Which Indian climate term is correctly associated with source or location “it commonly extends from the heat-low region toward the Bay of Bengal”, and also with “its north-south shifts change the distribution of monsoon rainfall”?

Correct Answer: Option B — Monsoon Trough. Monsoon Trough is correctly identified as it commonly extends from the heat-low region toward the Bay of Bengal. Monsoon Trough is also associated with its north-south shifts change the distribution of monsoon rainfall. Another identifying fact about Monsoon Trough is that its north-south shifts change the distribution of monsoon rainfall. A further exam-relevant fact about Monsoon Trough is that depressions moving along it can produce widespread rain. Why the other options are incorrect: • Option A — Western Disturbance: Western Disturbance is it generally approaches India from the west through the Mediterranean-West Asian region. It is incorrect here because Western Disturbance is instead associated with it brings winter rain to northwestern plains and snow to the western Himalayas. • Option C — Loo: Loo is it blows over parts of the northern and northwestern plains. It is incorrect here because Loo is instead associated with it is most strongly associated with hot afternoon conditions. • Option D — Mango Showers: Mango Showers is they are commonly associated with Kerala and coastal Karnataka. It is incorrect here because Mango Showers is instead associated with they assist the early ripening of mangoes. Exam Takeaway: Connect Monsoon Trough with “it commonly extends from the heat-low region toward the Bay of Bengal” and “its north-south shifts change the distribution of monsoon rainfall” for revision.