Question 1

The continental rise is a product of ________.

Accepted Answer

A)  volcanic activity 
B)  sedimentation 
C)  seismic upheaval 
D)  All of these are correct. 
E)  None of these is correct. 
A)  volcanic activity 
B)  sedimentation 
C)  seismic upheaval 
D)  All of these are correct. 
E)  None of these is correct.

Question 2

Diatoms and radiolarians produce biogenic sediments based on the element ________.

Accepted Answer

A)  nitrogen 
B)  calcium 
C)  silicon 
D)  sulfur 
E)  potassium 
A)  nitrogen 
B)  calcium 
C)  silicon 
D)  sulfur 
E)  potassium

Question 3

Satellite radar altimeters measure sea surface topography.

Accepted Answer

A) True 
 B)False

Question 4

Calcareous oozes are more common in deep water than shallow water.

Accepted Answer

A) True 
 B)False

Question 5

In the deep sea, biogenous sediments make up the majority of the pelagic deposits.

Accepted Answer

A) True 
 B)False

Question 6

Guyots are flat-topped islands.

Accepted Answer

A) True 
 B)False

Question 7

The deepest depth of the oceans is located in which trench?

Accepted Answer

A)  Japan-Kuril 
B)  Aleutian 
C)  Peru-Chile 
D)  Puerto Rico-Cayman 
E)  Mariana 
A)  Japan-Kuril 
B)  Aleutian 
C)  Peru-Chile 
D)  Puerto Rico-Cayman 
E)  Mariana

Question 8

A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of nonmarine origin is called a ________.

Accepted Answer

A)  pelagic deposit 
B)  rafted deposit 
C)  hydrogenic deposit 
D)  turbidite 
E)  well-sorted deposit 
A)  pelagic deposit 
B)  rafted deposit 
C)  hydrogenic deposit 
D)  turbidite 
E)  well-sorted deposit

Question 9

Why do small particles descend to the seafloor at rates exceeding expectation?

Accepted Answer

A)  The particles attract each other. 
B)  The particles increase their density. 
C)  The particles are incorporated into the fecal pellets of small animals. 
D)  The particles attract each other and the particles are incorporated into the fecal pellets of small animals. 
E)  The particles attract each other, the particles increase their density, and the particles are incorporated into the fecal pellets of small animals. 
A)  The particles attract each other. 
B)  The particles increase their density. 
C)  The particles are incorporated into the fecal pellets of small animals. 
D)  The particles attract each other and the particles are incorporated into the fecal pellets of small animals. 
E)  The particles attract each other, the particles increase their density, and the particles are incorporated into the fecal pellets of small animals.

Question 10

Gas hydrates are rich in ________.

Accepted Answer

A)  ethanol 
B)  diesel 
C)  propane 
D)  carbon dioxide 
E)  methane 
A)  ethanol 
B)  diesel 
C)  propane 
D)  carbon dioxide 
E)  methane

Question 11

A fathom is a unit of ________.

Accepted Answer

A)  distance 
B)  depth 
C)  speed 
D)  weight 
E)  time 
A)  distance 
B)  depth 
C)  speed 
D)  weight 
E)  time

Question 12

Hydrogenous sediments of the deep-ocean floor predominate in regions where other sediment sources are reduced.

Accepted Answer

A) True 
 B)False

Question 13

Passive continental margins are commonly associated with volcanic and earthquake activity.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is most likely a major component of open-ocean sediments along the Equator?

Accepted Answer

A)  Siliceous ooze 
B)  Calcareous ooze 
C)  Cosmogenous materials 
D)  Hydrogenous sediments 
E)  Lithogenous sediments 
A)  Siliceous ooze 
B)  Calcareous ooze 
C)  Cosmogenous materials 
D)  Hydrogenous sediments 
E)  Lithogenous sediments

Question 15

Barrier reefs can develop into atolls as the seafloor sinks with age.

Accepted Answer

A) True 
 B)False

Question 16

Pelagic sediments are commonly more fine-grained than neritic sediments.

Accepted Answer

A) True 
 B)False

Question 17

Lithogenous sediment is ________.

Accepted Answer

A)  derived from rock 
B)  derived from plants and animals 
C)  always found at depths over 4500 m 
D)  always associated with deep-sea trenches 
E)  derived from the chemistry of the water 
A)  derived from rock 
B)  derived from plants and animals 
C)  always found at depths over 4500 m 
D)  always associated with deep-sea trenches 
E)  derived from the chemistry of the water

Question 18

Sediment accumulation in the deep ocean tends to be greater than near the continental margins.

Accepted Answer

A) True 
 B)False

Question 19

Particles of a well-sorted sediment sample fall within a limited size range.

Accepted Answer

A) True 
 B)False

Question 20

What minimum percent must be exceeded for a deep-sea biogenic ooze to be named after its principal component?

Accepted Answer

A)  75 
B)  50 
C)  30 
D)  20 
E)  10 
A)  75 
B)  50 
C)  30 
D)  20 
E)  10

The continental rise is a product of ________.

Diatoms and radiolarians produce biogenic sediments based on the element ________.

Satellite radar altimeters measure sea surface topography.

Calcareous oozes are more common in deep water than shallow water.

In the deep sea, biogenous sediments make up the majority of the pelagic deposits.

Guyots are flat-topped islands.

The deepest depth of the oceans is located in which trench?

A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of nonmarine origin is called a ________.

Why do small particles descend to the seafloor at rates exceeding expectation?

Gas hydrates are rich in ________.

A fathom is a unit of ________.

Hydrogenous sediments of the deep-ocean floor predominate in regions where other sediment sources are reduced.

Passive continental margins are commonly associated with volcanic and earthquake activity.

Which of the following is most likely a major component of open-ocean sediments along the Equator?

Barrier reefs can develop into atolls as the seafloor sinks with age.

Pelagic sediments are commonly more fine-grained than neritic sediments.

Lithogenous sediment is ________.

Sediment accumulation in the deep ocean tends to be greater than near the continental margins.

Particles of a well-sorted sediment sample fall within a limited size range.

What minimum percent must be exceeded for a deep-sea biogenic ooze to be named after its principal component?

The Water Planet

Earth Structure and Plate Tectonics

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters

Exam 3: The Sea Floor and Its Sediments

The continental rise is a product of ________.

Diatoms and radiolarians produce biogenic sediments based on the element ________.

Satellite radar altimeters measure sea surface topography.

Calcareous oozes are more common in deep water than shallow water.

In the deep sea, biogenous sediments make up the majority of the pelagic deposits.

Guyots are flat-topped islands.

The deepest depth of the oceans is located in which trench?

A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of nonmarine origin is called a ________.

Why do small particles descend to the seafloor at rates exceeding expectation?

Gas hydrates are rich in ________.

A fathom is a unit of ________.

Hydrogenous sediments of the deep-ocean floor predominate in regions where other sediment sources are reduced.

Passive continental margins are commonly associated with volcanic and earthquake activity.

Which of the following is most likely a major component of open-ocean sediments along the Equator?

Barrier reefs can develop into atolls as the seafloor sinks with age.

Pelagic sediments are commonly more fine-grained than neritic sediments.

Lithogenous sediment is ________.

Sediment accumulation in the deep ocean tends to be greater than near the continental margins.

Particles of a well-sorted sediment sample fall within a limited size range.

What minimum percent must be exceeded for a deep-sea biogenic ooze to be named after its principal component?

The Water Planet

Earth Structure and Plate Tectonics

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters