BMS 2052 TEST QUESTIONS AND
CORRECT ANSWERS
Is staphylococcus gram positive or negative? - ANSWER gram positive
Is staphylococcus motile? - ANSWER Non motile
What type of metabolism is staphylococcus - ANSWER Facultative anaerobes
Is staphylococcus catalase positive or negative? - ANSWER Catalase Positive
What grouping does staphylococcus form? - ANSWER Form irregular clusters
(because they divide in various planes)
What shape is staphylococcus - ANSWER cocci (occur in clusters)
Are cocci bacteria motile? - ANSWER No (no cocci shaped bacteria are
motile)
Give examples of internal tissues which normally don't have microorganisms
present - ANSWER Brain, CSF, blood, kidneys, liver
Mutualism - ANSWER Two independent organisms living together to their
mutual benefit (I.e E. coli in human colon)
What are the mutual benefits of having E. coli in the colon - ANSWER
Production of vitamin K and some B vitamins, break down of waste products,
constant food supply and sheltered environment for bacteria
Commensalism - ANSWER Normal flora that neither hurt, harm or benefit the
host (I.e. resident flora)
CORRECT ANSWERS
Is staphylococcus gram positive or negative? - ANSWER gram positive
Is staphylococcus motile? - ANSWER Non motile
What type of metabolism is staphylococcus - ANSWER Facultative anaerobes
Is staphylococcus catalase positive or negative? - ANSWER Catalase Positive
What grouping does staphylococcus form? - ANSWER Form irregular clusters
(because they divide in various planes)
What shape is staphylococcus - ANSWER cocci (occur in clusters)
Are cocci bacteria motile? - ANSWER No (no cocci shaped bacteria are
motile)
Give examples of internal tissues which normally don't have microorganisms
present - ANSWER Brain, CSF, blood, kidneys, liver
Mutualism - ANSWER Two independent organisms living together to their
mutual benefit (I.e E. coli in human colon)
What are the mutual benefits of having E. coli in the colon - ANSWER
Production of vitamin K and some B vitamins, break down of waste products,
constant food supply and sheltered environment for bacteria
Commensalism - ANSWER Normal flora that neither hurt, harm or benefit the
host (I.e. resident flora)