With reference to atmospheric pressure, consider the following statements : 1. Atmospheric pressure decreases towards poles. 2. High pressure is experienced over continents during winter. 3. All deserts experience low pressure throughout the year. Which o

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Q: 25 (IES/2012)
With reference to atmospheric pressure, consider the following statements :
1. Atmospheric pressure decreases towards poles.
2. High pressure is experienced over continents during winter.
3. All deserts experience low pressure throughout the year.
Which of the statements given above is/ are correct ?

question_subject: 

Geography

question_exam: 

IES

stats: 

0,36,53,20,29,36,4

keywords: 

{'atmospheric pressure': [2, 0, 5, 1], 'low pressure': [1, 1, 7, 8], 'high pressure': [1, 0, 8, 4], 'deserts': [4, 0, 1, 1], 'poles': [5, 0, 7, 15], 'winter': [10, 0, 5, 12]}

The correct answer is option 3, which states that only statement 2 is correct.

Let`s analyze each statement to better understand why:

Statement 1: "Atmospheric pressure decreases towards the poles" - This statement is incorrect. Atmospheric pressure decreases with increasing elevation, not towards the poles. The pressure is highest at sea level and gradually decreases as you go higher in altitude.

Statement 2: "High pressure is experienced over continents during winter" - This statement is correct. During winter, the landmass cools down more quickly than the ocean, creating a high-pressure system over the continents. The colder air over the land sinks, leading to high atmospheric pressure.

Statement 3: "All deserts experience low pressure throughout the year" - This statement is incorrect. Deserts can have both high and low-pressure systems depending on various factors such as prevailing wind patterns and temperature differences. It is not accurate to say that deserts always experience low pressure.

Given these explanations, it is clear that only statement 2 is correct. Therefore, option 3 is the correct answer.