Bacteriology Quiz
Preview:
Head lice are a type of parasite responsible for contagious diseases and conditions
A. TRUE
B. FALSE
Which plasmid contains the genes required for conjugation?
A. R Plasmids
B. T Plasmid
C. F Plasmid
D. Col plasmid
Bacteria multiply best in cool, bright, dry places.
A. TRUE
B. FALSE
If an antibody response were to be initiated against an endotoxin, against what structure would it be directed?
A. Lipid A
B. Core polysaccharide
C. O-polysaccharide
D. None of the choices
Where do the site for electron transfer for energy is located within a bacteria?
A. Inclusion bodies
B. Cell envelope
C. Nucloid
D. Cytosol
What is the color of the pigment xanthomonadin?
A. Blue
B. Yellow
C. Purple
D. Pink
The equation used to obtain bacterial population by binary fission is
A. N=No2n
B. log N/No = (0.3010)n
C. log (N/No) = nlog2
D. All of the above
The rRNA present in Bacterial ribosomes are
A. 25S, 16S and 5S
B. 28S, 18S and 5S
C. 23S, 16S and 5.8S
D. 23S, 16S and 5S
The term facultative anaerobic refers to an organism that
A. doesn’t use oxygen but tolerates it
B. it killed by oxygen
C. uses oxygen when present or grows without oxygen when absent
D. requires less oxygen that is present in air
Exponential phase of growth curve of bacteria is of limited duration because of
A. rise in cell density
B. accumulation of toxic metabolites
C. exhaustion of nutrients
D. all of the above
Which of these fungi is a partially positive in acid fastness?
A. M. gypseum
B. C. immitis
C. B. dermatitidis
D. C. albicans
Lice and mites cause what type of disease?
A. Pathogenic
B. Parasitic
C. Systemic
D. Viral
The amorphous version of a glycocalyx:
A. Capsule
B. Vi antigen
C. Slimy layer
D. None of the choices
bacteria are mostly
A. mesophiles
B. thermophiles
C. psychrophiles
D. neutrophiles
identify the image
A. bacteria
B. gram negative
C. gram positive
D. acid fasting