,CHAPTER”1
TRUE/FALSE”-”Write”'T'“if”the”statement”is”true”and”'F'“if”the”statement”is”false.
1) Members”of”the”same”species”share”many”more”characteristics”compared”to”those”share
d”by”members”of”the”same”kingdom.
⊚ true
⊚ false
2) Viruses”are” not”classified”in”any”of”Whittaker's”five”kingdoms.
⊚ true
⊚ false
3) Members”of”the”kingdom”Fungi”are”photosynthetic.
⊚ true
⊚ false
4) A”scientist”studying”helminths”is”working”with”bacteria.
⊚ true
⊚ false
5) The”fossil”record”has”established”that”prokaryotes”existed”on”Earth”for”approximately”tw
o”billion”years”before”eukaryotes”evolved.
⊚ true
⊚ false
6) It”has”been”over”25”years”since”a”new”infectious”disease”has”emerged”in”the”world.
⊚ true
⊚ false
7) The”term”sterile”means”free”of”all”life-forms.
1
, ⊚ true
⊚ false
8) All”microorganisms”are”parasites.
⊚ true
⊚ false
9) During”a”scientific”experiment,”the”control”group”is”used”to”directly”test”or”measure”th
e”consequences”of”a”variable”in”the”study.
⊚ true
⊚ false
10) The”scientific”method”involves”formulating”a”tentative”explanation,”called”the”hypothesis,”
to”account”for”what”has”been”observed”or”measured.
⊚ true
⊚ false
11) Once”an”organism”is”assigned”to”a”particular”taxonomic”hierarchy,”it”is”permanent”and
”cannot”be”revised.
⊚ true
⊚ false
12) When”the”results”of”an”experiment”support”a”hypothesis,”the”hypothesis”can”now”b
e”considered”a”theory.
⊚ true
⊚ false
13) The”names”of”the”three”proposed”domains”are:”Bacteria,”Protista,”Eukarya.
⊚ true
⊚ false
2
, 14) One”distinguishing”characteristic”of”archaeais”that”they”live”in”extreme”environments.
⊚ true
⊚ false
15) Some”microorganisms”can”photosynthesize,”but”their”overall”contribution”to”Earth's”
atmospheric”oxygen”is”very”small”in”comparison”to”plant”photosynthesis.
⊚ true
⊚ false
16) Any”microorganism”on”or”in”the”human”body”is”considered”a”pathogen.
⊚ true
⊚ false
17) Theories”are”supported”by”more”evidence”than”hypotheses.
⊚ true
⊚ false
MULTIPLE”CHOICE”-
”Choose”the”one”alternative”that”best”completes”the”statement”or”answers”the”question.
18) Disease-causing”microorganisms”are”called
A) decomposers.
B) prokaryotes.
C) pathogens.
D) eukaryotes.
E) fermenters.
19) The”microorganisms”that”recycle”nutrients”by”breaking”down”dead”matter”and”wastes”are
”called
3
TRUE/FALSE”-”Write”'T'“if”the”statement”is”true”and”'F'“if”the”statement”is”false.
1) Members”of”the”same”species”share”many”more”characteristics”compared”to”those”share
d”by”members”of”the”same”kingdom.
⊚ true
⊚ false
2) Viruses”are” not”classified”in”any”of”Whittaker's”five”kingdoms.
⊚ true
⊚ false
3) Members”of”the”kingdom”Fungi”are”photosynthetic.
⊚ true
⊚ false
4) A”scientist”studying”helminths”is”working”with”bacteria.
⊚ true
⊚ false
5) The”fossil”record”has”established”that”prokaryotes”existed”on”Earth”for”approximately”tw
o”billion”years”before”eukaryotes”evolved.
⊚ true
⊚ false
6) It”has”been”over”25”years”since”a”new”infectious”disease”has”emerged”in”the”world.
⊚ true
⊚ false
7) The”term”sterile”means”free”of”all”life-forms.
1
, ⊚ true
⊚ false
8) All”microorganisms”are”parasites.
⊚ true
⊚ false
9) During”a”scientific”experiment,”the”control”group”is”used”to”directly”test”or”measure”th
e”consequences”of”a”variable”in”the”study.
⊚ true
⊚ false
10) The”scientific”method”involves”formulating”a”tentative”explanation,”called”the”hypothesis,”
to”account”for”what”has”been”observed”or”measured.
⊚ true
⊚ false
11) Once”an”organism”is”assigned”to”a”particular”taxonomic”hierarchy,”it”is”permanent”and
”cannot”be”revised.
⊚ true
⊚ false
12) When”the”results”of”an”experiment”support”a”hypothesis,”the”hypothesis”can”now”b
e”considered”a”theory.
⊚ true
⊚ false
13) The”names”of”the”three”proposed”domains”are:”Bacteria,”Protista,”Eukarya.
⊚ true
⊚ false
2
, 14) One”distinguishing”characteristic”of”archaeais”that”they”live”in”extreme”environments.
⊚ true
⊚ false
15) Some”microorganisms”can”photosynthesize,”but”their”overall”contribution”to”Earth's”
atmospheric”oxygen”is”very”small”in”comparison”to”plant”photosynthesis.
⊚ true
⊚ false
16) Any”microorganism”on”or”in”the”human”body”is”considered”a”pathogen.
⊚ true
⊚ false
17) Theories”are”supported”by”more”evidence”than”hypotheses.
⊚ true
⊚ false
MULTIPLE”CHOICE”-
”Choose”the”one”alternative”that”best”completes”the”statement”or”answers”the”question.
18) Disease-causing”microorganisms”are”called
A) decomposers.
B) prokaryotes.
C) pathogens.
D) eukaryotes.
E) fermenters.
19) The”microorganisms”that”recycle”nutrients”by”breaking”down”dead”matter”and”wastes”are
”called
3
