PDE Q77
- Option : B
- Explanation :
Western disturbances, a type of temperate cyclone originating from the Mediterranean region, bring winter rain to north and north-west India.
A. Retreating monsoon – Incorrect. Brings rain to Tamil Nadu during post-monsoon, not winter rains in the north.
B. Temperate cyclones – Correct. These bring winter rainfall in northern India.
C. Local thunderstorms – Incorrect. These occur mostly in the pre-monsoon or summer season.
D. Shift in Jet stream movement – Incorrect. Influences weather patterns but is not the direct cause of rainfall.
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