   magmatic fluids.

Question 11

Which of the following materials has the lowest porosity?

Accepted Answer

A)   unfractured shale
B)   gravel
C)   sandstone

Question 12

The deepest groundwater tends to flow the fastest.

Accepted Answer

A) True 
 B)False

Question 13

It is impossible to pump groundwater from the ground faster than it can be replenished by recharge.

Accepted Answer

A) True 
 B)False

Question 14

Which mineral group comprises the major constituent of limestone?

Accepted Answer

A)   silicate minerals
B)   carbonate minerals
C)   sulfide minerals
D)   oxide minerals

Question 15

Which process in the water cycle is the direct means of input to the groundwater reservoir?

Accepted Answer

A)   precipitation
B)   evaporation
C)   infiltration
D)   surface runoff

Question 16

Over timescales of centuries to millennia the total amount of water in the water cycle varies greatly.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is a consequence of urbanization?

Accepted Answer

A)   Decreased infiltration
B)   Decreased runoff
C)   Decreased precipitation
D)   Decreased evaporation

Question 18

-Region A is the __________.

Accepted Answer

A)   discharge zone
B)   recharge zone
C)   saturated zone
D)   unsaturated zone

Question 19

Shallow groundwater aquifers in Oak Ridge, Tennessee, and Hanford, Washington, have been contaminated by

Accepted Answer

A)   pesticides.
B)   sewage waste.
C)   radioactive wastes.

Question 20

Which of the following geologic materials is least likely to form a good aquifer?

Accepted Answer

A)   sand
B)   sandstone
C)   gravel
D)   shale

Exam 11: The Hydrologic Cycle and Groundwater

What is the driving force for groundwater flow?

Correct AnswerverifiedShow Answer

In general, how does the abundance of dissolved constituents in groundwater change with increasing depth inside the crust?

Correct AnswerverifiedShow Answer

-Region B is the __________.

Correct AnswerverifiedShow Answer

Stalagmites form on the ceiling of a cave, whereas stalactites form on the floor.

Correct AnswerverifiedShow Answer

Which process in the water cycle is the direct means of input to the groundwater reservoir?

Correct AnswerverifiedShow Answer

Which of the following is not a benefit of hydrothermal waters?

Correct AnswerverifiedShow Answer

Hydrothermal waters originate from

Correct AnswerverifiedShow Answer

Which of the following is a consequence of urbanization?

Correct AnswerverifiedShow Answer

Over timescales of centuries to millennia the total amount of water in the water cycle varies greatly.

Correct AnswerverifiedShow Answer

Shallow groundwater aquifers in Oak Ridge, Tennessee, and Hanford, Washington, have been contaminated by

Correct AnswerverifiedShow Answer

It is impossible to pump groundwater from the ground faster than it can be replenished by recharge.

Correct AnswerverifiedShow Answer

The groundwater table lies at the

Correct AnswerverifiedShow Answer

Which mineral group comprises the major constituent of limestone?

Correct AnswerverifiedShow Answer

The vast majority of the world's usable fresh water occurs in

Correct AnswerverifiedShow Answer

Injection of wastewater into deep wells is a strategy employed to increase groundwater recharge.

Correct AnswerverifiedShow Answer

-Region A is the __________.

Correct AnswerverifiedShow Answer

The deepest groundwater tends to flow the fastest.

Correct AnswerverifiedShow Answer

Which of the following geologic materials is least likely to form a good aquifer?

Correct AnswerverifiedShow Answer

Which of the following statements is true?

Correct AnswerverifiedShow Answer

Which of the following materials has the lowest porosity?

Correct AnswerverifiedShow Answer

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