Civil Services Prep

Prelims MCQ · Geography

With reference to El Niño, consider the following statements:

  1. It is an oceanic-atmospheric phenomenon that generally appears once every three to seven years.
  2. It involves unusually warm water off the coast of Peru in the eastern Pacific.
  3. It can distort equatorial atmospheric circulation and affect the evaporation of seawater.
  4. Its occurrence necessarily advances the onset of the southwest monsoon over all parts of India.

Which of the statements given above are correct?

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