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Why can water be less in many Peninsular rivers during summer?

Answer and explanation

Correct answer: Due to low rainfall

The direct answer is B: due to low rainfall. Many Peninsular rivers depend strongly on the seasonal monsoon because their basins generally do not receive a continuous supply from large glaciers. The reasoning is: summer before or during the dry period may bring little effective rainfall → less rainwater enters streams and reservoirs → groundwater and stored water may also decline → river discharge becomes lower. Option B is correct because reduced rainfall is the direct seasonal reason for lower flow in many Peninsular rivers. Option A, high sea tides, can affect the lower mouth of a river but does not reduce the whole river’s freshwater supply. Option C, the nearby Himalayas, is geographically incorrect for Peninsular rivers and does not explain their summer discharge. Option D, delta growth, may alter the mouth or channels but is not the main cause of seasonal reduction in water. Some Peninsular rivers are dam-controlled or may receive local rain, so the statement says “many,” not every river. Exam cue: Peninsular rivers are commonly more seasonal; monsoon rainfall controls their flow.

Related tags

Summer FlowLow RainfallSeasonal Rivers

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