Question

The monitoring stations established by NEERI have reported that Chembur–Trombay area in Mumbai has highest ______ in air.

• A. hydrocarbons
• B. carbon monoxide
• C. suspended particulate matter
• D. sulphur di-oxide

Hint:

Industrial areas usually show high SO$_2$ levels due to burning of fossil fuels.

Answer 1

The Correct Option is D

Step 1: Understanding air pollution data.
NEERI monitors air quality parameters in industrial regions of India to assess pollution levels.
Step 2: Analyzing the options.
(A) hydrocarbons: Incorrect. They are present but not the highest.
(B) carbon monoxide: Incorrect. It is higher in traffic-dense areas.
(C) suspended particulate matter: Incorrect. Though present, it is not the highest in this region.
(D) sulphur di-oxide: Correct. Industrial activities in Chembur–Trombay release high levels of sulphur di-oxide.
Step 3: Conclusion.
The correct answer is (D) sulphur di-oxide.