Which of the following statements regarding Barchan is/are <strong>CORRECT</strong>?<br>1. It is a crescent shaped mound of sand, which is deposited by the wind blowing constantly from one direction in a desert.<br>2. The windward side has a convex steep slope with maximum height at the centre.<br>3. Two ends of Barchan are called horns and point opposite to the direction the wind blows.<br>Select the answer using the code given below :

  1. A. 1 only
  2. B. 1 and 2 only
  3. C. 2 and 3 only
  4. D. 1, 2 and 3

Correct Answer: A. 1 only

Explanation

Barchans are crescent-shaped dunes. The windward side has a gentle slope, not steep. The horns point in the direction the wind blows, not opposite. Therefore, only statement 1 is correct.

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