F2 - SEM1 - Living things and air - 7.7

Question 1

What are common air pollutants?

7.7 Air quality

Answer 1

Sulphur dioxide
Nitrogen oxide
Carbon monoxide
Ozone
Suspended particulars

7.7 Air quality

Question 2

What is AQHI?

7.7 Air quality

Answer 2

• Air Quality Health Index
• calculated based on local health statistics and the amounts of air pollutants in air

7.7 Air quality

Question 3

What does AQHIs tell?

7.7 Air quality

Answer 3

AQHIs tell the public the possible health risks caused by air pollutants and help them take precautionary measure.

7.7 Air quality

Question 4

What are the effects of sulphure dioxide, nitrogen oxides and ozone on health?

7.7 Air quality

Answer 4

• irritate our eyes, throat and lungs
• worsen bronchitis and asthma

7.7 Air quality

Question 5

What are the effects of carbon monoxide on health?

7.7 Air quality

Answer 5

• reduces the oxygen-carrying ability of blood
• causing dizziness and headaches

7.7 Air quality

Question 6

What are the effects of Carbon particles on health?

7.7 Air quality

Answer 6

• irritate our lungs
• worsen bronchitis and asthma

7.7 Air quality

Question 7

What are the effects of Lead particles on health?

7.7 Air quality

Answer 7

• enter our blood through our lungs and be carried to the brain
• affect brain functions.

7.7 Air quality

Question 8

What are the 5 Health risk category?

7.7 Air quality

Answer 8

Low: 1-3
Moderate: 4-6
High: 7
Very High: 8-10
Serious: 10+

7.7 Air quality

Question 8

The amounts of air pollutants are measured at ____.

7.7 Air quality

Answer 8

The amount of air pollutants are measured at air quality monitoring stations in different districts

7.7 Air quality

Question 9

What is the major cause of air pollution in busy street in Hong Kong?

7.7 Air quality

Answer 9

Burning of fossil fuels in motor cars releases various pollutants to the air.

7.7 Air quality

Question 10

How does carbon monoxide affect on health?

7.7 Air quality

Answer 10

1. Reduce the oxygen-carrying ability of food
2. Cause dizziness and headaches

7.7 Air quality

Question 11

How does sulphur dioxide, nitrogen oxides and ozone affect on health?

7.7 Air quality

Answer 11

1. Irritate our eyes and throat
2. Irritate our lungs
3. Worsen bronchitis and asthma

7.7 Air quality

Question 12

How does carbon particles affect on health?

7.7 Air quality

Answer 12

1. Irritate our lungs
2. Worsen bronchitis and asthma

7.7 Air quality

Question 13

How does lead particles affect on health?

7.7 Air quality

Answer 13

Affect brain functions

7.7 Air quality

Question 14

Which department reports AQHIs?

7.7 Air quality

Answer 14

Environmental Protection Department

7.7 Air quality

Question 15

True or False

AQHIs is reported in different districts every hour

7.7 Air quality

Answer 15

True

7.7 Air quality

Question 16

Which health risk category does AQHI 9 belong to?

7.7 Air quality

Answer 16

Very high

7.7 Air quality

Question 17

What are measured in an air quality monitoring station?

7.7 Air quality

Answer 17

The amount of air pollutants in air are measured

7.7 Air quality

Question 18

True or False?

7.7 Air quality

Answer 18

7.7 Air quality

Question 19

True or False?

7.7 Air quality

Answer 19

7.7 Air quality

Question 20

True or False?

7.7 Air quality

Question 21

True or False?

7.7 Air quality

Answer 21

7.7 Air quality