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Microorganisms Unit Test
Test Description: This covers ALCOSO# 8
Instructions: Answer all questions to get your test result.
1) The earliest known group of living organisms on Earth was
A
Protist
B
Flagella
C
Bacteria
D
Humans
2) Why can the use of antibiotics to fight minor illness become a serious problem?
A
Viruses can use the antibiotics to increase their replication.
B
Bacteria can use the antibiotics against the host.
C
Viruses adapt and change to make antibiotics ineffective.
D
Bacteria adapt and become immune to the antibiotics.
3) When tested with a Gram stain, Gram-positive bacteria are stained
A
Purple
B
Green
C
Yellow
D
Red
4) Bacteria can be classified according to their
A
methods of obtaining energy.
B
Gram-staining characteristics.
C
type of cell walls.
D
All of the above
5) dinoflagellates : flagella ::
A
apicomplexans : flagella
B
ciliates : pseudopodia
C
amoebas : flagella
D
amoebas : pseudopodia
6) A “mass of cytoplasm that can ooze around obstacles” is most likely a
A
slime mold.
B
All of the above
C
water mold.
D
fruiting body.
7) Which of the following types of algae are most like plants?
A
filamentous algae
B
multicellular algae
C
colonial algae
D
unicellular algae
8) The study of viruses is a part of biology because
A
they belong to the kingdom Eubacteria.
B
they are living organisms.
C
they are active inside living cells.
D
they are about to become extinct.
9) Although algae are relatively unspecialized, they may have structures specialized for
A
movement
B
anchoring to the ocean bottom.
C
reproduction
D
All of the above
10) Bacteria lack a true nucleus and membrane-bound organelles; therefore, they are classified as
A
Eukaryotes
B
Methanogens
C
Prokaryotes
D
Halophiles
*select an answer for all questions
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