Ecosystems and Hazards Quiz

What is the main focus of an ecosystem?

• Man

• Trees

• Interdependence

• Animals

Which of the following is an example of an ecosystem service?

• Transportation services

• Regulating ecosystem processes

• Entertainment services

• Food delivery

What is the main cause of vegetation fires in Singapore?

• Industrial emissions

• Burning of vegetation

• Motor vehicle emissions

• Transboundary smoke haze

What is a potential health impact of long-term exposure to nitrogen dioxide?

• Respiratory infections

• Burns

• Increased risk of lung cancer

• Heart diseases

What was the top cause of fire incidents in residential premises in 2021?

• Vegetation fires

• Vehicle fires

• Electrical faults

• Unattended cooking

What is the main source of air pollution in Singapore?

• Industrial emissions

• Transboundary smoke haze

• Burning of vegetation

• Motor vehicle emissions

What is a potential impact of inhalation of PM 2.5 particles?

• Burns

• Heart diseases

• Respiratory infections

• Increased risk of lung cancer

What may be a consequence of serious injuries due to traffic hazards?

• Respiratory infections

• Disabilities or loss of life

• Heart diseases

• Increased risk of lung cancer

What is the main cause of non-residential fires?

• Unattended cooking

• Vegetation fires

• Electrical faults

• Vehicle fires

What is the main benefit obtained from the regulation of various ecosystem processes?

• Food delivery

• Regulating ecosystem processes

• Entertainment services

• Transportation services