Environmental Health Practice Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

Environmental Health Practice Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the main goal of environmental health? A. Treating diseases B. Preventing illness through environmental control C. Providing medical surgery D. Manufacturing medicines Which factor most directly affects indoor air quality? A. Outdoor traffic only B. Ventilation C. Water pressure D. Noise levels What is a common source of waterborne disease? A. Clean groundwater B. Contaminated drinking water C. Treated tap water D. Bottled water Which organism is commonly used as an indicator of water contamination? 2 A. E. coli B. Salmonella C. Virus X D. Yeast What does sanitation primarily aim to control? A. Spread of disease B. Climate change C. Noise pollution D. Radiation Which waste type poses the greatest biological risk? A. Recyclable waste B. Medical waste C. Construction debris D. Electronic waste What is the safest method of solid waste disposal? A. Open dumping B. Sanitary landfill C. Burning in open air D. River disposal 3 Which gas is a major indoor air pollutant from cooking? A. Oxygen B. Carbon monoxide C. Nitrogen D. Hydrogen What environmental factor contributes most to vector breeding? A. Dry soil B. Standing water C. Strong winds D. High altitude Which vector transmits malaria? A. Mosquito B. Housefly C. Tick D. Louse What is noise pollution mainly measured in? A. Hertz B. Decibels C. Watts D. Pascals 4 Which health effect is linked to long-term noise exposure? A. Skin irritation B. Hearing loss C. Vision problems D. Dehydration Which environmental hazard comes from burning fossil fuels? A. Water scarcity B. Air pollution C. Soil erosion D. Noise pollution What is the primary purpose of food hygiene practices? A. Prevent foodborne illness B. Improve taste C. Increase food prices D. Extend shelf display Which microorganism commonly causes food