01
True or false
1 point
True or false: Pollution can move between air, water, and soil.
Free Practice Quiz Question List
5 Pollution and Environmental Health Online Quiz Questions
Use this free practice quiz with 20 questions to review 5 Pollution and Environmental Health, test your knowledge, and prepare for your next test or exam.
20 questions
02
Fill in the blank
1 point
Ground-level ozone forms when other pollutants react in .
03
True or false
1 point
True or false: Personal choices alone are enough to prevent pollution from major sources.
- A
True
- B
False
04
Choose one
1 point
After fertilizer runoff fuels a large algal bloom in a lake, what can happen as the algae die and decompose?
- A
Nitrogen levels rise, preventing fish from breathing
- B
Dissolved oxygen falls, stressing or killing fish
- C
The water becomes groundwater
- D
Sediment turns into ground-level ozone
05
Written response
1 point
What organisms in contaminated drinking water can cause illnesses such as cholera and typhoid?
06
Fill in the blank
1 point
Some contaminants in soil can move into and surface water.
07
Choose one
1 point
Children are coming into contact with soil at a site known to be contaminated. Which action would directly reduce their exposure while the site is managed?
- A
Encourage children to play there so the soil is disturbed
- B
Spread the soil across nearby gardens
- C
Restrict access to the contaminated area
- D
Stop monitoring because the original activity has ended
08
Choose all
1 point
Select all the factors that can affect the risk from a pollutant.
- A
The type of pollutant
- B
The color of the container it came from
- C
The amount of the pollutant
- D
How long exposure lasts
- E
How people or wildlife encounter it
09
Written response
1 point
What is the exposure route when a person eats food grown in contaminated soil?
10
Choose one
1 point
A city wants to reduce emissions from transportation at their source. Which plan best supports that goal?
- A
Build taller chimneys so emissions travel farther
- B
Improve public transport and support walking and cycling
- C
Burn waste outside instead of sending it to a landfill
- D
Move polluted air from one neighborhood to another
11
Choose all
1 point
Select all the actions that can help prevent water pollution.
- A
Treat sewage and industrial wastewater before discharge
- B
Dispose of chemicals properly and prevent spills
- C
Reduce excess fertilizer and pesticide use
- D
Use vegetated streamside buffers to slow runoff
12
Choose one
1 point
A household wants to reduce indoor air pollution from cooking and heating. Which change best addresses the source?
- A
Burning household waste indoors
- B
Keeping windows closed while using a polluting fuel stove
- C
Switching to cleaner household cooking and heating
- D
Using more polluting fuel to heat the home faster
13
Open ended
1 point
A site has contaminated soil, and the original industrial activity has stopped. Describe a practical response plan to reduce exposure and manage the contamination. Explain why the measures you choose are appropriate given the contaminants and likelihood of exposure.
14
Choose one
1 point
A substance enters a lake but causes no harm to people, other organisms, or ecosystems at the level present. Which conclusion best fits the definition of pollution?
- A
It is pollution because any substance entering the environment is pollution, regardless of harm.
- B
It is not pollution at the level present because it causes no harm to people, other organisms, or ecosystems.
- C
It is pollution only if it remains in the lake permanently.
- D
It is pollution only if it directly causes illness in people.
15
True or false
1 point
Ground-level ozone forms when other pollutants react in sunlight, and it is different from the protective ozone layer high in the atmosphere.
- A
True
- B
False
16
Written response
1 point
Which nutrient, alongside nitrogen, may trigger algal growth when present in excess in a waterway?
17
Choose one
1 point
A community wants to reduce indoor smoke from cooking and heating with polluting fuels. Which action most directly prevents this air pollution at its source?
- A
Open windows more often while continuing to burn polluting fuels
- B
Move household smoke outdoors without changing the fuel or appliance
- C
Use cleaner household cooking and heating methods
- D
Rely only on cleanup after pollutants have spread outdoors
18
Choose one
1 point
A family eats vegetables grown in soil contaminated by an industrial pollutant. Which explanation describes a plausible exposure pathway?
- A
A contaminant can enter food grown in contaminated soil and expose people who eat it.
- B
A person can be exposed only by swallowing soil directly.
- C
Soil contamination cannot affect people unless the original polluting activity is still happening.
- D
Food grown in contaminated soil is protected from pollutants by rainfall.
19
Written response
1 point
Rain washes fertilizer and sediment from many parts of a farm into a stream, with no single discharge outlet. What category of water pollution does this illustrate?
20
Choose one
1 point
Nutrient runoff fuels a large algal bloom in a lake. Why might fish be harmed after the algae die?
- A
Algae directly convert all pollutants into harmless substances before dying.
- B
Algal growth raises dissolved oxygen as the algae decompose.
- C
Fish are stressed because fertilizer makes water flow too quickly.
- D
Decomposition of the algae can use up dissolved oxygen, leaving less for fish.