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NDA 1 2024 GAT, question 112

Topic: Geography

Q112

Which of the following statements regarding cyclones and anti-cyclones is/are correct ?

  1. In the Northern Hemisphere, cyclones rotate counter clockwise and anticyclones rotate clockwise.

  2. Cyclones are often associated with cloudy or rainy weather, whereas anticyclones are often associated with fair weather.

  3. In the Southern Hemisphere, the cyclonic spiral will be clockwise because the Coriolis force acts to the left.

Select the answer using the code given below :

  1. (a) 1 only
  2. (b) 1 and 2 only
  3. (c) 2 and 3 only
  4. (d) 1, 2 and 3Correct answer

Solution.

Answer: (d) 1, 2 and 3

  1. Northern-hemisphere cyclones rotate counterclockwise and anticyclones clockwise.
  2. Rising air in lows commonly favours clouds/rain, while subsidence in highs often favours fair weather.
  3. In the Southern Hemisphere the Coriolis deflection is to the left and cyclones rotate clockwise.
  4. All three statements are correct.