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