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Heavy metals

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.
Which toxic substance can be found in the water of buildings with old plumbing systems?
a)
Lead
b)
Radon
c)
Mercury
d)
Arsenic
e)
Methane
2.
Which toxic substance is often released during the manufacturing of cement?
a)
Lead
b)
Radon
c)
Arsenic
d)
Mercury
e)
Methane
3.
Which is a heavy metal associated with burning coal?
a)
Lead
b)
Uranium
c)
Sulfur
d)
Mercury
e)
Carbon
4.
Mercury is especially dangerous to the general public because
a)
it accumulates as it moves up the aquatic food chain.
b)
it leaches out of incinerated household waste.
c)
there are no emissions regulations for mercury in the United States.
d)
it causes damage to the respiratory systems of infants.
e)
it occurs naturally in bedrock.
5.
Acid deposition from SO2 emissions occurs
a)
as acid rain, acid snow, or dry-acid deposition.
b)
as acid rain only.
c)
as acid rain and acid snow.
d)
as gasses that harm the ozone layer.
e)
only as particles that attach to the surfaces of plants.
6.

What substance is believed to be responsible for the development of eggs in the testes of some male fish?

a)

DDT

b)

PBDEs

c)

Perchlorates

d)

Endocrine disruptors

7.

The only metal that is liquid at room temperature

a)

Fe

b)

Au

c)

Hg

d)

Pb

8.

When was leaded petrol phased out in australia?

a)

2000

b)

2001

c)

2002

d)

2003

9.

Where can exposure to lead and lead compound come from ?

a)

breathing air

b)

drinking water

c)

eating soil or foods that contain lead or

lead compounds.

d)

all of the above

10.

Where is ingested lead deposited?

a)

Muscle

b)

Organs

c)

Bones and teeth

d)

Blood

11.

Which group is most at risk of exposure to lead?

a)

Young adults

b)

Young children and unborn babies

c)

Elderly

d)

Teenagers and children

12.

Toxins ingested at a higher rate than they are eliminated is the definition of?

a)

Bioaccumulation

b)

Biomagnification

13.

In biomagnficiation, organism that are higher in the food chain are at the greatest risk of ingesting more toxins.

a)

True

b)

False

14.

This type of heavy metal poisoning is one of the oldest occupational and environmental disease in the world.

a)

lead

b)

mercury

c)

arsenic

d)

Sulfur dioxide

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