Gram – Positive Cocci

 

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Gram - Positive Cocci

Question 1
Streptococcus are catalase-positive.
A
True
B
False

Question 2
The cocci belonging to the family Dienococcaceae occur mainly in .....
A
tetrads
B
diplococci
C
streptococci
D
staphylococci

Question 3
Which of the following genus of species occurs in human feces?
A
Peptococcus
B
Coprococcus
C
Sarcina
D
Ruminococcus

Question 4
Among the following which is positive for coagulase test?
A
Staphylococcus aureus
B
Staphylococcus epidermidis
C
Staphylococcus saprophyticus
D
E.coli

Question 5
The family Micrococcaceae do not exhibit any unusual resistance to gamma and ultraviolet radiation.
A
True
B
False

Question 6
Which of the following is the causative agent of dental caries?
A
S.pneumoniae
B
S.pyogenes
C
S.mutans
D
S.faecalis

Question 7
S.pneumoniae produces which of the following type of colonies?
A
alpha-haemolytic
B
beta-haemolytic
C
non-haemolytic
D
alpha-, beta-haemolytic

Question 8
Which of the following species of streptococci belongs to Lancefield group N?
A
S.pyogenes
B
S.mutans
C
S.pneumoniae
D
S.cremoris

Question 9
The organisms belonging to the genus Deinococcus forms colonies of which color?
A
colourless
B
blue
C
red
D
violet
There are 9 questions to complete.

 

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