Which Indian climate term is correctly associated with course, basin or associated feature “it can alter atmospheric circulation affecting the Indian monsoon”, and also with “its influence on Indian rainfall is important but not identical in every event”?

Correct Answer: Option C — El Nino. El Nino is correctly identified as it can alter atmospheric circulation affecting the Indian monsoon. El Nino is also associated with its influence on Indian rainfall is important but not identical in every event. Another identifying fact about El Nino is that it can alter atmospheric circulation affecting the Indian monsoon. A further exam-relevant fact about El Nino is that its influence on Indian rainfall is important but not identical in every event. Why the other options are incorrect: • Option A — La Nina: La Nina is it alters tropical atmospheric circulation and can influence the Indian monsoon. It is incorrect here because La Nina is instead associated with La Nina should not be treated as a guaranteed cause of uniform excess rain across India. • Option B — Southwest Monsoon: Southwest Monsoon is the Western Ghats cause strong orographic rainfall on their windward side. It is incorrect here because Southwest Monsoon is instead associated with its advance and withdrawal organize much of India's rainy season. • Option D — Northeast Monsoon: Northeast Monsoon is winds cross the Bay of Bengal and acquire moisture before reaching the southeast coast. It is incorrect here because Northeast Monsoon is instead associated with Bay of Bengal depressions and cyclones can enhance its rainfall. Exam Takeaway: Connect El Nino with “it can alter atmospheric circulation affecting the Indian monsoon” and “its influence on Indian rainfall is important but not identical in every event” for revision.