Civil Services Prep

Prelims MCQ · Geography

An ocean-floor zone begins where the continental shelf drops sharply. Its gradient commonly ranges from 2° to 5°, its depth extends from about 200 to 3,000 metres, and canyons and trenches may occur within it.

Which one of the following conclusions is most appropriate?

  1. It is a continental shelf because it is the shallowest part of an ocean basin.
  2. It is a deep-sea plain because it is one of the world’s flattest regions.
  3. It is a continental slope connecting the continental shelf with the ocean basin.
  4. It is a mid-oceanic ridge formed by two mountain chains separated by a depression.
  1. A geological survey records the following intrusive bodies: Body P is thin and nearly horizontal. Body Q is…
  2. A place has the following characteristics: Its underlying land surface heats rapidly during summer and cools…
  3. A stream on one side of a divide has a steeper gradient and receives more precipitation than a neighbouring…
  4. A survey identifies three plate-boundary settings: At boundary X, normal and reverse magnetic strips parallel…
  5. Although the vertical pressure-gradient force in the lower atmosphere is much greater than the horizontal…
  6. An earthquake releases energy at a point below the Earth’s surface. Which one of the following correctly…