Investigating Oceanography 3rd Edition by Keith A Sverdrup – Test Bank

 

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Sample Test

Investigating Oceanography, 3e (Sverdrup)

Chapter 3   The Sea Floor and Its Sediments

 

1) The vertical relief across the mountains of the western United States is similar to the vertical relief across the Mid-Atlantic Ridge.

 

Answer:  TRUE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

2) Submarine canyons are features associated principally with the continental slope; some are associated with past or present rivers.

 

Answer:  TRUE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

3) Abyssal hills are single, rounded domes extending at least 3 km above the deep-sea floor.

 

Answer:  FALSE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

4) Flat-topped seamounts called guyots are formed when volcanic islands subside and are eroded over time.

 

Answer:  TRUE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

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

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

6) Calcareous oozes of the open ocean are associated with mid-ocean ridge and rise systems rather than the deep-ocean basin floor.

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

7) Siliceous oozes are found at all ocean depths because of the slow dissolving rate of silica.

 

Answer:  FALSE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

8) Calcareous deposits are most likely to be found in more acidic seawater undersaturated in calcite.

 

Answer:  FALSE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

9) Calcareous sediments of the North Atlantic occur at deeper depths than calcareous sediments in the North Pacific.

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

10) Red mud or brown clay deposits are found under oceanic regions of high biological productivity.

 

Answer:  FALSE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

12) Large particles sink faster than small particles of the same density.

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

13) Geologic dredges are used to quantitatively sample the seafloor.

 

Answer:  FALSE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

14) Large boulders and cobbles scattered over the deep-sea floor at high-temperate latitudes were most likely deposited by turbidity currents.

 

Answer:  FALSE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

15) The distinctive layering found in marine sediments indicates that the properties of the sediment and the rates of sedimentation have varied with time.

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

16) Manganese nodules are composed entirely of manganese.

 

Answer:  FALSE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

17) Oil and gas represent only 50% of the mineral value presently taken from the seafloor.

 

Answer:  FALSE

Section:  03.04 Seabed Resources

Topic:  Seabed Resources

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

18) The smaller the footprint of a sound beam, the greater the detail of the seafloor features.

 

Answer:  TRUE

Section:  03.01 Measuring the Depths

Topic:  Measuring the Depths

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

19) Satellite radar altimeters measure sea surface topography.

 

Answer:  TRUE

Section:  03.01 Measuring the Depths

Topic:  Measuring the Depths

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

21) The seafloor tends to be more flat and featureless than the continental areas.

 

Answer:  FALSE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

 

Answer:  FALSE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

23) The continental shelf on the east coast of the United States. is generally wider than the continental shelf on the west coast of the U.S.

 

Answer:  TRUE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

24) Continental shelves are geologically part of the continental crust.

 

Answer:  TRUE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

25) The deep ocean basins or areas with depth between 4000 m and 6000 m cover more of the Earth’s surface than the continents.

 

Answer:  TRUE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

 

Answer:  FALSE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

 

Answer:  FALSE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

29) The continental rise is a product of ________.

1.   A) volcanic activity

2.   B) sedimentation

3.   C) seismic upheaval

4.   D) All of these are correct.

5.   E) None of these is correct.

 

Answer:  B

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

30) Turbidity currents produce some ________.

1.   A) trenches

2.   B) abyssal hills

3.   C) submarine canyons

4.   D) All of these are correct.

5.   E) None of these is correct.

 

Answer:  C

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

31) Inactive volcanic seamounts on top of the oceanic crust will

1.   A) continue to elevate with time.

2.   B) subside with time.

3.   C) remain in equilibrium once formed.

4.   D) keep a constant elevation.

5.   E) steepen in slope.

 

Answer:  B

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

32) Flat-topped, submerged seamounts are referred to as ________.

1.   A) mesas

2.   B) abyssal hills

3.   C) atolls

4.   D) guyots

5.   E) flattops

 

Answer:  D

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

33) Surface coral formations growing around completely submerged seamounts are called ________.

1.   A) atolls

2.   B) fringing reefs

3.   C) edge reefs

4.   D) conical reefs

5.   E) barrier reefs

 

Answer:  A

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

34) The floor of a major ocean basin is called a(n) ________.

1.   A) ocean valley floor

2.   B) abyssal plain

3.   C) mid-ocean flat

4.   D) seamount province

5.   E) ridge depression

 

Answer:  B

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

1.   A) Japan-Kuril

2.   B) Aleutian

3.   C) Peru-Chile

4.   D) Puerto Rico-Cayman

5.   E) Mariana

 

Answer:  E

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

36) A fathom is a unit of ________.

1.   A) distance

2.   B) depth

3.   C) speed

4.   D) weight

5.   E) time

 

Answer:  B

Section:  03.01 Measuring the Depths

Topic:  Measuring the Depths

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

37) Lithogenous sediment is ________.

1.   A) derived from rock

2.   B) derived from plants and animals

3.   C) always found at depths over 4500 m

4.   D) always associated with deep-sea trenches

5.   E) derived from the chemistry of the water

 

Answer:  A

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

38) Manganese nodules are ________.

1.   A) pelagic ooze

2.   B) volcanic

3.   C) lithogenous sediment

4.   D) pelagic biogenous sediment

5.   E) pelagic hydrogenous sediment

 

Answer:  E

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

39) Major deposits of silicous oozes from the radiolaria are found centered on which latitudes?

1.   A) 5°N

2.   B) 20°N and S

3.   C) 30°N and S

4.   D) 45°N and S

5.   E) 65°N and S

 

Answer:  A

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

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

1.   A) 75

2.   B) 50

3.   C) 30

4.   D) 20

5.   E) 10

 

Answer:  C

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

41) Diatomaceous sediments are

1.   A) oozes.

2.   B) found below 4500 m.

3.   C) found in cold water.

4.   D) All of these are correct.

5.   E) None of these is correct.

 

Answer:  D

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

42) The sediments of the central deep-ocean basins of the North Pacific are formed chiefly from ________.

1.   A) radiolaria

2.   B) foraminafera

3.   C) red clay particles

4.   D) diatoms

5.   E) coral reefs

 

Answer:  C

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

43) The particle size of terrigenous sediments generally ________ with distance from shore.

1.   A) increases

2.   B) decreases

3.   C) stays the same

4.   D) becomes less uniform

5.   E) is less graded

 

Answer:  B

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

44) Which of the following is least likely to be a major component of marine sediments?

1.   A) Silicous ooze

2.   B) Calcareous ooze

3.   C) Cosmogenous materials

4.   D) Hydrogenous sediments

5.   E) Lithogenous sediments

 

Answer:  C

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

45) Close to shore on the continental shelf at high-temperate latitudes, ________ deposits are most likely to predominate.

1.   A) cosmogenous

2.   B) hydrogenous

3.   C) pelagic

4.   D) neritic

5.   E) terrigenous

 

Answer:  E

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

46) Which type of sediment is the greatest contributor, on a world scale, to the sediments of the neritic zone?

1.   A) Biogenous

2.   B) Terrigenous

3.   C) Hydrogenous

4.   D) Cosmogenous

5.   E) Volcanic

 

Answer:  B

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

47) Sediments found on the seafloor and attributed to processes no longer in existence are called ________.

1.   A) nonexisting sediments

2.   B) pelagic sediments

3.   C) relict sediments

4.   D) rafted sediments

5.   E) sorted sediments

 

Answer:  C

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

1.   A) pelagic deposit

2.   B) rafted deposit

3.   C) hydrogenic deposit

4.   D) turbidite

5.   E) well-sorted deposit

 

Answer:  D

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

49) The seabed is presently being mined in the United States for ________.

1.   A) phosphorite

2.   B) manganese nodules

3.   C) sand and gravel

4.   D) All of these are correct.

5.   E) None of these is correct.

 

Answer:  C

Section:  03.04 Seabed Resources

Topic:  Seabed Resources

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

50) Manganese nodule mining has not developed because of ________.

1.   A) low international market prices in metal

2.   B) unresolved legal ownership problems

3.   C) technical and developmental costs

4.   D) All of these are correct.

5.   E) None of these is correct.

 

Answer:  D

Section:  03.04 Seabed Resources

Topic:  Seabed Resources

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

51) The silica rich oozes of the Pacific Ocean are due to ________ at high latitudes and ________ at low latitudes.

1.   A) radiolarians; diatoms

2.   B) diatoms; diatoms

3.   C) diatoms; radiolarians

4.   D) radiolarians; radiolarians

5.   E) None of these are correct.

 

Answer:  C

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

52) Red clay obtains its characteristic color from ________.

1.   A) the remains of bottom organisms

2.   B) the oxidation of iron

3.   C) the silica liberated from diatoms

4.   D) calcium carbonate

5.   E) bacteria of the deep sea

 

Answer:  B

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

1.   A) The particles attract each other.

2.   B) The particles increase their density.

3.   C) The particles are incorporated into the fecal pellets of small animals.

4.   D) The particles attract each other and the particles are incorporated into the fecal pellets of small animals.

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

 

Answer:  D

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

54) Side scan sonar images are the product of the ________.

1.   A) reflectivity of the material

2.   B) depth of the water

3.   C) angle at which the sound strikes the object

4.   D) reflectivity of the material and depth of the water

5.   E) reflectivity of the material, depth of the water, and angle at which the sound strikes the object

 

Answer:  E

Section:  03.01 Measuring the Depths

Topic:  Measuring the Depths

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

55) Lithification of sediments produces ________.

1.   A) coral

2.   B) turbidites

3.   C) mud flows

4.   D) rock

5.   E) red clay

 

Answer:  D

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

56) Acoustic profiling is used to study ________.

1.   A) sediment size

2.   B) sediment distribution

3.   C) seafloor structure

4.   D) sediment size and sediment distribution

5.   E) sediment distribution and seafloor structure

 

Answer:  E

Section:  03.01 Measuring the Depths

Topic:  Measuring the Depths

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

57) Submarine canyons are associated with ________.

1.   A) river systems

2.   B) turbidity currents

3.   C) volcanic eruptions

4.   D) river systems and turbidity currents

5.   E) turbidity currents and volcanic eruptions

 

Answer:  D

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

58) Seventy-five percent of all marine sediments are ________.

1.   A) terrigenous

2.   B) neritic

3.   C) pelagic

4.   D) suspended in the water column

5.   E) produced by active seamounts

 

Answer:  A

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

59) Which of the following is NOT true about passive continental margins?

1.   A) They have little seismic or volcanic activity.

2.   B) They form after continents are rifted apart.

3.   C) They tend to be wider than active margins.

4.   D) They occur away from plate boundaries.

5.   E) They are commonly found at subduction zones.

 

Answer:  E

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

60) Turbidites are ________.

1.   A) graded sequence of sediments

2.   B) found in submarine canyons

3.   C) characterized by coarse sediments on top of fine sediments

4.   D) graded sequence of sediments and found in submarine canyons

5.   E) found in submarine canyons and characterized by coarse sediments on top of fine sediments

 

Answer:  D

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

61) The most common topographic features on Earth are probably ________.

1.   A) rivers

2.   B) beaches

3.   C) abyssal hills

4.   D) continental shelves

5.   E) island arcs.

 

Answer:  C

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

62) The ________ of phytoplankton and zooplankton contribute to marine sediments.

1.   A) fecal pellets

2.   B) tests

3.   C) limbs

4.   D) fecal pellets and tests

5.   E) tests and limbs

 

Answer:  B

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

63) Which of the following is NOT an example of a hydrogenous sediment?

1.   A) Manganese nodules

2.   B) Phosphorites

3.   C) Salts

4.   D) Ooliths

5.   E) Tektites

 

Answer:  E

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

64) One fathom is equal to ________.

1.   A) 6 meters

2.   B) 1 meter

3.   C) 6 feet (which is roughly 2 meters)

 

Answer:  C

Section:  03.01 Measuring the Depths

Topic:  Measuring the Depths

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

65) The first scientific voyage to use an echo sounder on a large scale was the ________.

1.   A) Meteor expedition

2.   B) Beagle expedition

3.   C) Fram expedition

4.   D) Discovery expedition

5.   E) Endeavor expedition

 

Answer:  A

Section:  03.01 Measuring the Depths

Topic:  Measuring the Depths

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

66) The east coast of South America ________.

1.   A) is a passive continental margin

2.   B) has a relatively wide continental shelf

3.   C) is an active continental margin

4.   D) is marked by a deep ocean trench

5.   E) is a passive continental margin and has a relatively wide continental shelf

 

Answer:  E

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

67) Gas hydrates are rich in ________.

1.   A) ethanol

2.   B) diesel

3.   C) propane

4.   D) carbon dioxide

5.   E) methane

 

Answer:  E

Section:  03.04 Seabed Resources

Topic:  Seabed Resources

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

68) Turbidity currents are often triggered by earthquakes along passive continental margins.

 

Answer:  FALSE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

 

Answer:  TRUE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

70) Guyots are flat-topped islands.

 

Answer:  FALSE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

71) The deep-sea floor, between 4000 and 6000 m depth, covers more of Earth’s surface than the continents.

 

Answer:  TRUE

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

72) In general, coarse sediments are found closer to shore and fine sediments are found further offshore.

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

73) Calcareous sediments are well-preserved in cold, deep water below the CCD.

 

Answer:  FALSE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

74) In general, sedimentation rates decrease further offshore.

 

Answer:  TRUE

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

75) The predominant modern-day method in determining the depth and nature of the seafloor uses ________.

1.   A) heat

2.   B) pressure

3.   C) sound

4.   D) diving

5.   E) optics

 

Answer:  C

Section:  03.01 Measuring the Depths

Topic:  Measuring the Depths

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

76) Continental margins consist of the following in increasing distance from the shore.

1.   A) shelf, break, slope, rise

2.   B) rise, break, slope, shelf

3.   C) rise, slope, shelf, break

4.   D) rise, shelf, break, slope

5.   E) rise, shelf, slope, break

 

Answer:  A

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

77) The deepest parts of the oceans are associated with all of the following except ________.

1.   A) abyssal plains

2.   B) subduction zones

3.   C) trenches

4.   D) sedimentary environments

5.   E) active margins

 

Answer:  A

Section:  03.02 Seafloor Provinces

Topic:  Seafloor Provinces

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

78) Which of the following is most likely a major component of marine sediments near the continents?

1.   A) Siliceous ooze

2.   B) Calcareous ooze

3.   C) Cosmogenous materials

4.   D) Hydrogenous sediments

5.   E) Lithogenous sediments

 

Answer:  E

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

1.   A) Siliceous ooze

2.   B) Calcareous ooze

3.   C) Cosmogenous materials

4.   D) Hydrogenous sediments

5.   E) Lithogenous sediments

 

Answer:  A

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

80) Which of the following is most likely a major component of open-ocean sediments at depths shallower than the CCD?

1.   A) Siliceous ooze

2.   B) Calcareous ooze

3.   C) Cosmogenous materials

4.   D) Hydrogenous sediments

5.   E) Lithogenous sediments

 

Answer:  B

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

81) Red clays can be categorized as ________.

1.   A) siliceous ooze

2.   B) calcareous ooze

3.   C) cosmogenous materials

4.   D) hydrogenous sediments

5.   E) lithogenous sediments

 

Answer:  E

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

82) Coral and foraminifera produce biogenic sediments based on the element ________.

1.   A) nitrogen

2.   B) calcium

3.   C) silicon

4.   D) sulfur

5.   E) potassium

 

Answer:  B

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

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

1.   A) nitrogen

2.   B) calcium

3.   C) silicon

4.   D) sulfur

5.   E) potassium

 

Answer:  C

Section:  03.03 Sediments

Topic:  Sediments

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

 

 

84) Manganese nodule mining is being considered because of their high content of the element ________.

1.   A) zinc

2.   B) manganese

3.   C) magnesium

4.   D) phosphorus

5.   E) cobalt

 

Answer:  E

Section:  03.04 Seabed Resources

Topic:  Seabed Resources

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  03 The Sea Floor and Its Sediments

 

Investigating Oceanography, 3e (Sverdrup)

Chapter 5   The Chemistry of Seawater

 

1) The polar nature of water molecules aids in water’s solvent abilities.

 

Answer:  TRUE

Section:  05.01 Salts

Topic:  Salts

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  05 The Chemistry of Seawater

 

2) The relative molar abundance of carbon, nitrogen, and phosphorus in marine phytoplankton can be expressed in a relationship called the ________ ratio.

 

Answer:  redfield

Section:  05.04 Nutrients and Organics

Topic:  Nutrients and Organics

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  05 The Chemistry of Seawater

 

3) The salinity of a water sample can be determined by multiplying its ________ by 1.80655.

 

Answer:  chlorinity

Section:  05.01 Salts

Topic:  Salts

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  05 The Chemistry of Seawater

 

4) An ion with a positive charge is called a(n) ________

 

Answer:  cation

Section:  05.01 Salts

Topic:  Salts

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  05 The Chemistry of Seawater

 

 

 

5) Identify the four seawater constituents that are present in the highest concentration.

1.   A) magnesium

2.   B) bromide

3.   C) sodium

4.   D) chloride

5.   E) calcium

6.   F) potassium

7.   G) sulfate

 

Answer:  A, C, D, G

Section:  05.01 Salts

Topic:  Salts

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  05 The Chemistry of Seawater

 

6) The dissolving ability of water is related to ________.

1.   A) the attraction between the water molecule’s positive and negative charges and charges on other atoms

2.   B) its ability to form hydrogen bonds with other molecules

3.   C) its ability to transmit energy from water molecule to water molecule

4.   D) the attraction between the water molecule’s positive and negative charges and charges on other atoms and its ability to form hydrogen bonds with other molecules

5.   E) the attraction between the water molecule’s positive and negative charges and charges on other atoms, its ability to form hydrogen bonds with other molecules, and its ability to transmit energy from water molecule to water molecule

 

Answer:  A

Section:  05.01 Salts

Topic:  Salts

Bloom’s:  1. Remember

Gradable:  automatic

Chapter:  05 The Chemistry of Seawater