MICROBIOLOGYgBIO250gSTRAIGHTERLINEgFULLgCOURSEgGRADEDgEXA
MSg1,2,3,4,5,6gMIDTERMgEXAM(2gVERSIONS)gANDgFINALgEXAMg(2gVER
SIONS)gMAYg2022gAGRADE
StraighterlinegMicrobiologygExamg1 BIO250_Saylor_V5
Grade:g81.00goutgofg90.00g(90%)
1. Amonggthegtypesgofgmicroorganisms,gthe aregnoncellular.
a.gviruses
b. helminths
c. protozoans
d. bacteria
2. Thegwavelengthgofglightgusedgandgthegnumericalgapertureggoverns .
c.gmagnification
d.g sizegofgthegfield
e.g contrast
3. Whatgisgthegmaximumgnumbergofgelectronsgingthegfirstgenergygshellgofgan
gatom?
4. Thioglycolategmediumgcontainsgthegfollowing:gyeastgextract,gpancreaticgdigest
gofgcasein,gglucose,gL-
cysteine,gsodiumgchloride,gsodiumgthioglycolate,gandgagar.g Itgisgconsideredgag
complexgmediumgbecause
a.gbothgyeastgextractgandgpancreaticgdigestgofgcaseingaregnotgchemicallygdefined.
,c. dependinggongtheirgoxygengutilizationgpattern,gorganismsgwillggrowgdifferentlygon
git.
d. thioglycolateghasgagcarbon-
sulfurgbondgthatgmanygmicrobesgcannotgbreakgenzymatically.
5. Whichgofgthegfollowinggisgnotgagpyrimidine?
a.gUracil
,d.g Cytosine
6. Thegfirstgcellsgappearedgabout billiongyearsgago.
a.g5
e.g1
7. Whichgofgthegfollowinggisgnotganginoculatinggtool?
8. Ingthegcellgcytoplasm,gmoleculesgofgATPgarega .
9. Burninggcoalgproducesgsulfurgdioxidegingthegatmosphere.gWhengcombinedgwith
graingthatgfallsgintogbodiesgofgwater,gthisgleadsgto
a.g angincreasegingpHglevelgofgthegwater.
10. Whichgtypegofgmediumgwouldgbegthegbestgchoicegwhengshippinggagsamplegof
gbacteriagfromgagclinicgtogaglaboratorygforgtesting?
, 11. Thegsimplegmicroscopesgusedgbygthegearliestgpractitionersgofgmicroscopy
gcontainedgwhichgofgthegfollowing?
12. Substancesgthatgreleasegionsgwhengdissolvedgingwatergandgconductgelectricity
gare .
a.g covalent
b.gnonpolar
c.g electrons
d.g electrolytes
e.gsolvents
13. Hydrogengbonds
14. Agreducinggmediumg contains
a.gsugarsgthatgcangbegfermented.
b.gextragoxygen.
c.ghemoglobin,gvitamins,gorgotherggrowthgfactors.
d.gsubstancesgthatg removegoxygen.
e.ginhibitinggagents.
15. WhichgofgthegfollowinggisgNOTgagrecentgdiscoverygthatghasghadgaghugegimpac
tgongthegunderstandinggofgmicrobiology?
a. Restrictiongenzymes
b. PCRgtechnique
MSg1,2,3,4,5,6gMIDTERMgEXAM(2gVERSIONS)gANDgFINALgEXAMg(2gVER
SIONS)gMAYg2022gAGRADE
StraighterlinegMicrobiologygExamg1 BIO250_Saylor_V5
Grade:g81.00goutgofg90.00g(90%)
1. Amonggthegtypesgofgmicroorganisms,gthe aregnoncellular.
a.gviruses
b. helminths
c. protozoans
d. bacteria
2. Thegwavelengthgofglightgusedgandgthegnumericalgapertureggoverns .
c.gmagnification
d.g sizegofgthegfield
e.g contrast
3. Whatgisgthegmaximumgnumbergofgelectronsgingthegfirstgenergygshellgofgan
gatom?
4. Thioglycolategmediumgcontainsgthegfollowing:gyeastgextract,gpancreaticgdigest
gofgcasein,gglucose,gL-
cysteine,gsodiumgchloride,gsodiumgthioglycolate,gandgagar.g Itgisgconsideredgag
complexgmediumgbecause
a.gbothgyeastgextractgandgpancreaticgdigestgofgcaseingaregnotgchemicallygdefined.
,c. dependinggongtheirgoxygengutilizationgpattern,gorganismsgwillggrowgdifferentlygon
git.
d. thioglycolateghasgagcarbon-
sulfurgbondgthatgmanygmicrobesgcannotgbreakgenzymatically.
5. Whichgofgthegfollowinggisgnotgagpyrimidine?
a.gUracil
,d.g Cytosine
6. Thegfirstgcellsgappearedgabout billiongyearsgago.
a.g5
e.g1
7. Whichgofgthegfollowinggisgnotganginoculatinggtool?
8. Ingthegcellgcytoplasm,gmoleculesgofgATPgarega .
9. Burninggcoalgproducesgsulfurgdioxidegingthegatmosphere.gWhengcombinedgwith
graingthatgfallsgintogbodiesgofgwater,gthisgleadsgto
a.g angincreasegingpHglevelgofgthegwater.
10. Whichgtypegofgmediumgwouldgbegthegbestgchoicegwhengshippinggagsamplegof
gbacteriagfromgagclinicgtogaglaboratorygforgtesting?
, 11. Thegsimplegmicroscopesgusedgbygthegearliestgpractitionersgofgmicroscopy
gcontainedgwhichgofgthegfollowing?
12. Substancesgthatgreleasegionsgwhengdissolvedgingwatergandgconductgelectricity
gare .
a.g covalent
b.gnonpolar
c.g electrons
d.g electrolytes
e.gsolvents
13. Hydrogengbonds
14. Agreducinggmediumg contains
a.gsugarsgthatgcangbegfermented.
b.gextragoxygen.
c.ghemoglobin,gvitamins,gorgotherggrowthgfactors.
d.gsubstancesgthatg removegoxygen.
e.ginhibitinggagents.
15. WhichgofgthegfollowinggisgNOTgagrecentgdiscoverygthatghasghadgaghugegimpac
tgongthegunderstandinggofgmicrobiology?
a. Restrictiongenzymes
b. PCRgtechnique
