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Experimental Design Flashcards | StudBud

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Experimental Design

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Experimental design questions for high school biology.

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Questions 10

Answers

1
In a scientific experiment, how many independent variables should be tested at one time?
three or more
two
one
none
2
According to the classification key, what is the genus and species of this organism?
Malacosoma americanum
Papilio palamedes
Eurytides marcellus
Papilio polyxenes
3
Which trial in the table of data shown below has questionable data?
Z
X
W
Y
4
How could the procedure below be improved?
Fewer plants should have been included in each group.
Both groups should have been tested in the same soil type.
One type of plant should have been tested.
The percentage of humidity should have been kept constant.
5
This data came from a student lab journal. What is the dependent variable here?
Incubation temperature
Amount of starch
Fractional activity
Amount of enzyme
6
Look at the data below and suggest the likely independent variable.
Temperature of Water
Amount of Sugar Dissolved
Amount of Water
Temperature of Sugar
7
If plants are added to an indoor environment the air quality will improve. This is a(n) ___?
observation
procedure
hypothesis
theory
8
Examine the data below and select a likely conclusion.
C
B
D
A
9
Select the best hypothesis for the investigation described below.
She counts the robins in her yard once a week for two years.
The number of robins in her yard varies over time.
A student sees fewer robins in her yard during the winter.
She thinks that some robins must migrate in the winter.
10
Which statement is an inference based on the information below?
Plant seeds have different shapes.
Burdock seeds have short peg-like extensions.
Milkweed seeds are dispersed by wind.
Maple seeds have membrane-like extensions.