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biochem CE

Total questions: 41

Worksheet time: 34mins

Name
Class
Date
1.
Which of these is a MAJOR cause of acid rain?
a)
spraying pesticides on crops
b)
burning fossil fuels for energy
c)
dumping sewage in river systems
d)
using uranium to generate electricity
2.
Which one of these is NOT a direct result of acid rain?
a)
damage to monuments
b)
dying fish
c)
spread of disease
d)
weakened trees
3.
True or false.  Acid rain can become a problem in different countries through transboundary pollution.
a)
true
b)
false
4.
How is acid rain formed?
a)
Carbon monoxide and carbon dioxide mix with water in the ocean.
b)
Carbon dioxide and oxygen mix with water in the air.
c)
Sulfur dioxide and carbon monoxide mix with lake water.
d)
Sulfur dioxide and nitrogen oxide mix with water in the air.
5.
Which of these is an impact of acid rain?
a)
dissolves nutrients in the soil
b)
raises oxygen levels
c)
gives off chemicals
d)
reduces the amount of coal used
6.

Which is a result of human activities?

a)

decay of leaves in a forest

b)

acid rain kills fish in a lake

c)

volcanic eruptions

d)

bad weather

7.
Acid rain is a serious problem in some countries.
a)
True 
b)
False
8.

Which does NOT cause acid rain?

a)

erupting volcanoes

b)

burning fossil fuels - coal, oil, gas

c)

electric cars

d)

car engines

9.

How does acid rain affect humans?

a)

air pollution gets into our lungs and water

b)

It burns our clothes

c)

it makes us blind

d)

it makes us blonde

10.

What can acid rain corrode (react and dissolve)?

a)

statues

b)

houses

c)

grass

d)

trees

11.

What are the two types of acids that are in acid rain?

a)

Iron

b)

sulfuric

c)

nitric

d)

sulfur

12.

Using fossil fuels reduce acid rain

a)

True

b)

False

13.

Using solar and wind power help reduce acid rain

a)

True

b)

False

14.

What can you do to reduce acid rain?

a)

Use renewable resources

b)

Drive more

c)

Cut down trees

d)

Eat less meat

15.

Acid rain can damage

a)

Drinking water sources

b)

Aquatic (water) life

c)

Architecture / buildings

d)

All options are correct

16.
When harmful substances build up in the air to unhealthy levels, it is called
a)
Smog
b)
Primary pollutant
c)
Secondary pollutant
d)
Air pollution
17.

What is the ph level of acid rain?

a)

4

b)

3

c)

1

d)

6

18.

What can acid rain pollute?

a)

Trees

b)

Water

c)

Air

d)

Clouds

19.

Is acid rain a corrosive substance?

a)

No

b)

Yes

20.

WHAT DO NATURAL FERTILIZERS PROVIDE TO PLANTS

a)

FOOD

b)

INSECTS

c)

NITROGEN

21.

EGG SHELLS PROVIDE...... TO THE PLANT

a)

COLOR

b)

CALCIUM

c)

WEEDS

22.

What is manure?

a)

Chemicals

b)

Decaying organic matter

c)

By-products of oil production

23.

What is used by organic farmers to enrich the soil?

a)

Fertilizer

b)

Pesticides

c)

Antibiotics

d)

Manure from animals

24.

In the acronym NPK, N stands for?

a)

Potassium

b)

Phosphorus

c)

Nitrogen

d)

Oxygen

25.

In the acronym NPK, P stands for?

a)

Potassium

b)

Phosphorus

c)

Nitrogen

d)

Oxygen

26.

In the acronym NPK, K stands for?

a)

Potassium

b)

Phosphorus

c)

Nitrogen

d)

Oxygen

27.

What are the three essential elements that plants require?

a)

nitrogen phosphate potassium

b)

nitrogen sulphur potassium

c)

nitrogen potassium phosphorous

d)

nitrogen potassium polonium

28.

Which of the following would be a suitable fertiliser?

a)

nitrogen dioxide

b)

potassium nitrate

c)

copper phosphate

d)

nitrogen oxide

29.

Decomposers do NOT need energy to live.

a)

True

b)

False

30.

How does the food chain start?

a)

Plant life uses energy from the sun to make food.

b)

Insects like grasshoppers eat plant life.

c)

Animals like rats eat insects.

d)

Humans eat large animals and plant life.

31.
Biotic factors of an ecosystem are:
a)
non-living
b)
plants
c)
living thing
d)
soil
32.
True or False. In this energy pyramid, the consumers on each level only get about 10 percent of energy that the trophic level before it has stored.
a)
True
b)
False
33.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
34.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
35.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
36.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
37.
What is a trophic level?
a)
Each level represented within a food chain or web.
b)
Levels of ecosystems that the world is divided into.
c)
Different levels of nutrients present within an organism.
d)
The levels of sunlight an autotroph needs to survive. 
38.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use. 
b)
How much energy a particular organism needs. 
c)
How much energy is needed to build a pyramid. 
d)
The amount of energy available to the next 'feeder' in a food web.
39.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.
40.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
41.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 

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