Which Indian climate term is correctly associated with classification or identity “a low-pressure belt where trade-wind systems converge”, and also with “its seasonal northward shift influences the Indian summer monsoon”?
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Correct Answer: Option A — Inter-Tropical Convergence Zone. Inter-Tropical Convergence Zone is correctly identified as a low-pressure belt where trade-wind systems converge. Inter-Tropical Convergence Zone is also associated with its seasonal northward shift influences the Indian summer monsoon. Another identifying fact about Inter-Tropical Convergence Zone is that rising warm moist air encourages cloud formation and convection. A further exam-relevant fact about Inter-Tropical Convergence Zone is that over northern India its monsoon-season position is linked with the monsoon trough. Why the other options are incorrect: • Option B — Monsoon Trough: Monsoon Trough is an elongated low-pressure zone across northern India during the summer monsoon. It is incorrect here because Monsoon Trough is instead associated with it commonly extends from the heat-low region toward the Bay of Bengal. • Option C — Western Disturbance: Western Disturbance is an eastward-moving extratropical weather system. It is incorrect here because Western Disturbance is instead associated with it generally approaches India from the west through the Mediterranean-West Asian region. • Option D — Loo: Loo is a very hot and dry local wind of the pre-monsoon summer. It is incorrect here because Loo is instead associated with it blows over parts of the northern and northwestern plains. Exam Takeaway: Connect Inter-Tropical Convergence Zone with “a low-pressure belt where trade-wind systems converge” and “its seasonal northward shift influences the Indian summer monsoon” for revision.