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