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 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…