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GS Geography Physical Geography of World
Q.

In the context of Pressure Belts, which of the following statements is/are NOT correct?

1. High pressure center are developed during winter in the North of the Himalayas.

2. The Convergence of Tropical and sub-tropical winds results in the formation of cyclones in the sub-polar region.

3. Pressure belts shift northwards and southwards with the shift of thermal equator. 

Select the correct statements using the codes given below:
Explanation:

ANSWER: (B)

ABOUT PRESSURE BELTS

Statement 1 is correct. 

In winter the sun shines vertically over the Tropic of Capricorn and the north western part of India away from marine influence experiences low temperature and high atmospheric pressure. The minimum temperature is much below than 10° to 12°C. So, a high-pressure center develops over North of the Himalayas during the winter.

Statement 2 is not correct.

Sub-tropical high-pressure belts are also called horse latitudes. Subsidence and piling of air in sub-tropical belts cause high pressure. Convergence of subtropical and polar winds result in the formation cyclones in the sub-polar regions. 

Statement 3 is correct.

High pressure belts are dry while low pressure belts are humid. With the movement of sun northwards and southwards thermo equator also shifts northwards and southwards. Pressure belts also shift northwards and southwards with the shift of thermal equator.

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