Question 46
Set 2
Contents
QQuestion
Statement I:
The amount of dust particles in the atmosphere is more in subtropical and temperate areas than in equatorial and polar regions.
Statement II :
Subtropical and temperate areas have less dry winds.
Which one of the following is correct in respect of the above statements?
OOptions
✓Correct Answer
DDalvoy Solutions
Statement I: Correct. Subtropical and temperate regions do have more dust particles in the atmosphere compared to equatorial and polar regions. This is due to factors like arid conditions, seasonal wind patterns, and human activities in these zones.
Statement II: Incorrect. Subtropical and temperate areas actually have more dry winds, not less. These regions experience dry winds like trade winds, westerlies, and seasonal monsoon winds that contribute to dust particle suspension. Areas like the subtropical deserts (Sahara, Thar) are major sources of atmospheric dust due to persistent dry winds.
The high dust content in subtropical regions is actually caused by the prevalence of dry winds, making Statement II incorrect as an explanation.
SUPSC Prelims Strategy and Tips
For atmospheric science questions, consider the relationship between wind patterns, humidity, and dust distribution. Dry winds typically increase dust content, while humid conditions tend to reduce it.