The term 'smog' is a combination of ____________.
Smoke and fog
Smog is a portmanteau word: Smoke + Fog.
It describes a type of severe air pollution characterised by reduced visibility and irritating, hazardous air.
Types of smog:
- Sulphurous (London-type) smog: Smoke + fog + SO₂ — occurs in cold, humid conditions
- Photochemical (Los Angeles-type) smog: NOx + VOCs + sunlight → ozone and other oxidants — occurs in warm, sunny conditions
Smog causes respiratory diseases, eye irritation, reduced crop yields, and visibility problems.
Similar Questions
The primary method of managing biodegradable domestic waste after collection is _________________.
A field exposed to excessive pesticide use shows a sharp decline in earthworm population. The resulting effect on soil is:
Biomedical waste handlers in a hospital are at risk of occupational hazards. The most effective way to protect them from exposure to infectious materials is:
The pollutant group commonly associated with oil spills in oceans is ______________.
A farmer applies large amounts of chemical fertilizers over several years. Which consequence most likely results from this practice leading to soil pollution?
The primary method of managing biodegradable domestic waste after collection is _________________.
A farmer applies large amounts of chemical fertilizers over several years. Which consequence most likely results from this practice leading to soil pollution?
The pollutant group commonly associated with oil spills in oceans is ______________.
The term 'smog' is a combination of ____________.
Biomedical waste handlers in a hospital are at risk of occupational hazards. The most effective way to protect them from exposure to infectious materials is:
Important Questions from Ecology and Environment
The Imperial Forest Research Institute was set up in 1906 in:
Buxa Tiger Reserve is located in:
Which day is celebrated as the World Environment Day?
Which Indian products are issued with eco - mark?
Degradation of global environment has not resulted in one of the following.
