Ocean Floor: MCQ Test (25 questions)

Question 1 of 25

What is the minimum height of sea hills from the bottom?

A500 meters
B1,000 metres
C1,500 metres
D2,000 metres

Question 2 of 25

What percentage of the world's total production of mineral oil and natural gas comes from the continental shelf?

A0.1
B0.2
C0.25
D0.4

Question 3 of 25

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

AMariana
BMindanao
CTonga
DPuerto Rico

Question 4 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 5 of 25

In which ocean is the largest extent of continental shelf found?

Apacific ocean
BAtlantic Ocean
CIndian Ocean
DArctic Ocean

Question 6 of 25

The length of the Mid-Atlantic Ridge located in the Atlantic Ocean is approximately-

A11,000 km.
B14,000 km.
C18,000 km.
D20,000 km.

Question 7 of 25

Which ocean has the largest number of oceanic trenches?

Apacific ocean
BAtlantic Ocean
CIndian Ocean
DArctic Ocean

Question 8 of 25

The deepest oceanic trench in the world is-

ATonga
BMariana
CPhilippine
DKermadec

Question 9 of 25

What is the general depth of oceanic trenches in meters?

A5000
B5500
C7000
D10000

Question 10 of 25

Which is the correct order of ocean floors when moving from continents to oceans?

AContinental shelf, deep sea plain, continental shelf, oceanic trench
BDeep sea plains, oceanic trenches, continental shelf, continental shelf
CContinental Shelf, Continental Shelf, Deep Ocean Plain, Ocean Trench
DContinental shelf, continental shelf, deep ocean plain, oceanic trench

Question 11 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 12 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 13 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

Question 14 of 25

What percentage of the total Earth's surface is covered by water?

A0.29
B0.71
C0.75
D0.79

Question 15 of 25

Most of the fish and other sea food are obtained mainly from-

Afrom the continental shelf
Bfrom the continental shelf
Cfrom the continental rise
Dfrom the deep sea

Question 16 of 25

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

Apacific ocean
BArctic Ocean
CAtlantic Ocean
DIndian Ocean

Question 17 of 25

Which ocean has the most abyssal hills?

Apacific ocean
BAtlantic Ocean
CIndian Ocean
DArctic Ocean

Question 18 of 25

By what name are flat-topped sea mountains known?

AMonadnock
BGuyot
Cinselberg
DJugen

Question 19 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 20 of 25

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

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

Question 21 of 25

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

A0.065
B0.075
C0.085
D0.095

Question 22 of 25

Which of the following statements is correct regarding the Deep Sea Plain?

AIt covers approximately three-fourths of the total oceanic area.
BIts depth is 3000 to 6000 meters.
CIts maximum extent is found between 20° North latitude and 60° South latitude.
Dall of the above

Question 23 of 25

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

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

Question 24 of 25

It is situated between the continental shelf and the deep ocean plain-

Acontinental shelf
Boceanic trench
Ccontinental shelf
Dnone of these

Question 25 of 25

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

Apacific ocean
BAtlantic Ocean
CIndian Ocean
DArctic Ocean