Q30 / 180 · AIIMS 2002 · Botany

Green muffler is used against which type of pollution ?

A
Air
B
Soil
C
Water
Correct answer
D
Noise

Solution

Green plants are being planted around the road side to check the noise pollution. This is known as green muffler. Noise pollution is measured in decibels.

Hence, the correct answer is option: 'D'.

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