Multiple choice

Why does Rajasthan receive less rainfall?

  1. Due to the Thar desert

  2. The South -West monsoon does not pass over it

  3. Rajasthan is at a high pressure area

  4. The orientation of Aravallies is parallel to S.W monsoons
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Aravalli range runs parallel to the direction of southwest monsoon winds, so they don't block or lift the moist air to cause rainfall. If mountains lie perpendicular to monsoon winds, they force air upward (orographic lift), cooling it and causing rain. Parallel orientation allows winds to pass without lifting.

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