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