Environment & Ecology · Environmental Science
Match the National Ambient Air Quality Standards (CPCB) pollutants with their respective industrial/residential averaging periods: Pollutant: a) PM2.5 b) SO2 c) O3 d) NO2 Averaging Period: 1. 24 hours2. Annual3. 8 hours4. 1 hour
- 1a-1, b-3, c-4, d-2
- 2a-2, b-1, c-3, d-4✓
- 3a-1, b-2, c-3, d-4
- 4a-2, b-1, c-4, d-3
Correct answer
a-2, b-1, c-3, d-4
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Environment & Ecology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Environmental Science?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Environment & Ecology · Environmental Science