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Biology Diagnostic Exam

Total questions: 25

Worksheet time: 36mins

Name
Class
Date
1.

A food chain is:

a)

an animal that eats only plants.

b)

a diagram that shows how energy moves from one organism to another. (Grass>Mouse>Owl)

c)

An animal that is hunted and eaten by another animal.

2.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
3.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
4.
What is the study of the interactions among organisms and  between organisms and their environments called?
a)
Biology
b)
Ecology
c)
Astronomy
d)
Biosphere
5.

An abiotic factor is:

a)

Living

b)

Non-living

c)

Neither

6.

An biotic factor is:

a)

Living

b)

Non-living

c)

Neither

7.
succession that occurs in an area with no soil
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
8.
succession that occurs in an area where soil is already present
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
9.
the first organisms that appear in an ecological community
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
10.
Which of the following is a finite resource?  
a)
solar energy 
b)
wind energy
c)
trees
d)
fossil fuels 
11.
Which trophic level in a food web would accumulate the LEAST amount of a toxin, such as methylmercury or DDT?
a)
autotrophs
b)
primary consumers 
c)
herbivores
d)
secondary consumers 
12.
Which of the following results when levels of CO2 in the atmosphere increase due to fossil fuel burning?
a)
ecological succession 
b)
acid rain 
c)
ozone depletion
d)
global warming
13.

Gradualism means Natural Selection would normally happen over many generations and very

a)

slowly

b)

quickly

c)

in space

d)

beyond time

14.
Behavioral changes of individuals of a species that allow for better survival. (Acquired traits)
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
15.
Insecticides are sprayed over a large area in an effort to reduce the number of grasshoppers that are eating the corn plants. How will this change affect this food chain? 
a)
The number of grasshoppers will increase
b)
The number of lizards will increase
c)
The number of lizards and hawks will decrease
d)
The number of grasshoppers, lizards, and hawks will decrease
16.

Which of these contains steps in the right order?

a)

Ask a question, state your hypothesis, research, experiment, analyze, share data

b)

State your hypothesis, ask a question, research, experiment, analyze, share data

c)

Ask a question, research, state your hypothesis, experiment, analyze, share data

d)

State your hypothesis, ask a question, research, share data, experiment, analyze

17.
- A close, prolonged association between two or more different species 
- One always benefits, while the other one either benefits, is not affected, or is harmed
a)
Host
b)
Commensalism
c)
Parasitism
d)
Symbiotic Relationship
18.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
19.

Which is an example of climate change?

a)

reforestation

b)

global warming

c)

air pollution

20.

Which of the following would most likely have a negative effect on the biodiversity of an ecosystem?

a)

combustion of fossil fuels releasing nitrogen gases and sulfur compounds in the atmosphere

b)

detoxification of human and industrial waste

c)

stricter control over transportation of plants or animals between

state and national borders

d)

increase in the number of wind turbines

21.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
22.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
23.

What is Ecology?

a)

The chemistry of Life

b)

The study of money

c)

The study of interactions between living and nonliving things in the environment.

d)

All of the above.

24.

A population must be of the same ________________?

a)

Color

b)

Gender

c)

Age

d)

Species

25.
What are the ecological levels of organization from smallest to the largest?
a)
organism, population, community, ecosystem, biome, biosphere
b)
organism, community, population, ecosystem, biome, biosphere
c)
organism, population, community, biome, ecosystem, ecosphere.
d)
organism, community, population, biome, ecosystem, ecosphere

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