Oceanography-Origin of Ocean Basins (CBSE-NET (UGC) Geography (Paper-II & Paper-III)): Questions 7 - 11 of 28

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Question number: 7

» Oceanography » Origin of Ocean Basins

Assertion-Reason▾

Assertion (Ꭺ)

The continental shelf is a steep seaward sloping surface extending between the shoreline and continental slope.

Reason (Ꭱ)

Continents do not rise abruptly from the steep sea edge but there is a gradual rise of land.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 8

» Oceanography » Origin of Ocean Basins

Assertion-Reason▾

Assertion (Ꭺ)

Submarine Canyons are deep gorges on the ocean floor.

Reason (Ꭱ)

They are mainly restricted to the continental shelf, slope and rise.

Which of the following is true?

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false

Question number: 9

» Oceanography » Origin of Ocean Basins

MCQ▾

Question

Red Sea is an example of

Choices

Choice (4) Response

a.

Faulted structure

b.

Volcanic structure

c.

Residual structure

d.

Folded structure

Question number: 10

» Oceanography » Origin of Ocean Basins

MCQ▾

Question

Submarine canyons form due to

Choices

Choice (4) Response

a.

Rifting

b.

Eustasy

c.

turbidity currents

d.

Subsidence and upliftment

Question number: 11

» Oceanography » Origin of Ocean Basins

Assertion-Reason▾

Assertion (Ꭺ)

The topography of abyssal plain looks like a flat plain.

Reason (Ꭱ)

The irregular topography is buried forming relatively flat areas due to the large supply of sediments.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

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