18 Questions
Non-biodegradable pollutants easily break down into simpler and harmless products.
False
Smog is an example of a non-biodegradable pollutant.
False
Point source pollution refers to pollution that comes from a single identifiable source.
True
Bio-degradable pollutants are broken down by the activity of micro-organisms.
True
Examples of non-biodegradable pollutants include various insecticides and other pesticides.
True
Sewage treatment plants are examples of sources of non-point source pollution.
False
Polluted substances necessarily cause harm due to their higher concentration.
True
Contaminated substances do not necessarily cause harm despite their higher concentration.
True
Soil can be polluted but not contaminated.
False
Quantitative pollutants are substances that are not normally present in the environment.
False
Primary pollutants are substances directly emitted from a source and remain in that form.
True
Secondary pollutants are formed by chemical reactions between primary pollutants and environmental constituents.
True
Using industrial effluent as a water source for crops can lead to soil and water pollution.
True
Petroleum spills can improve the quality of soil for further cultivation.
False
Radioactive pollutants fall under the category of organic pollutants.
False
Dioxins and furans are compounds that degrade quickly in the environment.
False
Phthalates are used as plasticizers in large quantities.
True
Burning coal and fossil fuels does not contribute to the spread of Polycyclic Aromatic Hydrocarbons (PAHs) on soil in urban areas.
False
Test your knowledge on the differences between pollution and contamination, as well as the definition of pollutants and their effects on the environment. Learn about how soil can be contaminated but not necessarily polluted.
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