Question

Which is not an erosional feature of sea waves?
a.Cliff
b.Beach
c.Sea cave
d.None of these

Answer 1

Hint: Erosion is the geological process in which the materials of the Earth are transported and worn away by natural forces. The forces can be wind, water or ice in the form of the glacier. The erosion by waves creates unique landforms.

Complete Answer: The erosion by waves forms wave-cut cliffs, sea arches and sea stacks.
-Wave cut cliffs are formed when sea waves erode a rocky shoreline and create a vertical wall of rocks.
-Sea arches are formed when waves erode both sides of a cliff and create a hole in the cliff.
-Sea stacks are formed when waves erode the top of a sea arch.

Looking at the above options:

Option a: Cliffs are formed as a result of weathering and erosion of landforms. They are common along coasts and mountainous areas. This is an incorrect option.

Option b: Beach is a landform which consists of loose particles. These particles are composed of rock, such as sand, gravel, shingle, pebbles, etc. Hence, they are not a result of erosion. This is the correct option.

Option c: Sea cave is the result of erosion which is formed due to the wave action of the sea. They are found along coastlines throughout the world.

Option d: This option stands invalid as the beach is the correct option.

Option 'b' is correct.

Note: Beaches are wave-deposited accumulations of sediment which are formed at the shoreline. They require a base to reside on and wait for the waves to shape them, sediment to form them, and most are also affected by tides.