Environmental Studies 19B13BT211: Lecture 3.1 Air Pollution

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What are the three categories in which pollutants are classified from an ecological perspective?

Degradable or non-persistent pollutants, Slowly-degradable or persistent pollutants, Non-degradable pollutants

Define air pollution.

Air pollution is the presence of undesirable solid or gaseous particles in the air in quantities that are harmful to human health and the environment.

What was the Great Smog of London known for?

The Great Smog of London was an environmental disaster in England, United Kingdom, in 1952.

Name three primary pollutants that contribute to air pollution.

Carbon monoxide, nitrogen oxides, sulfur oxides Signup and view all the answers

Differentiate between primary pollutants and secondary pollutants.

Primary pollutants are directly emitted into the atmosphere, while secondary pollutants are formed by chemical reactions in the atmosphere. Signup and view all the answers

Why is DDT considered a slowly-degradable or persistent pollutant?

DDT is considered a slowly-degradable or persistent pollutant because it takes a long time to break down in the environment. Signup and view all the answers

What is the term used to describe a mixture of smoke and fog?

Smog Signup and view all the answers

What year was the Air Pollution Control Act passed in India?

1981 Signup and view all the answers

Which Act was passed in 1988 related to air pollution control?

Motor Vehicle Act Signup and view all the answers

What are the symptoms of air pollution on animals?

Lack of appetite, rapid loss in weight, lameness, diarrhea, and death Signup and view all the answers

What are the effects of air pollution on plants?

Epinastic, necrosis, chlorosis Signup and view all the answers

Name two types of stationary sources of air pollution.

Power plants and Municipal incinerators Signup and view all the answers

What is the effect of air pollution on the stratosphere?

Ozone depletion Signup and view all the answers

What are the three types of mobile sources of air pollution?

Highway vehicles, Railroad locomotives, Motor vehicles Signup and view all the answers

Define the term 'Aerosol' in the context of air pollution.

Particles suspended in air Signup and view all the answers

What is the term for aerosols produced by condensation of hot vapors of metals?

Fume Signup and view all the answers

What type of particulate matter consists of water droplets?

Fog Signup and view all the answers

Give an example of 'Fume' as a type of particulate in air pollution.

Column of one fluid moving to another Signup and view all the answers