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Multiple Choice Quiz
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1
A drainage basin is:
A)the length of a large river.
B)a lake or ocean into which a river drains.
C)the lowest level a river can erode.
D)the total area drained by a stream and its tributaries.
2
Stream erosion and deposition are controlled primarily by a river's:
A)discharge.
B)channel shape.
C)gradient.
D)velocity.
3
The hydrologic cycle is:
A)the recycling of water through the Earth system.
B)the process of obtaining water from a well or other water source.
C)the time it takes for water to travel through a municipal water supply system.
D)none of these.
4
The headwaters of a stream are always located:
A)at the terminus of the stream where it enters another body of water.
B)at the midpoint of the longitudinal profile of the stream.
C)at the source of the stream.
D)at the mouth of the stream.
5
The largest drainage basin in the continental United States is:
A)The Mississippi River drainage basin.
B)The Arkansas River drainage basin.
C)The Columbia River drainage basin.
D)The Colorado River drainage basin.
6
A stream's discharge is:
A)influenced by channel width and depth, stream gradient, channel shape, and channel roughness.
B)the product of a stream's velocity and channel cross-sectional area.
C)the volume of water passing a fixed point per unit time.
D)all of these
7
The gradient of a stream that drops 10 feet over a horizontal distance of 10 miles is:
A)2.5 feet per mile.
B)1 foot per mile.
C)10 feet per mile.
D)20 feet per mile.
8
In the United States, the standard unit of discharge used by the United States Geological Survey Water Resources Division is:
A)meters per second.
B)cubic feet per second.
C)liters per minute.
D)cubic meters per second.
9
Hydraulic action, solution, and abrasion are all examples of:
A)stream discharge.
B)stream transportation.
C)stream deposition.
D)stream erosion.
10
Cobble-sized particles are most likely to be transported as part of a stream's:
A)suspended load.
B)dissolved load.
C)surface load.
D)bed load.
11
Sand bars deposited on the inner curve of a stream meander are called:
A)point bars.
B)meander bars.
C)quick sands.
D)sand bars.
12
Which of the following is not a drainage pattern?
A)radial.
B)dendritic.
C)trellis.
D)braided.
13
A body of sediment deposited at the mouth of a river is called:
A)a wedge.
B)a delta
C)an alluvial fan.
D)none of these
14
The average time between floods of a given magnitude is:
A)the flood incidence.
B)the flood frequency.
C)the flood stage.
D)none of these.
15
By definition, a flood is:
A)an interval of time during which a stream occupies its flood plain.
B)an interval of time during which stream discharge flows most rapidly.
C)an interval of time during which stream velocity increases its discharge.
D)none of these is an adequate definition of a flood
16
In urban areas, floods often become more frequent because:
A)storm sewers pass runoff more efficiently to streams.
B)extensive pavement limits infiltration to the soil.
C)extensive pavement increases runoff to streams.
D)all of these contribute to increase flooding in urban areas
17
A particular stream has a 47-year record of peak discharges available on the Internet. What is the recurrence interval of the 4th-ranked flood in this record?
A)4 times every 100 years
B)10.75 years
C)188 years
D)12 years
18
Methods that have been used to control damage from floods include:
A)construction of levees and flood walls along streams.
B)relocating entire communities out of flood plains.
C)construction of dams along streams.
D)all of these
19
A broad strip of land built by sedimentation on both sides of a stream channel is called:
A)the flood plain.
B)the meander loop.
C)the channel
D)the point bar
20
Besides Earth, what other planets show evidence of stream erosion?
A)Mars
B)Jupiter
C)Venus
D)Mercury





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