Tag: structure of ocean floor

Questions Related to structure of ocean floor

The sub-marine canyons are found in ________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Continental shelf

  2. Continental slope

  3. Ocean deep

  4. Ocean plain

Show answer
Correct Option: B
Explanation:

Submarine canyons originate either within continental slopes or on a continental shelf. They are rare on continental margins that have extremely steep continental slopes or escarpments. Submarine canyons are so called because they resemble canyons made by rivers on land.

The average depth of the Continental Shelf is _________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. 1000  feet

  2. 100  feet

  3. 200  feet

  4. 150  feet

Show answer
Correct Option: B

Deepest place in the Pacific Ocean is __________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Challenger Deep

  2. Ocean deep

  3. Ocean plain

  4. Continental slope

Show answer
Correct Option: A

The deep sea plains are also called ________ plains.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. continental shelf

  2. continental slope

  3. abyssal

  4. none of the above

Show answer
Correct Option: C

The percentage of freshwater available on the surface of land is ______.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. 3

  2. 5

  3. 2

  4. 4

Show answer
Correct Option: A
Explanation:

The percentage of freshwater available on the surface of land is $3$.
Freshwater makes up a very small fraction of all water on the planet. While nearly 70 percent of the world is covered by water, only 3 percent of it is fresh. The rest is saline and ocean-based. Even then, just 1 percent of our freshwater is easily accessible, with much of it trapped in glaciers and snowfields.

Hydrosphere comes from the ______ word 'hudor' meaning water.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Greek

  2. Latin

  3. Spanish

  4. Italian

Show answer
Correct Option: A

Sunlight can penetrate into the ocean only up to a depth of ________.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. 150 meters

  2. 200 meters

  3. 100 meters

  4. 2000 meters

Show answer
Correct Option: B
Explanation:

Sunlight entering the water may travel about 1,000 meters into the ocean under the right conditions, but there is rarely any significant light beyond 200 meters.

The ocean is divided into three zones based on depth and light level. The upper 200 meters of the ocean is called the euphotic, or sunlight zone. This zone contains the vast majority of commercial fisheries and is home to many protected marine mammals and sea turtles.

Fresh water of the Earth is only _______.

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. 30%

  2. 0.03%

  3. 3%

  4. None of these

Show answer
Correct Option: C

Among the following areas, the widest continental shelf of India is found:

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Around the Gulf of Cambay

  2. Around the Konkan coast

  3. Off the Krishna and Godavari deltas

  4. Around the Palk strait

Show answer
Correct Option: C

Which of the following statements are true regarding the importance of ocean?

geography structure of ocean floor relief of the ocean ocean water movement ocean circulation

  1. Ocean water are home to a great variety of marine life.

  2. Oceans are an enormous source of energy. Tides and waves can be harnessed to generate power.

  3. Oceans serves as means of transport.

  4. All of the above

Show answer
Correct Option: D