Which of the following is the primary reason for the smog in Delhi?
A. Rainfall
B. High humidity
C. Strong winds
D. Temperature inversion
Answer: Option D
Solution (By JKSSB Mock Tests)
Smog in Delhi is often caused by temperature inversions, which trap pollutants near the ground, combined with low wind speeds and emissions from vehicles, industries, and crop burning.
Explanation:
A positive Indian Ocean Dipole is characterized by warmer than normal sea surface temperatures in the western Indian Ocean and cooler in the east.
Explanation:
Tundra climates (Köppen ET) are characterized by permafrost (permanently frozen ground) and low-growing vegetation such as mosses, lichens, and shrubs. Trees are absent due to the short growing season.
Explanation:
The Pacific Decadal Oscillation is a long-term climate pattern where sea surface temperatures in the Pacific Ocean are cooler than normal for a period of 10-30 years.
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