Question 1

The continental rise lies at the bottom of the continental slope.

Accepted Answer

A) True 
 B)False

Question 2

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)   sodium chloride 
B)   magnesium chloride 
C)   sodium sulfate 
D)   carbon dioxideE) All of the above
F) B) and D)

Question 3

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)   manganese nodules 
B)   calcareous ooze 
C)   metal sulfides 
D)   evaporitesE) B) and C)
F) C) and D)

Question 4

________ continental margins occur where oceanic lithosphere is being subducted beneath the edge of a continent.

Accepted Answer

The answer of ________ continental margins occur where oceanic lithosphere...

Question 5

Manganese nodules are an example of ________.

Accepted Answer

A)   terrigenous sediment
B)   biogenous sediment
C)   hydrogenous sediment
D)   both terrigenous and biogenous sedimentE) A) and B)
F) A) and C)

Question 6

Seafloor hot springs occur mainly in oceanic, abyssal plains.

Accepted Answer

A) True 
 B)False

Question 7

A(n) ________ marks the site where old, oceanic lithosphere begins its descent into a subduction zone.

Accepted Answer

The answer of A(n) ________ marks the site where old,...

Question 8

Matching. Match the ocean floor sediment with each phrase.
-abyssal plain clay

Accepted Answer

A)  biogenous
B)  terrigenous
C)  hydrogenousD) A) and B)
E) None of the above

Question 9

The crests of mid-oceanic ridges ________.

Accepted Answer

A)   are heavily mantled with sediment
B)   lie at depths exceeding 6 kilometers
C)   contain active rift zones
D)   are geologically old featuresE) C) and D)
F) B) and D) C

Question 10

A(n) ________ is the vast, relatively deep, flat, sediment-covered portion of the deep-ocean basin.

Accepted Answer

The answer of A(n) ________ is the vast, relatively deep,...

Question 11

Matching. Match the ocean floor sediment with each phrase.
-manganese nodule

Accepted Answer

A)  biogenous
B)  terrigenous
C)  hydrogenousD) A) and B)
E) All of the above

Question 12

Submarine canyons form the deepest parts of the ocean basins.

Accepted Answer

A) True 
 B)False  False

Question 13

Manganese nodules are an example of ________ sediment.

Accepted Answer

hydrogenous

Question 14

A(n) ________ is a volcanic mountain, built up from the seafloor that never reached the sea surface.

Accepted Answer

The answer of A(n) ________ is a volcanic mountain, built...

Question 15

The most extensive mountain range on Earth extends for about 65,000 kilometers on the ocean floor and is known as the ________.

Accepted Answer

The answer of The most extensive mountain range on Earth...

Question 16

Compared to the Southern Hemisphere, a higher percentage of the Northern Hemisphere is water covered.

Accepted Answer

A) True 
 B)False

Question 17

Turbidites and siliceous oozes are both biogenous sediments.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is NOT true of deep ocean trenches?

Accepted Answer

A)   They are long and narrow depressions.
B)   They are sites where plates plunge back into the mantle.
C)   They are geologically very stable.
D)   They may act as sediment traps.E) C) and D)
F) B) and C)

Question 19

Matching. Match the ocean floor sediment with each phrase.
-turbidite deposits

Accepted Answer

A)  biogenous
B)  terrigenous
C)  hydrogenousD) A) and B)
E) A) and C)

Question 20

Which one of the following would you NOT associate with turbidity currents?

Accepted Answer

A)   deposits of graded beds
B)   density current
C)   excavation of submarine canyons
D)   formation of seamountsE) A) and B)
F) C) and D)

Exam 13: The Ocean Floor

The continental rise lies at the bottom of the continental slope.

Correct AnswerverifiedShow Answer

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Correct AnswerverifiedShow Answer

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Correct AnswerverifiedShow Answer

________ continental margins occur where oceanic lithosphere is being subducted beneath the edge of a continent.

Correct AnswerverifiedShow Answer

Manganese nodules are an example of ________.

Correct AnswerverifiedShow Answer

Seafloor hot springs occur mainly in oceanic, abyssal plains.

Correct AnswerverifiedShow Answer

A(n) ________ marks the site where old, oceanic lithosphere begins its descent into a subduction zone.

Correct AnswerverifiedShow Answer

Matching. Match the ocean floor sediment with each phrase. -abyssal plain clay

Correct AnswerverifiedShow Answer

The crests of mid-oceanic ridges ________.

Correct AnswerverifiedC

A(n) ________ is the vast, relatively deep, flat, sediment-covered portion of the deep-ocean basin.

Correct AnswerverifiedShow Answer

Matching. Match the ocean floor sediment with each phrase. -manganese nodule

Correct AnswerverifiedShow Answer

Submarine canyons form the deepest parts of the ocean basins.

Correct AnswerverifiedFalse

Manganese nodules are an example of ________ sediment.

Correct Answerverifiedhydrogenous

A(n) ________ is a volcanic mountain, built up from the seafloor that never reached the sea surface.

Correct AnswerverifiedShow Answer

The most extensive mountain range on Earth extends for about 65,000 kilometers on the ocean floor and is known as the ________.

Correct AnswerverifiedShow Answer

Compared to the Southern Hemisphere, a higher percentage of the Northern Hemisphere is water covered.

Correct AnswerverifiedShow Answer

Turbidites and siliceous oozes are both biogenous sediments.

Correct AnswerverifiedShow Answer

Which of the following is NOT true of deep ocean trenches?

Correct AnswerverifiedShow Answer

Matching. Match the ocean floor sediment with each phrase. -turbidite deposits

Correct AnswerverifiedShow Answer

Which one of the following would you NOT associate with turbidity currents?

Correct AnswerverifiedShow Answer

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C

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False

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hydrogenous

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