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Microbiology, Fifth Edition
Microbiology, 5/e
Lansing M Prescott, Augustana College
Donald A Klein, Colorado State University
John P Harley, Eastern Kentucky University
Bacteria: The High G + C Gram Positives

Multiple Choice Quiz

Choose the best answer



1

Actinomycetes are usually found in __________ habitats.
A)soil
B)freshwater
C)marine
D)all of these.
2

Actinomycetes form
A)substrate mycelia.
B)aerial mycelia.
C)both substrate mycelia and aerial mycelia.
3

Actinomycetes form spores that are
A)asexual
B)are used for sexual reproduction
C)both asexual and sexual
D)they do not form spores
4

The streptomycetes represent __________ of the viable organisms in the soil.
A)5%
B)10%
C)1-20%
D)1-10%
5

Diphtheria is caused by a member of which of the following genera?
A)Mycobacterium
B)Corynebacterium
C)Streptomyces








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