Unit 34 | Student Practice Quizzes | Physical Geography: The Global Environment, Second Edition

Instructions: For each question, click on the radio button beside your answer. When you have completed the entire quiz, click the Submit my answers button at the bottom of the page to receive your results.

Question 1:

The first step in alluvial fan formation is the formation of a(n) ________.
a) braided stream
b) midstream bar
c) an apex
d) a bajada
e) a terrace

Question 2:

When several alluvial fans coalesce, the result is a(n) ________.
a) arroyo
b) meander
c) ephemeral stream
d) oxbow lake
e) bajada

Question 3:

When a meander is cut off permanently from a river, it forms a(n) ________.
a) bluff
b) oxbow lake
c) bajada
d) floodplain
e) gully

Question 4:

Remnants of older floodplains that lie above a new floodplain are called a(n) ________.
a) shelf
b) delta
c) terrace
d) distributary
e) oxbow

Question 5:

Steep channel slopes are associated with what type of delta?
a) Birdfoot
b) Fan-foreset
c) Topset
d) Bottomset
e) Midset

Question 6:

The finest sediments from a river are deposited on which type of bed?
a) Topset
b) Foreset
c) Birdfoot
d) Bottomset
e) Midset

Question 7:

Ridges of sediment deposited on the margin of a stream are called ________.
a) natural levees
b) incised meanders
c) oxbow lakes
d) alluvial fans
e) bottomset beds

Question 8:

A meandering stream is one having ________.
a) numerous sand and gravel bars in its channel
b) a single, sinuous channel
c) a broad shallow channel
d) a deep, narrow valley
e) long, straight reaches and waterfalls

Question 9:

Forest beds are built from the leading edge of the topset bed in ________.
a) alluvial fans
b) deltas
c) point bars
d) natural levees
e) deltas

Question 10:

Which factor does not directly influence the shape of a delta?
a) Volume of the stream
b) Amount of sediment in the stream
c) Strength and height of tides
d) Configuration of the continental shelf
e) None of the above are a factor.

Question 11:

A stream that has more sediment to move than it can carry at one time is likely to be ________.
a) mature
b) meandering
c) braided
d) youthful
e) infrequent

Question 12:

Meandering happens because ________.
a) of energy losses due to water flow over pools and riffles
b) the landscape is millions of years old
c) the river suddenly slows down
d) the river suddenly speeds up
e) the gradient of the river increases

Question 13:

River deltas on coastlines influenced by waves tend to ________.
a) build far offshore
b) be spread along the coastline
c) have many parallel islands and channels
d) have a smoothly curved front
e) has a jagged front with ‘birdtoes’

Question 14:

River deltas on deep bottom lakes in mountainous areas are called ________.
a) braid deltas
b) fan-forest deltas
c) table channel mouth deltas
d) wave-influenced deltas

Question 15:

River deltas on coastlines where deposition is most important tend to ________.
a) build far offshore
b) be spread along the coastline
c) have most deposition take place in point bars upstream
d) have a smoothly curved front

Question 16:

A trunk river receives distributaries in its drainage basin and develops tributaries in its delta.
a) True
b) False

Question 17:

Floodplains develop when meanders widen and shift downstream.
a) True
b) False

Question 18:

Floods deposit material that adds to a river’s natural levee.
a) True
b) False

Question 19:

An ephemeral stream is different from a permanent stream only in terms of overall size.
a) True
b) False

Question 20:

After the formation of a midstream bar, a stream becomes braided.
a) True
b) False

Question 21:

A river may have paired or unpaired terraces.
a) True
b) False

Higher Education

Physical Geography: The Global Environment, Second Edition - Unit 34