Civil Services Prep

Prelims MCQ · Geography

Consider the following statements:

  1. Reef-building corals generally require water temperatures not lower than about 20°C.
  2. Their depth limit is approximately 30 fathoms, while water less than about 100 feet deep is particularly favourable.
  3. They flourish in clear, saline, oxygenated water with little suspended sediment.
  4. Muddy river mouths provide especially favourable conditions by supplying abundant silt.

Which of the statements given above are correct?

  1. 1, 2 and 3 only.
  2. 1 and 4 only.
  3. 2, 3 and 4 only.
  4. 1, 2, 3 and 4.
  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…