Attempt this previous-year question. The correct option stays hidden until you choose.
With reference to ‘Indian Ocean Dipole (IOD)’ sometimes mentioned in the news while forecasting Indian monsoon, which of the following statements is/are correct?
1. IOD phenomenon is characterized by a difference in sea surface temperature between tropical Western Indian Ocean and tropical Eastern Pacific Ocean.
2. An IOD phenomenon can influence El Nino’s impact on the monsoon.
Select the correct answer using the code given below:
Pick an option to check yourself.
• Correct Answer: B
• IOD is defined by SST differential between western and eastern tropical Indian Ocean, not Pacific Ocean.
• A positive IOD can counter El Nino's negative monsoon impact, improving rainfall.
• Statement 1 conflates IOD with ENSO mechanism.
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.
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