Indian Ocean Dipole
Indian Ocean Dipole is a Geography concept from the MPSC syllabus, tested in 2 past MPSC questions (2017, 2025). Below are those real questions with their correct answers and explanations.
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Real questions that test this
भारतीय द्विपकल्पाच्या सीमेवरील बंगालचा उपसागर आणि अरबी समुद्रात खालीलपैकी कोणत्या कारणाने वादळाची निर्मिती होते ? Which of the following is the reason of the storms in Arabian sea and Bay of Bengal on the border of the Indian Peninsula ?
Storms and tropical cyclones in the Arabian Sea and Bay of Bengal form due to high temperature increasing thermal convection, which creates low-pressure areas over the sea surface.
खालील विधानांचा विचार करा : / Consider the following statements :
(a)ला निनो म्हणजे लहान मुलगी. / La Nino is a little girl.
(b)ला निनोच्या काळामध्ये महासागराचे थंड पाणी पृष्ठभागावर येते. / During the time of La Nino cold water in the ocean rises to the surface.
(c)ला निनो मान्सून वारा प्रबळ करतो. / La Nino strengthens the Indian monsoon.
(d)एल निनोच्या काळामध्ये व्यापारी वारे कमकुवत होतात आणि उष्ण पाणी महासागरामध्ये पूर्वेकडे वाहते. / During the time of El Nino, trade winds weaken and warm water moves east in the ocean.
La Nina means 'little girl', involves cold upwelling water, and strengthens the Indian monsoon. El Nino weakens trade winds and pushes warm water east. Hence, all statements are correct.