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Which is the most scientific reason for transition from summer to rainy season?

Answer and explanation

Correct answer: Arrival of moisture-laden South-West Monsoon after intense heat

The direct answer is Option A: the arrival of the moisture-laden South-West Monsoon after intense summer heat. In India, the land becomes very hot in summer. Hot air rises and creates lower pressure over the land. The surrounding ocean has relatively higher pressure, so winds blow from the sea toward the land. These winds, called the South-West Monsoon, carry a large amount of water vapour. When the moist air rises, cools, and condenses, clouds and rainfall develop. Thus the scientific chain is intense heating, pressure difference, moist winds, cloud formation, and rain. Option A is correct because it explains both the wind and the moisture responsible for the seasonal change. Option B is wrong because a cold wave does not melt and does not bring the Indian rainy season. Option C is wrong because frost does not normally turn into a cyclone; frost is a freezing condition near the ground. Option D is wrong because the Himalayas do not become a sea. They influence monsoon winds and help prevent their escape, but they do not change into water. Exam cue: connect the rainy season with pressure differences and moisture-bearing monsoon winds, not merely with heat.

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Season TransitionSummerMonsoon

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