The Air Quality Index (AQI) measures: MCQ with Answer and Explanation

The Air Quality Index (AQI) measures:
A. The quality of the air for health
B. The level of ozone depletion
C. The amount of rainfall
D. The amount of greenhouse gases
Answer: Option A
Solution (By JKSSB Mock Tests)
The Air Quality Index (AQI) is a standardized indicator of air quality that tells you how clean or polluted the air is and what associated health effects might be a concern.

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Practice More Climate and Weather Questions

Question #1
Which of the following is the primary reason for the low rainfall in the rain shadow region of the Western Ghats?
A. Distance from the sea
B. Altitude
C. Rain shadow effect
D. All of the above

Correct Answer: Option C


Explanation:
The rain shadow region of the Western Ghats (the Deccan Plateau) receives low rainfall because the mountains block the moisture-laden winds.

This question belongs to: Geography GK Climate and Weather
Question #2
What is the name of the phenomenon where the atmospheric pressure in the Azores is higher than normal and in Iceland is lower than normal?
A. North Atlantic Oscillation
B. Pacific-North American Pattern
C. Arctic Oscillation
D. Madden-Julian Oscillation

Correct Answer: Option A


Explanation:
The North Atlantic Oscillation is a large-scale pattern of sea level pressure differences between the Azores (subtropical high) and Iceland (subpolar low).

This question belongs to: Geography GK Climate and Weather
Question #3
A 'temperature inversion' occurs when:
A. Temperature increases with altitude
B. Temperature varies randomly
C. Temperature is constant with altitude
D. Temperature decreases with altitude

Correct Answer: Option A


Explanation:
A temperature inversion is a reversal of the normal temperature gradient in the troposphere, where temperature increases with altitude instead of decreasing. This traps pollutants and can cause fog and smog.

This question belongs to: Geography GK Climate and Weather