Environmental Health | Quiz (Passed with 100%) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

Environmental Health | Quiz (Passed with 100%) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified Which factor is most directly linked to waterborne diseases? A. Noise pollution B. Contaminated drinking water C. Poor lighting D. Climate change What is considered safe drinking water? A. Water with colour B. Water free from harmful microorganisms C. Water with minerals only D. Warm water Which pollutant mainly causes smog in cities? A. Carbon dioxide B. Nitrogen oxides C. Oxygen D. Water vapour 2 What does sanitation mainly focus on? A. Air quality B. Safe disposal of human waste C. Noise control D. Soil conservation Which disease is commonly spread by unsafe water? A. Cholera B. Asthma C. Diabetes D. Tuberculosis What is indoor air pollution often caused by? A. Trees B. Cooking with solid fuels C. Open windows D. Rain Which environmental factor affects hearing health? A. Light B. Noise C. Humidity D. Temperature 3 What is a major source of outdoor air pollution? A. Vehicle emissions B. Trees C. Rainfall D. Rivers Which group is most vulnerable to environmental hazards? A. Healthy adults B. Children and the elderly C. Athletes D. Office workers What does waste management aim to reduce? A. Water supply B. Health and environmental risks C. Food production D. Employment Which waste type includes food scraps and paper? A. Biodegradable waste B. Hazardous waste C. Radioactive waste 4 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 Which vector transmits malaria? A. Mosquito B. Fly C. Rat D. Tick What does vector control aim to do? A. Increase insects B. Reduce disease transmission C. Improve farming D. Increase biodiversity Which chemical is commonly used to disinfect