,CHAPTER 1
TRUE/FALSE11-
11Write11'T'11if11the11statement11is11true11and11'F'11if11the11statement11is11false.
1) Members11of11the11same11species11share11many11more11characteristics11compared11to11t
hose11shared11by11members11of11the11same11kingdom.
⊚ true
⊚ false
2) Viruses11are1 1 not11classified11in11any11of11Whittaker's11five11kingdoms.
⊚ true
⊚ false
3) Members11of11the11kingdom11Fungi11are11photosynthetic.
⊚ true
⊚ false
4) A11scientist11studying11helminths11is11working11with11bacteria.
⊚ true
⊚ false
5) The11fossil11record11has11established11that11prokaryotes11existed11on11Earth11for11approx
imately11two11billion11years11before11eukaryotes11evolved.
⊚ true
⊚ false
6) It11has11been11over112511years11since11a11new11infectious11disease11has11emerged11in11the11
world.
⊚ true
⊚ false
7) The11term11sterile11means11free11of11all11life-forms.
Version11 1
1
, ⊚ true
⊚ false
8) All11microorganisms11are11parasites.
⊚ true
⊚ false
9) During11a11scientific11experiment,11the11control11group11is11used11to11directly11test11or
11measure11the11consequences11of11a11variable11in11the11study.
⊚ true
⊚ false
10) The11scientific11method11involves11formulating11a11tentative11explanation,11called11the11h
ypothesis,11to11account11for11what11has11been11observed11or11measured.
⊚ true
⊚ false
11) Once11an11organism11is11assigned11to11a11particular11taxonomic11hierarchy,11it11is11pe
rmanent11and11cannot11be11revised.
⊚ true
⊚ false
12) When11the11results11of11an11experiment11support11a11hypothesis,11the11hypothesis1
1can11now11be11considered11a11theory.
⊚ true
⊚ false
13) The11names11of11the11three11proposed11domains11are:11Bacteria,11Protista,11Eukarya.
⊚ true
⊚ false
Version11 2
1
, 14) One11distinguishing11characteristic11of11archaeais11that11they11live11in11extreme11environm
ents.
⊚ true
⊚ false
15) Some11microorganisms11can11photosynthesize,11but11their11overall11contribution11t
o11Earth's11atmospheric11oxygen11is11very11small11in11comparison11to11plant11photosynthesi
s.
⊚ true
⊚ false
16) Any11microorganism11on11or11in11the11human11body11is11considered11a11pathogen.
⊚ true
⊚ false
17) Theories11are11supported11by11more11evidence11than11hypotheses.
⊚ true
⊚ false
MULTIPLE11CHOICE11-
11Choose11the11one11alternative11that11best11completes11the11statement11or11answers11the1
1question.
18) Disease-causing11microorganisms11are11called
A) decomposers.
B) prokaryotes.
C) pathogens.
D) eukaryotes.
E) fermenters.
Version11 3
1
TRUE/FALSE11-
11Write11'T'11if11the11statement11is11true11and11'F'11if11the11statement11is11false.
1) Members11of11the11same11species11share11many11more11characteristics11compared11to11t
hose11shared11by11members11of11the11same11kingdom.
⊚ true
⊚ false
2) Viruses11are1 1 not11classified11in11any11of11Whittaker's11five11kingdoms.
⊚ true
⊚ false
3) Members11of11the11kingdom11Fungi11are11photosynthetic.
⊚ true
⊚ false
4) A11scientist11studying11helminths11is11working11with11bacteria.
⊚ true
⊚ false
5) The11fossil11record11has11established11that11prokaryotes11existed11on11Earth11for11approx
imately11two11billion11years11before11eukaryotes11evolved.
⊚ true
⊚ false
6) It11has11been11over112511years11since11a11new11infectious11disease11has11emerged11in11the11
world.
⊚ true
⊚ false
7) The11term11sterile11means11free11of11all11life-forms.
Version11 1
1
, ⊚ true
⊚ false
8) All11microorganisms11are11parasites.
⊚ true
⊚ false
9) During11a11scientific11experiment,11the11control11group11is11used11to11directly11test11or
11measure11the11consequences11of11a11variable11in11the11study.
⊚ true
⊚ false
10) The11scientific11method11involves11formulating11a11tentative11explanation,11called11the11h
ypothesis,11to11account11for11what11has11been11observed11or11measured.
⊚ true
⊚ false
11) Once11an11organism11is11assigned11to11a11particular11taxonomic11hierarchy,11it11is11pe
rmanent11and11cannot11be11revised.
⊚ true
⊚ false
12) When11the11results11of11an11experiment11support11a11hypothesis,11the11hypothesis1
1can11now11be11considered11a11theory.
⊚ true
⊚ false
13) The11names11of11the11three11proposed11domains11are:11Bacteria,11Protista,11Eukarya.
⊚ true
⊚ false
Version11 2
1
, 14) One11distinguishing11characteristic11of11archaeais11that11they11live11in11extreme11environm
ents.
⊚ true
⊚ false
15) Some11microorganisms11can11photosynthesize,11but11their11overall11contribution11t
o11Earth's11atmospheric11oxygen11is11very11small11in11comparison11to11plant11photosynthesi
s.
⊚ true
⊚ false
16) Any11microorganism11on11or11in11the11human11body11is11considered11a11pathogen.
⊚ true
⊚ false
17) Theories11are11supported11by11more11evidence11than11hypotheses.
⊚ true
⊚ false
MULTIPLE11CHOICE11-
11Choose11the11one11alternative11that11best11completes11the11statement11or11answers11the1
1question.
18) Disease-causing11microorganisms11are11called
A) decomposers.
B) prokaryotes.
C) pathogens.
D) eukaryotes.
E) fermenters.
Version11 3
1
