Civil Services Prep

Prelims MCQ · Geography

Consider the following statements:

  1. An air mass is a large body of air having little horizontal variation in temperature and moisture.
  2. A homogeneous surface over which an air mass develops is called its source region.
  3. Maritime tropical air masses develop over warm tropical and subtropical oceans.
  4. Continental polar air masses develop over permanently ice-covered continents in the Arctic and Antarctica.

Which of the statements given above are correct?

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