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