Bacteria
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The
gram-positive bacteria lack __________ structure/component?
a. outer membrane
b.
murein
c.
teichoic acid
d.
plasma membrane
Which
of the following gram-positive bacteria causes pharyngitis (sore throat)?
a.
Neisseria
b. Streptococcus
c.
Staphylococcus
d.
Mycobacterium
Which
of the following gram-negative bacteria is/are not aerobic?
a.
Pseudomonas
b.
Neisseria
c. Escherichia
d.
None of these
Thermus
thermopiles is a___________.
a. gram negative
eubacteria
b.
gram positive eubacteria
c.
gram negative archebacteria
d.
gram positive archebacteria
The
enzyme, which hydrolyses the murein is___________.
a.
perxoidase
b.
tannase
c. lysozyme
d.
none of these
Gram-positive
bacteria, responsible for food poisoning, is/are___________.
a.
Mycoplasmas
b.
Pseudomonas
c. Clostridia
d.
all of these
Which
of the following is a gram-positive bacteria?
a.
Lactobacillus
b.
Staphylococci
c.
Streptococci
d. All of these
Bacterial
spoilage is identified by which of the following morphological characteristics?
a.
Encapsulation
b.
Endospores
c.
Cell aggregation
d. All of these
Which
of the following is/are not a gram-positive bacteria?
a.
Streptococci
b. Pseudomonas
c.
Mycobacteria
d.
None of these
Bacteria
are
a. saprophytic
b.
symbiotic
c.
hyper parasitic
d.
all of these
Gram-negative
bacteria, responsible for food poisoning, is/are___________.
a. Salmonella
b.
Pseudomonas
c.
Clostridia
d.
None of these
Coliform
bacteria on fermentation of carbohydrates yields___________.
a.
lactic acid
b.
acetic acid
c.
formic acid
d. all of these
Gram-negative
bacterium is/are___________.
a. Escherichia
b.
Clostridia
c.
Staphylococci
d.
All of these