| 1. Doldrum | Equatorial low pressure belt |
| 2. Horse Latitudes | Sub-polar low pressure belt |
| 3. Torrid zone | Sub-tropical high pressure belt |
A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3
Correct Answer: A
Solution :
Horse latitudes are at the sub-tropical high pressure belt near tropics from \[{{30}^{o}}\] to \[{{35}^{o}}N\] latitudes. Large air masses drift from the polar areas to the sub-tropics due to earth's rotation and cause high pressure there. The descending air creates a calm condition with variable and feeble winds in these high pressure belts. They are, therefore, called 'Belts of calm' or 'Horse latitudes'. In early days, the sailing vessels with the cargo of horses found it very difficult to sail under such calm conditions. They used to throw horses in the sea to make their vessels light. Torrid Zone extends between Tropic of Cancer \[\left( 23{{\frac{1}{2}}^{o}}N \right)\]and Tropic of Capricorn \[\left( 23{{\frac{1}{2}}^{o}}S \right)\]. The sun's rays are almost vertical and winters are weak whereas summers are prominent.
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