Air Pollution: Causes, Effects and Control · NCERT Biology

The Air (Prevention and Control of Pollution) Act was amended in 1987 to include which of the following as an air pollutant?

  1. Carbon dioxide
  2. Noise
  3. Water vapor
  4. Dust
Show answer and explanation

Correct answer: Noise

The original Air Act came into force in 1981, but it was amended in 1987. This amendment officially recognized noise as an air pollutant due to its harmful effects on human physiological and psychological health.

Difficulty: Medium Question 7 of 20

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