QUESTIONS AND CORRECT ANSWERS
All cmicroorganisms care cbest cdefined cas corganisms cthat:
A. ccause chuman cdisease
B. clack ca ccell cnucleus c
C. care cinfectious cparticles
D. care ctoo csmall cto cbe cseen cwith cthe cunaided ceye
E. ccan conly cbe cfound cgrowing cin claboratories c- cCORRECT cANS✔✔D. care ctoo
csmall cto cbe cseen cwith cthe cunaided ceye
Which cof cthe cfollowing cis ca cdifference cbetween cprokaryotic cand ceukaryotic ccells?
A. cprokaryotes chave ca ccell cwall, cwhile ceukaryotes cdo cnot
B. cprokaryotes chave cmultiple clinear cchromosomes cwhile ceukaryotes chave ca csingle,
ccircle cchromosome
C. ceukaryotes chave cno cmembrane cbound corganelles, cwhile cprokaryotes cdo ccontain
cthem
D. cprokaryotes chave ca cnucleus cwhile ceukaryotes cdo cnot
E. cprokaryotes ccontain cthe cbacteria cand carchea, cwhile ceukaryotes cinclude call cother
cliving corganisms c- cCORRECT cANS✔✔E. cprokaryotes ccontain cthe cbacteria cand
carchea, cwhile ceukaryotes cinclude call cother cliving corganisms
Which cof cthe cfollowing cis cfound cin cALL cbacterial ccells?
A. cflagella
B. ccell cwall
C. cpili
D. cspore
E. cnone cof cthe cabove c- cCORRECT cANS✔✔E. cnone cof cthe cabove
Microbes care cbeneficial cin cthat cthey chave cbeen cused cto:
A. ctreat cwaste cwater
B. cclean cup ctoxic cspills
C. cdecompose corganic cmaterial
D. call cof cthe cabove
E. cnone cof cthe cabove c- cCORRECT cANS✔✔D. call cof cthe cabove
Scientists cuse cmicrobes cto cproduce cdrugs, chormones, cand cenzymes. cThis ctype cof
cbiotechnology cinvolves cthe ctransfer cof cforeign cgenetic cmaterial cinto ca cmicrobe, ca
cprocess ccalled:
,A. crecombinant cDNA ctechnology c
B. cgene ctherapy
C. cbioremediation
D. cpolymerase cchain creaction c- cCORRECT cANS✔✔A. crecombinant cDNA
ctechnology
Which cof cthe cfollowing cis cthe csmallest ccause cof cinfectious cdisease?
A. cprotozoans
B. cbacteria
C. chelminths
D. cviruses
E. cnone cof cthe cabove c- cCORRECT cANS✔✔D. cviruses
Gram cnegative cbacteria cdiffer cfrom cgram cpositive cin cthat cthey:
A. care cnon-pathogenic
B. cdo cnot chave ca ccell cwall
C. chave cflagella
D. chave can couter cmembrane csurrounding cthe ccell cwall
E. cnone cof cthe cabove c- cCORRECT cANS✔✔D. chave can couter cmembrane
csurrounding cthe ccell cwall
Which cof cthe cfollowing cis cmismatched?
A. cribosomes c- cprotein csynthesis
B. cinclusions c- cexcess ccell cnutrients cand cmaterials
C. cplasmids c- cgenes cessential cfor cgrowth cand cmetabolism
D. cnucleoid c- chereditary cmaterial
E. ccytoplasm c- cdense, cgelatinous csolution c- cCORRECT cANS✔✔C. cplasmids c-
cgenes cessential cfor cgrowth cand cmetabolism
Bacterial cendospores care cnot cproduced cby:
A. cstaphylococcus
B. cbacillus
C. cclostridium
D. call cof cthe cchoices cproduce cendospores c- cCORRECT cANS✔✔A. cstaphylococcus
Which cof cthe cfollowing cis ca cunique ccharacteristic cof cviruses cthat cdistinguishes cthem
cfrom cother cmajor cgroups cof cmicroorganisms?
A. ccause chuman cdisease
B. clack ca cnucleus
C. ccannot cbe cseen cwithout ca cmicroscope
D. ccontain cgenetic cmaterial
E. clack ccell cstructure c- cCORRECT cANS✔✔E. clack ccell cstructure
Koch's cpostulates care ccriteria cused cto cestablish cthat:
A. cmicrobes care cfound con cdust cparticles
B. ca cspecific cmicrobe cis cthe ccause cof ca cspecified cdisease
, C. clife cforms ccan conly carise cfrom cpreexisting clife cforms
D. ca cspecific cmicrobe cshould cbe cclassified cin ca cspecific ckingdom
E. cmicrobes ccan cbe cused cto cclean cup ctoxic cspills c- cCORRECT cANS✔✔B. ca
cspecific cmicrobe cis cthe ccause cof ca cspecified cdisease
Which cscientific cfield cis cinvolved cin cthe cidentification, cclassification, cand cnaming cor
corganisms?
A. cnomenclature
B. ctaxonomy
C. cphylogeny
D. cwoesean cclassification
E. cnone cof cthe cchoices cis ccorrect c- cCORRECT cANS✔✔B. ctaxonomy
Select cthe ccorrect cdescending ctaxonomic chierarchy c(left cto cright):
A. cfamily, corder, cclass
B. cfamily, cgenus, cspecies
C. cgenus, cspecies, cfamily
D. cclass, cphylum, corder
E. ckingdom, cdomain, cphylum c- cCORRECT cANS✔✔B. cfamily, cgenus, cspecies
Which cof cthe cfollowing cis ca cscientific cname?
A. cgram-positive cstreptococcus
B. cstaphylococcus
C. cstaphylococcus cpyogenes
D. canthrax
E. cstreptobacilli c- cCORRECT cANS✔✔C. cstaphylococcus cpyogenes
Aseptic ctechnique caims cto creduce cthe cnumber cof cmicrobes cin cmedical csettings,
cthus cpreventing cwound cinfection cand cdisease. cThese ctechniques cwere cfirst
cintroduced cin ca csurgical csetting cby:
A. cJoseph cLister c
B. cRobert cHooke
C. cLouis cPasteur
D. cAntonie cvan cLeeuwenhoek c- cCORRECT cANS✔✔A. cJoseph cLister
The cdifference cin ccell cwall cstructure cof cMycobacterium cand cNorcardia ccompared cto
cthe ctypical cgram-positive cbacterial ccell cwall cstructure cis:
A. cmore cpeptidoglycan
B. cpredominance cof cunique, cwaxy clipids
C. ceasily cdecolorized
D. cpresence cof clipopolysaccharide
E. call cof cthe cchoices care ccorrect c- cCORRECT cANS✔✔B. cpredominance cof cunique,
cwaxy clipids
A ccapsule csurrounding ca cbacterium cmay callow:
A. ctransfer cof cplasmids ccarrying cdrug cresistance cgenes