Oceanography - Geography Objective Questions and Answers | Geography gkseries mcqs | page4

(16) The deepest ocean of the world is
[A] Arctic Ocean
[B] Pacific Ocean
[C] Atlantic Ocean
[D] Indian Ocean

Comment

Answer: Option [B]

The deepest ocean of the world is Pacific Ocean. The Mariana Trench, in the Pacific Ocean, is the deepest location on Earth. According to the Exclusive Economic Zone (EEZ), the United States has jurisdiction over the trench and its resources.

(17) The deepest surface depression on the earth is
[A] Marina Trench
[B] Tonga-Kermadec Trench
[C] Bentley Subglacial
[D] Kurile Trench

Comment

Answer: Option [A]

The deepest surface depression on the earth is Marina Trench. The Mariana Trench, in the Pacific Ocean, is the deepest location on Earth. According to the Exclusive Economic Zone (EEZ), the United States has jurisdiction over the trench and its resources. Scientists use a variety of technologies to overcome the challenges of deep-sea exploration and explore the Trench.

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(18) Tides in the sea have stored in them :
[A] Kinetic energy
[B] Gravitational potential energy
[C] Hydraulic energy
[D] A combination of all the above three forms of energy

Comment

Answer: Option [D]

Tides in the sea have stored in them a combination of all the above three forms of energy.

(19) Echo sounding is the technique applied to ___
[A] record the density of air in the atmosphere
[B] record earthquake waves
[C] measure the amplitude of sound waves
[D] measure the depth of the sea

Comment

Answer: Option [D]

Echo sounding is the technique applied to measure the depth of the sea. Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water (bathymetry).

(20) E1 Nino is
[A] sea storm
[B] tropical disturbance
[C] a warm ocean current
[D] another name of typhoon

Comment

Answer: Option [C]

E1 Nino is a warm ocean current. El Niño is a climate pattern that describes the unusual warming of surface waters in the eastern equatorial Pacific Ocean.

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