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Worksheetsbacteria as a cause of disease
Total questions: 15
Worksheet time: 7mins
Bacterial cell wall is of only one type
true
false
Endotoxin that is highly pyrogenic is found only in
gram negative bacteria
gram positive bacteria
in both
in none
Exotoxins are highly potent and can cause major damage to the host is found in
gram negative bacteria
gram positive bacteria
both
none
Peptidoglycan that protect bacterial cells from environmental stress and helps preserve cell morphology throughout their life cycle is rich in
gram positive bacteria
gram negative bacteria
both
This group of organisms are more sensitive to penicillin group of drugs
Gram positive
Gram negative
both
Phages are viruses infecting
viruses infecting plants
viruses infecting bacteria
viruses infecting animals
antibiotic resistance is most commonly transferred from one bacteria to another by
conjugation
plasmids
bacteriophages
all options mentioned
molecular koch postulates revolves around virulence factor
false
true
may be
may not be
this inhibits phagocytosis
Protein M
cell membrane
flagella
superantigen is derived from some species of ..................., is a potent immunomodulator
bacteria
virus
mycoplasma
all options mentioned
Why were infectious fluids designed to pass through porcelain filters?
to calm the virus
To stimulate the bacterial cell
To trap bacteria
to release bacteria
What percentage of the bacterial chromosomes is composed of viral genes ?
20-25%
5-10%
10-20%
30-60%
Which is the easiest way for a person to prevent microbial infections?
Avoid contact with animals.
Sterilize everything in the home.
Isolate themselves at home.
Wash hands frequently with hot water and soap.
All bacteria are harmful to humans
True
False
Viruses were discovered by filtering infectious fluid through a filter designed to trap what ?
Bacteria
Algae
Fungi
Membranes within the cell
