With reference to the Indian Ocean Dipole (IOD) consider the following statements:1.The IOD Index is measured by differences in sea surface temperature anomaly between the western equatorial and south-eastern equatorial portions of the Indian Ocean.2.During a positive IOD phase, India receives lesser rainfall.Select the correct statements using the codes given below:

Q. With reference to the Indian Ocean Dipole (IOD) consider the following statements:
1.The IOD Index is measured by differences in sea surface temperature anomaly between the western equatorial and south-eastern equatorial portions of the Indian Ocean.
2.During a positive IOD phase, India receives lesser rainfall.
Select the correct statements using the codes given below:

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: A

Notes:

Explanation –

Statement 1 is correct. The IOD Index is measured by differences in sea surface temperature anomaly between the western equatorial and south-eastern equatorial portions of the Indian Ocean.

Statement 2 is incorrect. During a positive IOD phase, India receives more rain whereas a negative IOD phase usually offers less.

Source: The Times of India

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