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Worksheets

Webinar 2

Total questions: 20

Worksheet time: 4mins

Name
Class
Date
1.

Virus is considered as one of the particulate matters that falls within the dangerous range for the lungs.

a)

True

b)

False

2.

Effects of photochemical smog often related to the production of

a)

Smoke

b)

Haze

c)

Ground level ozone

d)

Ozone

3.

A decrease in 1% in the ozone layer can cause _____ increased cases of skin cancer.

a)

0%

b)

1%

c)

3%

d)

5%

4.

Skin cancer is caused by the increased of

a)

UVA

b)

UVB

c)

UVC

d)

UVD

5.

Which of the following is not one of the effects of acid deposition?

a)

Storage of toxic metal ions in soil

b)

Loss of acid-sensitive species

c)

Plants become more vulnerable to diseases

d)

Soil acidification.

6.

Greenhouse effect is bad and not needed by Earth at all.

a)

True

b)

False

7.

Greenhouse effect will increase the intensity of extreme weather but not the quantity.

a)

True

b)

False

8.

The ocean absorbs about _____ of the carbon dioxide that is released in the atmosphere.

a)

10%

b)

20%

c)

30%

d)

40%

9.

Shelled marine animals will be benefitted from ocean acidification because ocean acidification gives them additional carbonate to build their shells.

a)

True

b)

False

10.

Which of the following is not one of the bad effects of eutrophication?

a)

Increased cases of Blue Baby Syndrome.

b)

Increase aesthetic value for tourism use of lakes

c)

Decreased availability of clean drinking water

d)

Large financial losses

11.

We should continue to use facial scrub that contain microbeads to overcome microplastics pollution.

a)

True

b)

False

12.

Mammals like sea otters and seabirds that are affected by oil pollution will eventually die from

a)

Hypothermia

b)

Hyperthermia

c)

Cooling

d)

Heat stroke

13.

The nuclear industry has come out with solution to waste problem, that is by putting it into a geological repository.

a)

True

b)

False

14.

Radioactive pollution increases the cases of the following, except

a)

Fertility

b)

Mental retardation

c)

Autism

d)

Cancers

15.

Bioaccumulation will have the most devastating effect on

a)

Primary consumers

b)

Secondary consumers

c)

Top predators like human

d)

Producers

16.

Hazardous materials on landfills will not easily leak into underground water because they cannot pass through the soil layers.

a)

True

b)

False

17.

Which of the following is not one of the causes of land pollution?

a)

Sewage and wastes runoffs.

b)

Animal wastes from farming.

c)

Rainwater that do not pass through air pollution.

d)

Agricultural pesticides runoffs.

18.

Increasing salinity of soil can help in plant growth to increase crop yield.

a)

True

b)

False

19.

Photochemical smog is formed by chemical reactions involving the following substances, except

a)

carbon dioxide

b)

sunlight

c)

nitrogen oxides

d)

hydrocarbons

20.

Increased UVB will kill _____ and affects the marine food chain badly.

a)

shark

b)

zooplankton

c)

seaweed

d)

phytoplankton