Pollution Flashcards
Define Pollutant
Pollutant is any constituent which when added to water or soil or air, brings about undesirable effect on environment, affecting the life of living organisms.
In other words, any element or constituent that pollutes either soil, water or air is called pollutant.
State the five types of pollution.
- Air pollution
- Water pollution
- Soil pollution
- Radiation pollution
- Noise pollution
State the two types of air pollution.
- Gaseous Pollution
- Particulate pollution
Give a few control measures for Air Pollution
- Efficient engines
- Good quality automobiles
- Implementing use of CNG
- Installation of tall chimneys in factories
Give 5 sources of water pollution
- Oil spills
- Sewage
- Household detergents
- Thermal pollution
- Industrial wastes
Give 4 sources of Soil Pollution
- Chemical fertilizers -pesticides and DDT
- Biomedical wastes
- Urban commercial and domestic waste
- Industrial wastes
Define sanitary landfills
Sanitary landfills are places where the wastes are dumped in a ground depression and covered with dirt every day.
What is the chief pollutant by radiation?
Iodine 131 which increases risk of thyroid cancer
State 5 sources of noise pollution
- Loudspeakers and musical bands
- Trains and automobiles
- Industrial machines and workshops
- Jet aircrafts
- Television
State 5 harmful effects of noise pollution
- Interrupts concentration of thought
Disturbs peace of mind - Disturbs seep and leads to nervous irritability
- A sudden loud sound can damage eardrum and prolonged noise leads to deafness.
- Bird life gets disturbed
- Lower efficiency of work
Ways to minimize noise
- Prohibiting blow of horns
- Prohibition of bursting and purchasing of fire crackers
- Restriction on loud speakers
