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Q101 (CAPF/2017) Geography › World Physical Geography › World climatic regions Answer Verified

Which of the following statements about the Equatorial region are correct ? 1. It is a megathermal region 2. It is a sclerophyll region 3. It is a region of high development 4. It is a region of aerial streamlets Select the correct answer using the code given below :

Result
Your answer: —  Â·  Correct: A
Explanation

The Equatorial region is characterized as a megathermal region, a term used for climates with high temperatures throughout the year, supporting megathermal rainforests. Statement 1 is therefore correct. Statement 2 is incorrect because sclerophyll vegetation, characterized by hard, leathery leaves, is typical of Mediterranean climates rather than the lush, broadleaf evergreen forests of the equator [2]. Statement 3 is incorrect as equatorial regions are historically associated with low levels of economic development due to harsh climatic conditions and dense vegetation [1]. Statement 4 is correct; the region is known for 'aerial streamlets' or strong vertical atmospheric convection currents driven by intense solar heating, which lead to daily heavy convectional rainfall [1]. These rising air currents are a hallmark of the Intertropical Convergence Zone (ITCZ). Thus, statements 1 and 4 are the only correct descriptions.

Sources

  1. [1] Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 15: The Hot, Wet Equatorial Climate > Natural Vegetation > p. 152
  2. [2] https://www.sciencedirect.com/science/article/abs/pii/S0031018203002311
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