Q1 K of 34 Page 82

Choose the correct answer:

Assertion(A): Submarine canyons are deep gorges on the ocean floor.


Reason(R): They are mainly restricted to continental shelf, slope and rise


Answer: A - A is not correct and R is false.


ANSWER: B - both A and R are correct but R does not explain A.


Submarine canyons originate from the continental shelf, and sometimes extends till the continental slope and rise. It is just like a canyon on the surface


Option is not given like this…

More from this chapter

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1

Choose the correct answer:

Assertion (A): Oceans are always shown in blue in maps.


Reason(R): It indicates the natural colour of the oceans.


 1 J

Choose the correct answer:

Assertion(A): Flat topped seamounts are known as Guyots.


Reason(R): All guyot features are of volcanic origin.


 1 L

Choose the correct answer:

Assertion (A): Atolls are more common in the Atlantic ocean.


Reason(R): The marine population at the depth is less.


 1 M

Choose the correct answer:

Assertion(A): Salinity is higher in closed ocean basins.


Reason(R): Enclosed ocean basins undergo little mixing with the open ocean.