Multiple choice

A phenomenon associated with the monsoon is its tendency to have ‘breaks’ in rainfall. Why do these breaks happen?

  1. An elongated low-pressure area develops extending from the Thar Desert in the northwest to Patna and Chotanagpur plateau in the east and southeast causing troughs that cause breaks.

  2. The southeast trade winds blow in a south westerly direction causing troughs that cause breaks.

  3. When the axis of the monsoon trough lies over the plains, monsoon breaks occur.

  4. The tropical depressions over Bay of Bengal cause monsoon breaks over the northern plains.

  5. The movement of the monsoon trough and its axis keeps on moving northward or southward causing spatial distribution of rain.
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E Correct answer
Explanation

This is the correct answer. This spatial difference of rainfall is called monsoon break when it is interspersed with rainless intervals.

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