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 cultivated hillside is experiencing rapid runoff and the formation of several small finger gullies. Which…
  2. A geological survey records the following intrusive bodies: Body P is thin and nearly horizontal. Body Q is…
  3. A physiographic region has the following characteristics: Its principal river flows from northeast to…
  4. A place has the following characteristics: Its underlying land surface heats rapidly during summer and cools…
  5. A soil is deep, clayey and relatively impermeable. It becomes sticky when wet, develops wide cracks during the…
  6. A stream on one side of a divide has a steeper gradient and receives more precipitation than a neighbouring…