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Pollution and Pollution Control

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.

What are the effects of soil pollution?


Direct contact with polluted soil can cause skin problems, respiratory problems, and ___ in human beings. ___ often contaminates the soil with harmful chemicals, affecting terrestrial life adversely.

(a)  

2.

What are short-lived climate pollutants?


Short-lived climate pollutants (SLCPs) persist in the atmosphere for a few days to a few ___ , and they make the climate ___.

(a)  

3.

What are areas with hypoxia known as?


Areas with hypoxia are known as (a)   zones.

4.

What is a consequence of air pollution caused by greenhouse gases emitted by cars?

a)

hearing loss

b)

global climate change

c)

speech interference

d)

weakening of bones

e)

stress

5.

What pollutant does this image convey?

a)

methane

b)

black carbon

c)

HFCs

d)

a persistent organic pollutant

e)

tropospheric ozone

6.

Which example displays a type of point source pollution?

a)

rainwater carrying toxic chemicals and debris to a river

b)

melted snow mixed with debris flowing into a city

c)

untreated water from a factory flowing into a lake

d)

smoke released by trucks

e)

rainwater mixing with garbage on the sidewalks of a street

7.

Hailey is categorizing, on the basis of predominance, the most important greenhouse gases. Which of the gases should she give priority to in her ranking?


Hailey is categorizing, on the basis of predominance, the most important greenhouse gases. She has classified ___ as the most important and ___ as the next most important greenhouse gas.

(a)  

8.

What are chlorofluorocarbons made of?


Chlorofluorocarbons are organic compounds consisting of carbon, fluorine, and (a)   .

9.

Which region has been experiencing the ozone hole every year since the 1980s?


The (a)   region has been experiencing the ozone hole every year since the 1980s.

10.

Volcanic eruptions and emissions from vegetation are the natural causes of which phenomenon?

a)

acid rain

b)

ozone layer depletion

c)

ozone layer hole

d)

global warming

e)

increase in sea levels

11.

Jenny is learning about the importance of the ozone layer. She was upset to know that there is a depletion of the ozone layer and human activities are adding to it. While she decides to spread awareness on the effects of pollution and reasons to curb it, she cannot do anything about the natural process of ozone depletion. What is the natural process that is causing the depletion of the ozone layer?

a)

natural processes that ensure ecological balance

b)

burning of fossil fuel

c)

UV rays reacting with O2 molecules

d)

the carbon cycle

e)

the oxygen cycle

12.

Joe is trying to find out how solar energy can replace the functioning of certain industrial needs. With this research, which phenomenon is Joe trying to curb?

a)

ozone layer depletion

b)

ozone layer hole

c)

global warming

d)

acid rain

e)

increase in sea levels

13.

How can you reduce air pollution arising from transportation?


Use ___ because they emit relatively less pollution.

Avoid ___ to reduce the emission of pollutants.

(a)  

14.

Which plant can help remove pollutants in rivers and lakes?


Water pollutants in rivers and lakes can be removed by (a)   .

15.

Which devices trap suspended particles in air by spraying water and other liquids?

a)

wet scrubbers

b)

catalytic converters

c)

cyclones

d)

baghouse filters

e)

pumps

16.

A farmer wants to reduce the need for pesticides at his farm. What should he do?

a)

Practice conservation tillage.

b)

Use beneficial insects.

c)

Plant grass.

d)

Plant trees.

e)

Use buffer strips.

17.

A team of environmentalists are removing volatile organic pollutants from soil by circulating air through the soil using pipes. Which remediation method are they using?

a)

air sparging

b)

natural attenuation

c)

soil vapor extraction

d)

bioventing

e)

bioremediation

18.

The ozone layer protects us from

a)

UV rays

b)

CFCs

c)

Increased atmospheric heat

d)

Decreased atmospheric heat

19.

The ozone layer is damaged by

a)

CFCs

b)

Increase in greenhouse gases

c)

Increased global temperatures

d)

Sulfuric and nitric acids

20.

Which of the following is a source of air pollution?

a)

Difficulty in breathing

b)

Factories

c)

Eye irritation

d)

Drinking water