Civil Services Prep

Prelims MCQ · Geography

Which one of the following water-depth conditions is most favourable for reef-building corals?

  1. More than 300 feet, where deep water protects them from waves.
  2. Less than about 100 feet, with adequate sunlight and continuous submergence.
  3. Exactly 180–300 feet, where photosynthesis is strongest.
  4. Any depth, provided the water contains abundant river sediment.
  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…