Temperature inversion (inversion lid) is crucial for trapping pollutants near the surface, leading to high concentrations necessary for smog formation.
Which one of the following is the most important factor for the formulation of smog?
Asked in UPSC CDS 1 2022 · Topic: Pollution (Air Pollution: Types, sources, primary & secondary pollutants, smog, acid rain, effects, control technologies & policies.)
More Environment and Ecology questions
- Which one of the following air pollutants combines with the haemoglobin of human blood and reduces its oxygen-carrying capacity, leading to suffocation and may cause even death?
- Which one of the following is not included in the National Air Quality Index?
- 'Acid rain' consists of the following :
- Which of the following particulate matters (size based) are notified pollutants in National Ambient Air Quality Standards (NAAQS)?
- Which of the following major parameters are considered while deriving the Air Quality Index (AQI) of an area in India?
- Which of the following statements about Photochemical Smog is/are correct ? 1. It irritates the eyes. 2. It leads to cracking of rubber. 3. It causes considerable damage to plant life. Select the answer using the code given below :
- Bharat Stage emission standards are applicable to ______. 1. Transport Vehicles 2. Small Scale Industries 3. Power Plants
- Which of the following statements are correct regarding National Air Quality Index? 1. This Index was launched in the year 2014 under Swatchh Bharat Abhiyan. 2. It is outlined as One Number- One Colour- One Description. 3. The current measurement index is based on 12 pollutants. 4. Air Quality Range index ranging between 401-500 is considered as severe impact.