1. What is the term used to describe the process of identifying and evaluating

the potential health effects of chemical, physical, and biological agents in the

environment?

a) Environmental risk assessment

b) Environmental impact assessment

c) Environmental health surveillance

d) Environmental epidemiology

*Answer: a) Environmental risk assessment. This is the process of estimating

the nature and probability of adverse health effects in humans who may be

exposed to environmental hazards.*

2. What is the main source of indoor air pollution in developing countries?

a) Tobacco smoke

b) Radon gas

c) Volatile organic compounds

d) Biomass fuel combustion

*Answer: d) Biomass fuel combustion. This refers to the burning of wood,

charcoal, dung, crop residues, and other solid fuels for cooking and heating,

which produces high levels of particulate matter, carbon monoxide, and other

pollutants.*

3. What is the most common vector-borne disease in the world?

a) Malaria

b) Dengue fever

c) Lyme disease

d) Leishmaniasis

*Answer: a) Malaria. This is a parasitic infection transmitted by the bite of

infected female Anopheles mosquitoes, which causes fever, chills, headache,

and other symptoms.*

4. What is the name of the international treaty that aims to protect human health

and the environment from the adverse effects of persistent organic pollutants

(POPs)?

a) The Basel Convention

b) The Stockholm Convention