,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 shared 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 two 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.
Version 1 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 the 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 be considered a theory.
⊚ true
⊚ false
13) The names of the three proposed domains are: Bacteria, Protista, Eukarya.
⊚ true
⊚ false
Version 2
bc1
, 14) One bcdistinguishing bccharacteristic bcof bcarchaeais bcthat bcthey bclive bcin bcextreme
bcenvironments.
⊚ true
⊚ false
15) Some bcmicroorganisms bccan bcphotosynthesize, bcbut bctheir bcoverall
bccontribution bcto bcEarth's bcatmospheric bcoxygen bcis bcvery bcsmall bcin bccomparison bcto
bcplant bcphotosynthesis.
⊚ true
⊚ false
16) Any bcmicroorganism bcon bcor bcin bcthe bchuman bcbody bcis bcconsidered bca bcpathogen.
⊚ true
⊚ false
17) Theories bcare bcsupported bcby bcmore bcevidence bcthan bchypotheses.
⊚ true
⊚ false
MULTIPLE bcCHOICE bc- bcChoose bcthe bcone bcalternative bcthat bcbest bccompletes bcthe bcstatement bcor
bcanswers bcthe bcquestion.
18) Disease-causing bcmicroorganisms bcare bccalled
A) decomposers.
B) prokaryotes.
C) pathogens.
D) eukaryotes.
E) fermenters.
19) The bcmicroorganisms bcthat bcrecycle bcnutrients bcby bcbreaking bcdown bcdead bcmatter
bcand bcwastes bcare bccalled
Version 3
bc1
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 shared 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 two 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.
Version 1 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 the 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 be considered a theory.
⊚ true
⊚ false
13) The names of the three proposed domains are: Bacteria, Protista, Eukarya.
⊚ true
⊚ false
Version 2
bc1
, 14) One bcdistinguishing bccharacteristic bcof bcarchaeais bcthat bcthey bclive bcin bcextreme
bcenvironments.
⊚ true
⊚ false
15) Some bcmicroorganisms bccan bcphotosynthesize, bcbut bctheir bcoverall
bccontribution bcto bcEarth's bcatmospheric bcoxygen bcis bcvery bcsmall bcin bccomparison bcto
bcplant bcphotosynthesis.
⊚ true
⊚ false
16) Any bcmicroorganism bcon bcor bcin bcthe bchuman bcbody bcis bcconsidered bca bcpathogen.
⊚ true
⊚ false
17) Theories bcare bcsupported bcby bcmore bcevidence bcthan bchypotheses.
⊚ true
⊚ false
MULTIPLE bcCHOICE bc- bcChoose bcthe bcone bcalternative bcthat bcbest bccompletes bcthe bcstatement bcor
bcanswers bcthe bcquestion.
18) Disease-causing bcmicroorganisms bcare bccalled
A) decomposers.
B) prokaryotes.
C) pathogens.
D) eukaryotes.
E) fermenters.
19) The bcmicroorganisms bcthat bcrecycle bcnutrients bcby bcbreaking bcdown bcdead bcmatter
bcand bcwastes bcare bccalled
Version 3
bc1
