Environmental Health Test Bank Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026/2027 Q&A | Instant
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1. Environmental health primarily focuses on which of the
following?
a. Treatment of diseases in hospitals
b. Prevention of disease through control of environmental
factors
c. Genetic research
d. Pharmaceutical development
Rationale: Environmental health emphasizes preventing
illness by managing environmental factors such as water,
air, food, and waste.
2. Which organization sets international environmental health
guidelines?
a. UNICEF
b. World Health Organization (WHO)
c. Red Cross
d. World Bank
Rationale: WHO develops global guidelines and standards
related to environmental and public health.
3. The main route of exposure for waterborne diseases is:
a. Inhalation
,b. Ingestion
c. Skin contact
d. Injection
Rationale: Waterborne diseases are most commonly
transmitted through ingestion of contaminated water.
4. Which waste management method reduces volume and
destroys pathogens?
a. Landfilling
b. Incineration
c. Composting
d. Recycling
Rationale: Incineration reduces waste volume and
eliminates pathogens through high temperatures.
5. Which vector is most commonly associated with malaria?
a. Housefly
b. Tsetse fly
c. Anopheles mosquito
d. Flea
Rationale: Malaria is transmitted by the female Anopheles
mosquito.
6. Safe drinking water should be free from:
a. Dissolved oxygen
b. Pathogenic microorganisms
c. Minerals
d. Taste
, Rationale: Drinking water must not contain disease-causing
microorganisms.
7. The most effective method for household water disinfection
is:
a. Filtration only
b. Boiling
c. Sedimentation
d. Aeration
Rationale: Boiling kills bacteria, viruses, and parasites
effectively.
8. Which environmental factor contributes most to respiratory
diseases?
a. Water pollution
b. Air pollution
c. Soil erosion
d. Noise pollution
Rationale: Air pollution significantly affects the respiratory
system.
9. Noise pollution is primarily measured in:
a. Hertz
b. Lux
c. Decibels
d. Parts per million
Rationale: Noise intensity is measured in decibels (dB).
10. Which disease is associated with poor sanitation?
a. Diabetes
And Correct Answers (Verified Answers)
Plus Rationales 2026/2027 Q&A | Instant
Download Pdf
1. Environmental health primarily focuses on which of the
following?
a. Treatment of diseases in hospitals
b. Prevention of disease through control of environmental
factors
c. Genetic research
d. Pharmaceutical development
Rationale: Environmental health emphasizes preventing
illness by managing environmental factors such as water,
air, food, and waste.
2. Which organization sets international environmental health
guidelines?
a. UNICEF
b. World Health Organization (WHO)
c. Red Cross
d. World Bank
Rationale: WHO develops global guidelines and standards
related to environmental and public health.
3. The main route of exposure for waterborne diseases is:
a. Inhalation
,b. Ingestion
c. Skin contact
d. Injection
Rationale: Waterborne diseases are most commonly
transmitted through ingestion of contaminated water.
4. Which waste management method reduces volume and
destroys pathogens?
a. Landfilling
b. Incineration
c. Composting
d. Recycling
Rationale: Incineration reduces waste volume and
eliminates pathogens through high temperatures.
5. Which vector is most commonly associated with malaria?
a. Housefly
b. Tsetse fly
c. Anopheles mosquito
d. Flea
Rationale: Malaria is transmitted by the female Anopheles
mosquito.
6. Safe drinking water should be free from:
a. Dissolved oxygen
b. Pathogenic microorganisms
c. Minerals
d. Taste
, Rationale: Drinking water must not contain disease-causing
microorganisms.
7. The most effective method for household water disinfection
is:
a. Filtration only
b. Boiling
c. Sedimentation
d. Aeration
Rationale: Boiling kills bacteria, viruses, and parasites
effectively.
8. Which environmental factor contributes most to respiratory
diseases?
a. Water pollution
b. Air pollution
c. Soil erosion
d. Noise pollution
Rationale: Air pollution significantly affects the respiratory
system.
9. Noise pollution is primarily measured in:
a. Hertz
b. Lux
c. Decibels
d. Parts per million
Rationale: Noise intensity is measured in decibels (dB).
10. Which disease is associated with poor sanitation?
a. Diabetes
