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UPSC PYQPrelims 2020

Civil Services Examination · Question 99

Consider the following statements: 1. Jet streams occur in the Northern Hemisphere only. 2. Only some cyclones develop an eye. 3. The temperature inside the eye of a cyclone is nearly 10°C lesser than that of the surroundings. Which of the statements given above is/are correct?

  1. 1 only
  2. 2 and 3 only
  3. 2 only
  4. 1 and 3 only
Show answer & explanation

Answer: (C) 2 only

Explanation

Jet streams occur in both hemispheres, and the eye of a cyclone is warmer (not cooler) than its surroundings due to sinking air. Only mature tropical cyclones develop an eye.