Microorganisms Unit Test Question Preview (ID: 23410)


This Covers ALCOSO# 8. TEACHERS: click here for quick copy question ID numbers.

The earliest known group of living organisms on Earth was
a) Protist
b) Bacteria
c) Humans
d) Flagella

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 can use the antibiotics to increase their replication.
c) Bacteria can use the antibiotics against the host.
d) Viruses adapt and change to make antibiotics ineffective.

When tested with a Gram stain, Gram-positive bacteria are stained
a) Purple
b) Green
c) Yellow
d) Red

Bacteria can be classified according to their
a) type of cell walls.
b) methods of obtaining energy.
c) Gram-staining characteristics.
d) All of the above

dinoflagellates : flagella ::
a) amoebas : pseudopodia
b) apicomplexans : flagella
c) ciliates : pseudopodia
d) amoebas : flagella

A “mass of cytoplasm that can ooze around obstacles” is most likely a
a) fruiting body.
b) water mold.
c) slime mold.
d) All of the above

Which of the following types of algae are most like plants?
a) colonial algae
b) filamentous algae
c) multicellular algae
d) unicellular algae

The study of viruses is a part of biology because
a) they belong to the kingdom Eubacteria.
b) they are about to become extinct.
c) they are living organisms.
d) they are active inside living cells.

Although algae are relatively unspecialized, they may have structures specialized for
a) anchoring to the ocean bottom.
b) reproduction
c) movement
d) All of the above

Bacteria lack a true nucleus and membrane-bound organelles; therefore, they are classified as
a) Prokaryotes
b) Eukaryotes
c) Methanogens
d) Halophiles

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