With reference to South west Monsoon consider the following statements 1 nb...........

Geography Monsoons and Climate in India

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With reference to South west Monsoon, consider the following statements:

1. The Monsoonal rainfall is largely governed by relief and is orographic in its nature.

2. The amount of rainfall decreases with increasing distance from the coast.

3. The Arabian Sea branch of the South west monsoon is not as powerful as the Bay of Bengal branch.

4. The advance of the monsoon is much faster in the Bay of Bengal than in the Arabian Sea.

Which of the statements given above is/are correct?

1 , 2 and 4 only

2 and 3 only

2, 3 and 4 only

1, 2, 3 and 4

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Explanation:

Three fourths of the total annual rainfall is received during this season.Monsoon winds beyond south Kerala progress in the form of two branches viz. the Arabian Sea branch and the Bay of Bengal branch.The advance of the monsoon is much faster in the Bay of Bengal than in the Arabian Sea.The normal date of onset of the southwest monsoon over Kerala i.e. the first place of entry in the mainland of India is 1st June. Major part of monsoon rains are received between June and September. Monsoonal rainfall is largely governed by relief and is orographic in its mode.The amount of rainfall decreases with increasing distance from the sea. There are large scale spatial variations in the distribution of rainfall. The statement 3 is incorrect. The Arabian Sea branch of the South west monsoon is much powerful than the Bay of Bengal branch because:

The Arabian Sea is larger than the Bay of Bengal
The entire Arabian Sea current advances towards India, whereas only a part of the Bay of Bengal current enters India, the remainder proceeding to Myanmar, Thailand and Malaysia.