Real Estate Principles Exam Study Guide:
Practice Questions + Answers on Property
Rights, Land Use & Environmental
Hazards. Environment & Property Basics
(MCQ Style)
Q1. According to the EPA, at what level does radon become a health concern requiring
mitigation?
A) 2.0 picocuries per liter
B) 3.0 picocuries per liter
C) 4.0 picocuries per liter ✅
D) 5.0 picocuries per liter
Q2. What type of gas is radon?
A) Colorless, odorless, radioactive gas ✅
B) Greenish, flammable gas
C) Strong-smelling toxic vapor
D) Harmless natural air component
Q3. Where does radon primarily come from?
A) Industrial chemical plants
B) Breakdown of uranium in soil and rock ✅
C) Exhaust fumes from vehicles
D) Household cleaning products
Q4. How can radon enter a home?
A) Through open windows only
B) Through cracks and gaps in floors, walls, and foundations ✅
C) Through roof leaks
D) Through electrical wiring
Q5. What is the most effective radon mitigation system for homes?
A) Air purifiers
B) Sub-slab depressurization ✅
, C) Closing all windows
D) Installing insulation
Q6. True or False: There is a safe level of radon exposure.
A) True
B) False ✅
C) Depends on location
D) Only for children
Q7. Which disease is primarily linked to radon exposure?
A) Skin cancer
B) Stomach cancer
C) Lung cancer ✅
D) Brain tumor
Q8. After smoking, what is the second leading cause of lung cancer in the U.S.?
A) Asbestos
B) Air pollution
C) Radon exposure ✅
D) Second-hand smoke
Q9. Which type of property is more likely to have radon issues?
A) Old houses only
B) Wooden homes
C) Any property (all types can have radon) ✅
D) High-rise buildings only
Q10. What test is used to measure radon levels in homes?
A) Water testing kit
B) Smoke detector
C) Radon detection kit ✅
D) Carbon monoxide monitor
Q11. The right to use water from a stream, river, or lake adjacent to land is called:
A) Littoral rights
B) Riparian rights ✅
C) Water license
D) Flowage easement
Practice Questions + Answers on Property
Rights, Land Use & Environmental
Hazards. Environment & Property Basics
(MCQ Style)
Q1. According to the EPA, at what level does radon become a health concern requiring
mitigation?
A) 2.0 picocuries per liter
B) 3.0 picocuries per liter
C) 4.0 picocuries per liter ✅
D) 5.0 picocuries per liter
Q2. What type of gas is radon?
A) Colorless, odorless, radioactive gas ✅
B) Greenish, flammable gas
C) Strong-smelling toxic vapor
D) Harmless natural air component
Q3. Where does radon primarily come from?
A) Industrial chemical plants
B) Breakdown of uranium in soil and rock ✅
C) Exhaust fumes from vehicles
D) Household cleaning products
Q4. How can radon enter a home?
A) Through open windows only
B) Through cracks and gaps in floors, walls, and foundations ✅
C) Through roof leaks
D) Through electrical wiring
Q5. What is the most effective radon mitigation system for homes?
A) Air purifiers
B) Sub-slab depressurization ✅
, C) Closing all windows
D) Installing insulation
Q6. True or False: There is a safe level of radon exposure.
A) True
B) False ✅
C) Depends on location
D) Only for children
Q7. Which disease is primarily linked to radon exposure?
A) Skin cancer
B) Stomach cancer
C) Lung cancer ✅
D) Brain tumor
Q8. After smoking, what is the second leading cause of lung cancer in the U.S.?
A) Asbestos
B) Air pollution
C) Radon exposure ✅
D) Second-hand smoke
Q9. Which type of property is more likely to have radon issues?
A) Old houses only
B) Wooden homes
C) Any property (all types can have radon) ✅
D) High-rise buildings only
Q10. What test is used to measure radon levels in homes?
A) Water testing kit
B) Smoke detector
C) Radon detection kit ✅
D) Carbon monoxide monitor
Q11. The right to use water from a stream, river, or lake adjacent to land is called:
A) Littoral rights
B) Riparian rights ✅
C) Water license
D) Flowage easement
