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Final Exam Review # 7
Test Description: This is the final installment (at least for now) of final exam review questions.
Instructions: Answer all questions to get your test result.
1) The data in an experiment leads directly to the
A
Independent variable
B
Dependent variable
C
Hypothesis
D
Conclusion
2) Something that you assume to be correct based on the data from an experiment is a(n)
A
Independent variable
B
Constant
C
Exclamation
D
Inference
3) What is the part of the experiment to which the results of your manipulations can be compared?
A
Dependent Variable
B
Constant
C
Control
D
Independent Variable
4) When we increase the number of times we do an experiment, we have increased the
A
Value of the experiment
B
Feasibility of the study
C
Frequency of results
D
Sample size
5) Increasing the sample size of an experiment increases the
A
Cost per subject
B
Simplicity of the experiment
C
Variability in results
D
Validity of the experiment
6) Which variable is the data that is known before the start of the experiment and is intentionally changed between experimental groups?
A
Control
B
Independent
C
Dependent
D
Constant
7) Which variable is the data that is collected or measured during the experiment and relies on the experimental groups?
A
Independent
B
Dependent
C
Constant
D
Control
8) Which portion of the experiment that receives no manipulation and exists for comparison purposes is the
A
Control
B
Independent variable
C
Dependent variable
D
Constants
9) The portions of an experiment that must remain the same for all groups are the
A
Control
B
Dependent variable
C
Constants
D
Independent variable
10) When using a microscope, why should you only use the fine adjustment (focus) knob when using the high powered lens?
A
Because the image is upside down and backwards,
B
So that too much light does not enter the diaphragm
C
To increase the magnification
D
So you don’t break the slide
11) When would you make a wet mount slide?
A
To preserve your specimen
B
To see the letter
C
For large items
D
To view live specimens
12) Bromothymol blue is an indicator for carbon dioxide gas. This makes it convenient for determining the presence of which biological process?
A
Homeostasis
B
Cellular respiration
C
Natural selection
D
Photosynthesis
13) Iodine (Lugol’s solution) turns dark blue is the presence of
A
Protein
B
Starch
C
Glucose
D
Water
14) Which tool would you use to determine the acidity or basicity of a solution?
A
Electrophoresis
B
Triple beam balance
C
pH paper
D
Thermometer
15) When making a line graph, what goes on the X-axis?
A
Independent variable
B
The bars
C
Results
D
Dependent variable
16) When making a graph, where must your axis numbering start?
A
The ends
B
The internal axis
C
The origin
D
The beginning of the data
17) What intervals must be used when preparing the axis on a graph?
A
Anything, as long as they are the same along the whole axis
B
Fives
C
Tens
D
Ones
18) Which theory of evolution by natural selection was proposed by Charles Darwin and predicts that evolution occurs at a slow and steady pace?
A
Gradualism
B
Punctuated equilibrium
C
Mitosis
D
Inheritance of Acquired Characteristics
19) Which theory of evolution by natural selection was proposed by Gould and predicts that evolution rapidly interspersed with periods of stability?
A
Mitosis
B
Gradualism
C
Punctuated equilibrium
D
Inheritance of Acquired Characteristics
20) What is sometimes used to highlight particular parts of a specimen when preparing a microscope slide?
A
Adhesive
B
Stain
C
Conglomerate
D
Lubricant
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