Question 1

Large volumes of bottom sediments may be transported long distances by:

Accepted Answer

A)  storm waves. 
B)  icebergs. 
C)  tidal action. 
D)  turbidity currents. 
A)  storm waves. 
B)  icebergs. 
C)  tidal action. 
D)  turbidity currents.

Question 2

Most of the floor of the North Pacific Ocean is covered with:

Accepted Answer

A)  manganese nodules. 
B)  biogenous oozes. 
C)  red and brown clays. 
D)  evaporites. 
A)  manganese nodules. 
B)  biogenous oozes. 
C)  red and brown clays. 
D)  evaporites.

Question 3

Which of the following is the most abundant sediment in neritic deposits?

Accepted Answer

A)  terrigenous sediments 
B)  biogenous sediments 
C)  hydrogenous (or authigenic) sediments 
D)  cosmogenous sediments 
A)  terrigenous sediments 
B)  biogenous sediments 
C)  hydrogenous (or authigenic) sediments 
D)  cosmogenous sediments

Question 4

A depression along the boundary of a seamount where sediment has built-up is a:

Accepted Answer

A)  scour moat. 
B)  guyot. 
C)  island arc. 
D)  abyssal plain. 
A)  scour moat. 
B)  guyot. 
C)  island arc. 
D)  abyssal plain.

Question 5

The oozes on the seafloor mostly consist of:

Accepted Answer

A)  boulders and cobbles from glaciers oozing off the land. 
B)  bones and teeth of bottom-dwelling fishes. 
C)  fine muds washed down the continental slope to the seafloor. 
D)  microscopic hard parts of single-celled living organisms. 
A)  boulders and cobbles from glaciers oozing off the land. 
B)  bones and teeth of bottom-dwelling fishes. 
C)  fine muds washed down the continental slope to the seafloor. 
D)  microscopic hard parts of single-celled living organisms.

Question 6

An example of a siliceous ooze are those formed from radiolarian shells.

Accepted Answer

A) True 
 B)False

Question 7

Underlying the unconsolidated sediments of the seafloor are:

Accepted Answer

A)  basalt pillows and basement rocks. 
B)  granite crust. 
C)  glacial deposits left from the Ice Age. 
D)  ancient remnants of continental crust. 
A)  basalt pillows and basement rocks. 
B)  granite crust. 
C)  glacial deposits left from the Ice Age. 
D)  ancient remnants of continental crust.

Question 8

Manganese nodules were discovered during the Challenger expedition and are hydrogenous sediments.

Accepted Answer

A) True 
 B)False

Question 9

Radiolarians and diatoms are both examples of:

Accepted Answer

A)  multicellular organisms. 
B)  single-celled animals. 
C)  creatures whose shells form siliceous oozes. 
D)  calcareous oozes in the deepest parts of the ocean. 
A)  multicellular organisms. 
B)  single-celled animals. 
C)  creatures whose shells form siliceous oozes. 
D)  calcareous oozes in the deepest parts of the ocean.

Question 10

What is sediment and what are the 4 classifications of marine sediments based on their origin?

Accepted Answer

Sediment is a general term referring to

Question 11

Which of the following would be considered oozes?

Accepted Answer

A)  Terrigenous sediments. 
B)  Biogenous sediments. 
C)  Hydrogenous (or authigenic) sediments. 
D)  Cosmogenous sediments. 
A)  Terrigenous sediments. 
B)  Biogenous sediments. 
C)  Hydrogenous (or authigenic) sediments. 
D)  Cosmogenous sediments.

Question 12

Some sediment originates from the remnants of organisms.

Accepted Answer

A) True 
 B)False

Question 13

The only way in which calcium carbonate sediment can form is by evaporation.

Accepted Answer

A) True 
 B)False

Question 14

The analysis of layered sedimentary deposits in the ocean is:

Accepted Answer

A)  stratigraphy. 
B)  oceanography. 
C)  marine biology. 
D)  ecology. 
A)  stratigraphy. 
B)  oceanography. 
C)  marine biology. 
D)  ecology.

Question 15

Over millions of years, natural gas and oil can be formed from:

Accepted Answer

A)  erosion. 
B)  volcanic ash. 
C)  biogenous sediments. 
D)  terrigenous sediments. 
A)  erosion. 
B)  volcanic ash. 
C)  biogenous sediments. 
D)  terrigenous sediments.

Question 16

Sand is classified as sediment that has a diameter no larger than:

Accepted Answer

A)  4 mm. 
B) 0.2 mm. 
C)  2 mm. 
D) 0.004 mm. 
A)  4 mm. 
B) 0.2 mm. 
C)  2 mm. 
D) 0.004 mm.

Question 17

Paleoceanography is the study of past processes and past events that have occurred in the ocean. What types of questions do paleoceanographers ask and what are the methods they use to obtain information about the ocean's past?

Accepted Answer

Deep-sea sediments hold about a 180 mill

Question 18

Carbonate sediments are rare in deep sea sediments because:

Accepted Answer

A)  the organisms providing shells do not live in the deep sea. 
B)  the abundance of muds and clays cover the carbonate shells. 
C)  the carbonate shells are dissolved in deep water. 
D)  the organisms do not live beyond the edge of the continental shelf. 
A)  the organisms providing shells do not live in the deep sea. 
B)  the abundance of muds and clays cover the carbonate shells. 
C)  the carbonate shells are dissolved in deep water. 
D)  the organisms do not live beyond the edge of the continental shelf.

Question 19

An example of a terrigenous sediment is the manganese nodule.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following metals is not usually found in manganese nodules?

Accepted Answer

A)  iron 
B)  uranium 
C)  nickel 
D)  cobalt 
A)  iron 
B)  uranium 
C)  nickel 
D)  cobalt

Large volumes of bottom sediments may be transported long distances by:

Most of the floor of the North Pacific Ocean is covered with:

Which of the following is the most abundant sediment in neritic deposits?

A depression along the boundary of a seamount where sediment has built-up is a:

The oozes on the seafloor mostly consist of:

An example of a siliceous ooze are those formed from radiolarian shells.

Underlying the unconsolidated sediments of the seafloor are:

Manganese nodules were discovered during the Challenger expedition and are hydrogenous sediments.

Radiolarians and diatoms are both examples of:

What is sediment and what are the 4 classifications of marine sediments based on their origin?

Which of the following would be considered oozes?

Some sediment originates from the remnants of organisms.

The only way in which calcium carbonate sediment can form is by evaporation.

The analysis of layered sedimentary deposits in the ocean is:

Over millions of years, natural gas and oil can be formed from:

Sand is classified as sediment that has a diameter no larger than:

Paleoceanography is the study of past processes and past events that have occurred in the ocean. What types of questions do paleoceanographers ask and what are the methods they use to obtain information about the ocean's past?

Carbonate sediments are rare in deep sea sediments because:

An example of a terrigenous sediment is the manganese nodule.

Which of the following metals is not usually found in manganese nodules?

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

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Exam 5: Ocean Sediments

Large volumes of bottom sediments may be transported long distances by:

Most of the floor of the North Pacific Ocean is covered with:

Which of the following is the most abundant sediment in neritic deposits?

A depression along the boundary of a seamount where sediment has built-up is a:

The oozes on the seafloor mostly consist of:

An example of a siliceous ooze are those formed from radiolarian shells.

Underlying the unconsolidated sediments of the seafloor are:

Manganese nodules were discovered during the Challenger expedition and are hydrogenous sediments.

Radiolarians and diatoms are both examples of:

What is sediment and what are the 4 classifications of marine sediments based on their origin?

Which of the following would be considered oozes?

Some sediment originates from the remnants of organisms.

The only way in which calcium carbonate sediment can form is by evaporation.

The analysis of layered sedimentary deposits in the ocean is:

Over millions of years, natural gas and oil can be formed from:

Sand is classified as sediment that has a diameter no larger than:

Paleoceanography is the study of past processes and past events that have occurred in the ocean. What types of questions do paleoceanographers ask and what are the methods they use to obtain information about the ocean's past?

Carbonate sediments are rare in deep sea sediments because:

An example of a terrigenous sediment is the manganese nodule.

Which of the following metals is not usually found in manganese nodules?

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters