ESSENTIALS OF OCEANOGRAPHY FINAL
PAPER TESTED QUESTIONS WITH VERIFIED
ANSWERS COMPLETE STUDY SHEET
●● 3) Satellites are used to map the ocean floor because ________. 3)
_____
A) the shape of the ocean surface reflects large features on the seafloor
B) they are inexpensive to build and launch
C) they can't cover areas where ships have not produced surveys
D) they are affected by surface weather
E) they can only "see" small areas of the seafloor at one time
Answer: the shape of the ocean surface reflects large features on the
seafloor
●● 4) The two relatively flat areas on the hypsographic curve represent
________. 4) _____
A) continental mountains and mid-ocean ridges
B) interior continental areas and mid-ocean ridges
C) continental slopes and deep-sea trenches
D) interior continental areas and abyssal plains on the ocean floor
E) continental mountains and abyssal plains
Answer: interior continental areas and abyssal plains on the ocean floor
,●● 5) The correct order of seafloor features from the coast to the mid-
ocean ridge is ________. 5) _____
A) shelf, slope, rise, abyssal plain
B) abyssal plain, shelf, slope, rise
C) rise, abyssal plain, slope, shelf
D) slope, rise, shelf, abyssal plain
E) abyssal plain, rise, slope, shelf
Answer: shelf, slope, rise, abyssal plain
●● 6) Active continental margins are characterized by which of the
following? 6) _____
A) No sediment accumulation
B) Shallow coastal waters
C) Deep-sea trenches
D) Sparse earthquake activity
E) Broad continental shelves
Answer: deep-sea trenches
●● 7) Characteristics of passive continental margins include which of
the following? 7) _____
A) Deep-sea trenches
B) Volcanic and earthquake activity
,C) Thin sediment accumulation
D) Broad continental shelves
E) Chains of islands
Answer: broad continental shelves
●● 8) Which of the following features is related to transform faults
along mid-ocean ridges? 8) _____
A) Continental slope
B) Fracture zone
C) Submarine canyon
D) Continental rise
E) Continental shelf
Answer: fracture zone
●● 9) Directly seaward of the continental shelf is a more steeply sloping
region called the ________. 9) _____
A) continental rise
B) trench
C) mid-ocean ridge
D) abyssal plain
E) continental slope
Answer: continental slope
, ●● 10) Underwater avalanches of muddy water mixed with rocks and
debris are ________. 10) _____
A) coral deposits
B) turbidity currents
C) graded bedding
D) white smokers
E) deep sea fans
Answer: turbidity currents
●● 11) Submarine canyons were most likely formed by ________. 11)
_____
A) erosion by turbidity currents
B) scouring by glaciers during the last ice age
C) deposition of terrestrial sediment
D) wind erosion in the past
E) earthquake activity
Answer: erosion by turbidity currents
●● 12) Extending from the base of the continental rises into the deep-
ocean basins are flat depositional surfaces called
________. 12) _____
A) abyssal hills
B) tablemounts
PAPER TESTED QUESTIONS WITH VERIFIED
ANSWERS COMPLETE STUDY SHEET
●● 3) Satellites are used to map the ocean floor because ________. 3)
_____
A) the shape of the ocean surface reflects large features on the seafloor
B) they are inexpensive to build and launch
C) they can't cover areas where ships have not produced surveys
D) they are affected by surface weather
E) they can only "see" small areas of the seafloor at one time
Answer: the shape of the ocean surface reflects large features on the
seafloor
●● 4) The two relatively flat areas on the hypsographic curve represent
________. 4) _____
A) continental mountains and mid-ocean ridges
B) interior continental areas and mid-ocean ridges
C) continental slopes and deep-sea trenches
D) interior continental areas and abyssal plains on the ocean floor
E) continental mountains and abyssal plains
Answer: interior continental areas and abyssal plains on the ocean floor
,●● 5) The correct order of seafloor features from the coast to the mid-
ocean ridge is ________. 5) _____
A) shelf, slope, rise, abyssal plain
B) abyssal plain, shelf, slope, rise
C) rise, abyssal plain, slope, shelf
D) slope, rise, shelf, abyssal plain
E) abyssal plain, rise, slope, shelf
Answer: shelf, slope, rise, abyssal plain
●● 6) Active continental margins are characterized by which of the
following? 6) _____
A) No sediment accumulation
B) Shallow coastal waters
C) Deep-sea trenches
D) Sparse earthquake activity
E) Broad continental shelves
Answer: deep-sea trenches
●● 7) Characteristics of passive continental margins include which of
the following? 7) _____
A) Deep-sea trenches
B) Volcanic and earthquake activity
,C) Thin sediment accumulation
D) Broad continental shelves
E) Chains of islands
Answer: broad continental shelves
●● 8) Which of the following features is related to transform faults
along mid-ocean ridges? 8) _____
A) Continental slope
B) Fracture zone
C) Submarine canyon
D) Continental rise
E) Continental shelf
Answer: fracture zone
●● 9) Directly seaward of the continental shelf is a more steeply sloping
region called the ________. 9) _____
A) continental rise
B) trench
C) mid-ocean ridge
D) abyssal plain
E) continental slope
Answer: continental slope
, ●● 10) Underwater avalanches of muddy water mixed with rocks and
debris are ________. 10) _____
A) coral deposits
B) turbidity currents
C) graded bedding
D) white smokers
E) deep sea fans
Answer: turbidity currents
●● 11) Submarine canyons were most likely formed by ________. 11)
_____
A) erosion by turbidity currents
B) scouring by glaciers during the last ice age
C) deposition of terrestrial sediment
D) wind erosion in the past
E) earthquake activity
Answer: erosion by turbidity currents
●● 12) Extending from the base of the continental rises into the deep-
ocean basins are flat depositional surfaces called
________. 12) _____
A) abyssal hills
B) tablemounts
