The S.W. monsoon originated in India primarily due to
- low pressure over the Punjab plain
- high pressure in areas South of 8 degree North latitude
- equatorial low being filled up by descending currents
- the role of the Himalayas
-
1 and 4
-
1 and 2
-
1, 2 and 3
-
3 and 4
A
Correct answer
Explanation
The S.W. monsoon (Southwest Monsoon) is primarily caused by low pressure over the Punjab plain and the Himalayas acting as a barrier to moisture-laden winds. These factors create the pressure differential that drives monsoon circulation. Option A correctly identifies factors 1 and 4.