Examl 1:l BIOl 205/l BIO205l (Latestl 2025/l
2026l Update)l Microbiologyl Review|l Questionsl &l Answers|l Gradel A|l 100%l Correctl (Verifiedl Solutions)-l GCU
Q:l Whatl isl thel advantagel ofl thel sizel ofl prokaryotes?
Answer:
Theirl smalll sizel makesl itl sol theyl havel al rapidl growthl rate
Q:l Stepsl usedl forl al graml stain: 1:l Crystall Violetl 2:l Iodinel 3:l Alcoholl 4:l Safraninl
A:l 1,3,4,2
B:l 1,3,2,4
C:l 2,3,1,4
D:l 1,2,3,4
Answer:
D
Q:l Whichl stepl duringl thel processl ofl graml stainingl couldl causel forl al gram+l stainl tol appearl tol bel al gram-l stain?
Answer:
Stepl 3,l decolorizationl usingl alcohol
Q:l Whyl isl itl importantl tol studyl microorganisms/bacteria?
Answer:
Wel canl notl livel withoutl them
Q:l Whatl isl thel equationl tol findl thel totall magnificationl froml al microscope? 1 / 3
Answer:
Objectivel lensl xl Ocularl lens
Q:l Diplococcus
Answer:
pairs
Q:l Streptococcus
Answer:
chains
Q:l sarcina
Answer:
cubicall packets
Q:l Staphylococcus
Answer:
clusters
Q:l Coccus
Answer:
round
Q:l Bacillus
Answer:
rod
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Q:l Vibrio
Answer:
commal shaped
Q:l Spirillum
Answer:
spiral
Q:l pleomorphic
Answer:
manyl shapes
Q:l Simplel Stain
Answer:
usel ofl al singlel dye alll cellsl stainedl thel samel color observationl ofl morphology
Q:l Differentiall Stain
Answer:
usesl al seriesl ofl reagentsl cellsl stainedl differentlyl observationl ofl differencel inl celll structure
Q:l Whatl isl al capsule?
Answer:
Gel-likel layerl outsidel celll walll thatl protectsl andl mayl bel usedl tol helpl thel bacterial tol adherel tol surfaces
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