Making Connections
Quiz
•
Biology
•
9th Grade
•
Hard
Jeanette Acevedo
FREE Resource
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38 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin.
In this investigation, the independent variable is the
control
exercise
rate of squeezing
number of participants
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin.
Muscle fatigue occurs during this activity when
carbon dioxide is used up in the muscle cells
simple sugar is converted to starch in the muscle cells
proteins accumulate in mitochondria in the muscle cells
certain waste products collect in the muscle cells
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin.
The experimental results could be made more valid by
increasing the number of students
using safety precautions
using a plastic clothespin
making a bar graph of the data
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin.
The dependent variable for this experiment is the
time the student was squeezing the clothespin
number of times the student was able to squeeze the clothespin
strength of the student
length of the clothespin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student lifted weights after school and found that his muscles started to burn. He couldn’t continue to lift the weights after prolonged exercising. This muscle fatigue is most likely due to
the heart beating too fast and tiring out
the lungs accumulating oxygen
lack of oxygen and build up of waste in the muscles
lack of carbon dioxide in the muscles
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student hypothesized that watching sports on television would cause viewers’ pulse rates to increase. She designed an experiment to determine the effect of watching sports on pulse rate. A group of 200 volunteers took their pulse rates and then watched their favorite sports on television. After the games, they immediately took their pulse rates again. The data collected showed that the pulse rates of some people increased, but the pulse rates of an equal number of people did not change. Although the hypothesis was not supported by the data, the hypothesis is still valuable because it
may lead to further investigation
can be changed to fit the data
is the opinion of the experimenter
is based on beliefs of the volunteers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a control group is not included in an experiment, it would be difficult to
formulate a hypothesis for the experiment
make observations about the experimental group
record data in a data table
draw a valid conclusion
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