1. To2survive,2microbial2inhabitants2have2learned2to2adapt2by2varying2all2of2the2following,2except
a. growth2rate.
b. growth2in2all2atmospheric2conditions.
c. growth2at2particular2temperatures.
d. bacterial2shape.
ANS:2 D
The2chapter2begins2by2discussing2the2way2microbial2inhabitants2have2had2to2evolve2to2survive2in2
many2different2niches2and2habitats.2It2discusses2slow2growers,2rapid2growers,2and2replication2wi
th2scarce2or2abundant2nutrients,2under2different2atmospheric2conditions,2temperature2requireme
nts,2and2cell2structure.2Bacterial2shape2as2a2form2of2evolution2is2not2discussed.
OBJ:2 Level22:2Interpretation
2. Who2was2considered2the2father2of2protozoology2and2bacteriology?
a. Anton2van2Leeuwenhoek
b. Louis2Pasteur
c. Carl2Landsteiner
d. Michael2Douglas
ANS:2 A
The2book2discusses2Anton2van2Leeuwenhoek2as2the2inventor2of2the2microscope2and2the2first2perso
n2to2see2the2―beasties.‖2So2they2dubbed2him2the2father2of2protozoology2and2bacteriology.2The2ot
her2three2individuals2were2not2discussed.
OBJ:2 Level21:2Recall
3. Prokaryotic2cells2have2which2of2the2following2structures2in2their2cytoplasm?
a. Golgi2apparatus
b. Ribosomes
c. Mitochondria
d. Endoplasmic2reticulum
ANS:2 B
All2the2structures2listed2are2found2in2eukaryotic2cells,2but2ribosomes2are2the2only2ones2that2ap
ply2to2prokaryotic2cells.
OBJ:2 Level21:2Recall
4. This2form2of2DNA2is2commonly2found2in2eukaryotic2cells.
a. Linear
b. Circular
c. Plasmid
d. Colloid
.
.
, ANS:2 A
Circular2and2plasmid2DNA2are2usually2found2only2in2bacteria,2not2eukaryotic2cells.2Colloid2is2a2pr
operty2of2protein2molecules2and2is2not2associated2with2nucleotides.
OBJ:2 Level21:2Recall
5. The2nuclear2membrane2in2prokaryotes2is
a. missing.
b. impenetrable.
c. a2classic2membrane.
d. a2lipid2bilayer2membrane.
ANS:2 A
Prokaryotic2cells2do2not2have2any2membrane-
bound2structures2in2the2cytoplasm2including2a2structured2nucleus.
OBJ:2 Level21:2Recall
6. A2microorganism2that2is2a2unicellular2organism2and2lacks2a2nuclear2membrane2and2true2nu
cleus2belongs2to2which2classification?
a. Fungi
b. Bacteria
c. Algae
d. Parasite
ANS:2 B
Fungi,2algae,2and2parasites2are2unicellular2eukaryotic2organisms2that2contain2a2true2nucleus.2B
acteria2are2prokaryotic2and2do2not2contain2a2true2nucleus2or2nuclear2membrane.
OBJ:2 Level21:2Recall
7. In2the2laboratory,2the2clinical2microbiologist2is2responsible2for2all2the2following,2except
a. isolating2microorganisms.
b. selecting2treatment2for2patients.
c. identifying2microorganisms.
d. analyzing2bacteria2that2cause2disease.
ANS:2 B
Clinical2microbiologists2do2not2select2the2treatment2for2patients.2They2provide2the2doctor2with2the2
name2of2the2organism2and2the2antibiotics2that2can2kill2the2bacteria,2but2not2in2the2final2selection2
of2treatment2protocols.
OBJ:2 Level22:2Recall
8. What2enables2the2microbiologist2to2select2the2correct2media2for2primary2culture2and2optimize2th
e2chance2of2isolating2a2pathogenic2organism?
a. Determining2staining2characteristics
b. Understanding2the2cell2structure2and2biochemical2pathways2of2an2organism
c. Understanding2the2growth2requirements2of2potential2pathogens2at2specific2body2site
d. Knowing2the2differences2in2cell2walls2of2particular2bacteria
ANS:2 C
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