Air Pollution & Emissions
Theme: Environment & Ecology
40 PYQs. Master elimination tricks first, then attempt individual questions below.
Top elimination tricks
PYQs in Air Pollution & Emissions
UPSC Prelims 2025
Artificial way of causing rainfall to reduce air pollution makes use of
Consider the following statements: Statement I: Circular economy reduces the emissions of greenhouse gases. Statement II: Circular economy reduces the use of...
Consider the following statements: I. Carbon dioxide (CO₂) emissions in India are less than 0.5 t CO₂/capita. II. In terms of CO₂ emissions from fuel combust...
Consider the following statements: Statement I: Studies indicate that carbon dioxide emissions from cement industry account for more than 5% of global carbon...
With reference to Direct Air Capture, an emerging technology, which of the following statements is/are correct? I. It can be used as a way of carbon sequestr...
UPSC Prelims 2024
According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?
Consider the following: 1. Pyroclastic debris 2. Ash and dust 3. Nitrogen compounds 4. Sulphur compounds How many of the above are products of volcanic erupt...
Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen?
UPSC Prelims 2023
Consider the following: 1. Aerosols 2. Foam agents 3. Fire retardants 4. Lubricants In the making of how many of the above are hydrofluorocarbons used?
Consider the following statements regarding Mercury pollution : 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based thermal ...