A) El-Nino is a complex weather system that generally appears in every 3 to 7 years
B) El-Nino is the appearance to warm current off the coast of Peru and affects weather in many places including India
C) El-Nino phenomenon reveals that when the surface temperature goes up in the Southern Pacific Ocean, India receives deficient rainfall
D) (d) There is one to one correspondence in the occurrence of El-Nino phenomenon and deficient rainfall in India
Correct Answer: D
Solution :
[d] EI-Nino phenomenon involves the occurrence of warm water current off the Peruvian coast every 3 to 7 years, replacing cold Peruvian current or Humbolt current. Though, there are many evidences of occurrence of EI-Nino and low rainfall in India, but there is no one to one relationship as such.
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