| Consider the following statements: |
| The South West Monsoon originates in India primarily due to |
| 1. Low pressure in the Punjab plain |
| 2. High pressure in areas south of8°N latitude. |
| 3. Equatorial low being filled up by descending currents |
| 4. The Himalayas Of these statements: |
A) 1 and 4 are correct
B) 1 and 2 correct
C) 1, 2 and 3 are correct
D) 3 and 4 are correct
Correct Answer: A
Solution :
[a] The southwest summer monsoon is attracted to India by a low pressure area that's caused by the extreme heat of the Thar Desert and adjoining areas, during summer. Moisture-laden winds from the Indian Ocean come to fill up the void, but because they can't pass through the Himalaya region, they're forced to rise. The gain in altitude of the clouds results in a drop in temperature, bringing about rain. When the southwest monsoon reaches India, it splits into two parts around the mountainous region of the Western Ghats in south-central India. One part moves northwards over the Arabian Sea and up the coastal side of the Western Ghats. The other flows over the Bay of Bengal, up through Assam, and hits the Eastern Himalaya range.
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