Ocean Floor: MCQ Test (25 questions)

Question 1 of 25

What is the area with a steep slope towards the sea called?

Aoceanic trench
Bdeep ocean slope
Ccontinental shelf
Dcontinental shelf

Question 2 of 25

What is the percentage of extension of the ocean in the Northern Hemisphere?

A0.6
B0.63
C0.607
D0.809

Question 3 of 25

In which ocean is the largest extent of deep sea plain found?

Apacific ocean
BAtlantic Ocean
CIndian Ocean
DArctic Ocean

Question 4 of 25

Approximately what is the number of bottom hills in the Pacific Ocean?

A5000
B7000
C10000
D15000

Question 5 of 25

In which ocean is the world's widest continental shelf located?

Apacific ocean
BArctic Ocean
CAtlantic Ocean
DIndian Ocean

Question 6 of 25

The deepest oceanic trench in the world is-

ATonga
BMariana
CPhilippine
DKermadec

Question 7 of 25

Submerged canyons are found in the world-

A57
B75
C102
D120

Question 8 of 25

What percentage of the total ocean area is covered by deep oceanic plains?

A0.71
B0.76
C0.8
D0.82

Question 9 of 25

Dolphin Challenger Cuttack is located at-

AAtlantic Ocean
BPacific Ocean
CIndian Ocean
DArctic Ocean

Question 10 of 25

The areas where mountains are found along the coast are continental shelf.

Awide enough
Bnarrow
Ccut-and-trimmed
Dshallow

Question 11 of 25

Which of the following statements about the continental shelf is false?

AIt is structurally a part of the continent.
BIts average depth is about 200 meters.
CIts maximum extent is in the Pacific Ocean.
DIts average slope is about 1⁰ Is

Question 12 of 25

What is the correct descending order of the following based on decreasing area? 1. Deep ocean plains 2. Continental submerged slopes 3. Oceanic trenches 4. Continental submerged coasts

A1,2,3,4
B1,4,2,3
C1,2,4,3
D1,4,3,2

Question 13 of 25

What percentage of the total ocean area is covered by the continental shelf?

A0.055
B0.065
C0.075
D0.085

Question 14 of 25

How many ocean trenches have been discovered so far in all the oceans of the world?

A19
B32
C51
D57

Question 15 of 25

The world's longest submerged canyons are found in-

Ain the Mediterranean Sea
Bin the Bering Sea
Cin the South China Sea
Din the Sea of Japan

Question 16 of 25

Which ocean has the largest number of oceanic trenches?

Apacific ocean
BAtlantic Ocean
CIndian Ocean
DArctic Ocean

Question 17 of 25

What is the general depth of oceanic trenches in meters?

A5000
B5500
C7000
D10000

Question 18 of 25

Which of the following statements regarding the continental shelf is false?

AIt is located between the continental shelf and the oceanic deep plain.
BIts depth ranges from 200m to 2000m and its average slope is 2⁰ is 5⁰
CIt is called the last boundary of the continents.
Dnone of these

Question 19 of 25

Which of the following oceanic trenches is not located in the Pacific Ocean?

AMariana
BMindanao
CTonga
DPuerto Rico

Question 20 of 25

By what name are flat-topped sea mountains known?

AMonadnock
BGuyot
Cinselberg
DJugen

Question 21 of 25

The submerged part of the land which is connected to the continent and is not more than 600 feet deep is called-

Acontinental shelf
Bcontinental shelf
CContinental islands
Dcoral island

Question 22 of 25

What is the percentage of expansion of the hydrosphere in the Southern Hemisphere?

A0.6
B0.63
C0.809
D0.828

Question 23 of 25

The world's deepest trench, the Challenger Trench, is located in-

Anear Fiji
Bnear the Guam archipelago
Con the east coast of Japan
Don the east coast of the Philippines

Question 24 of 25

Which ocean has the largest number of submerged canyons?

APacific Ocean
BAtlantic Ocean
CIndian Ocean
DArctic Ocean

Question 25 of 25

The deepest point in the ocean is the Mariana Trench in the Pacific Ocean, which is-

A9,200 meters below sea level
B10,500 meters below sea level
C11,022 m below sea level
D11,500 meters below sea level