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Microorganisms
Test Description: Science
Instructions: Answer all questions to get your test result.
1) What is a microorganism?
A
A disease.
B
A type of plant cell.
C
An organism that can only be seen with a microscope.
D
A nonliving organism
2) ___________ produce most of the oxygen you breathe!
A
amoebas
B
E. coli
C
bacteria
D
algae
3) What does the word persuasive mean?
A
To argue with someone.
B
To convince someone to believe something through reasoning.
C
To agree with someone.
D
To tell a story.
4) 3 types of organisms we learned about are _______________________
A
amoebas, algae, nucleus
B
decay, digest, harmful
C
amoebas, algae, bacteria
D
cytoplasm, cell membrane, chloroplast
5) What is a synonym for beneficial?
A
Unfavorable
B
Helpful
C
bad
D
Harmful
6) _________ is an organism that gets energy by using dead organisms, nonliving materials, or waste as food.
A
Producer
B
Carnivore
C
Animal
D
Decomposer
7) Microorganisms can be seen with the naked eye?
A
True
B
false
8) Microorganisms can be helpful in producing ________.
A
Diseases
B
Food and vitamins
C
Cavities
D
Infections
9) Humans are made up of ____________ tiny cells.
A
millions
B
3,000
C
100
D
43
10) Which observation supports the claim that microorganism are helpful to ecosystems?
A
Microorganisms are too small to be seen with the naked eye.
B
Microorganisms break down plants and animals, making nutrients available.
C
Millions of microorganisms can be found in the soil.
D
Like all living things, microorganisms need water and energy.
*select an answer for all questions
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