Core questions for 10th grade biology
Core Questions
Scientific Method
1. Which of the following observations is
qualitative and not quantitative?
A. Surveying the size of a goose
population.
B. Observing the nocturnal behavior of
coyote populations.
C. Recording the date when goose
migrations begin every year.
D. Counting the number of goose nests
that are robbed of eggs in an area.
B. Observing the nocturnal behavior of
coyote populations.
2. What is true of all hypotheses?
A. They are true.
B. They are false.
C. They are testable.
D. They are indisputable.
C. They are testable.
3. In an experiment, what happens to the
control group?
A. It receives no experimental treatment.
B. It receives experimental treatment last.
C. It receives experimental treatment first.
D. It receives more experimental treatments
than the other groups.
A. It receives no experimental treatment.
4. In a controlled experiment, what do scientists
measure?
A. how many dependent variables they have
B. how many independent variables they have
C. how the dependent variables change in
response to changes in the independent
variable
D. how the independent variables change in
response to changes in the dependent
variable
C. how the dependent variables change in
response to changes in the independent
variable
5. Regarding the scientific method, which
statement is false?
A. Hypotheses are proven as absolutely
true or false.
B. The control is not subjected to the
experimental variable.
C. Statistical tests may be used to analyze
the results of the experiment.
D. Results of the experiment are often
summarized in a graph or table.
A. Hypotheses are proven as absolutely
true or false.
6. Which of the following is true about
theories and hypotheses?
A. A hypothesis is highly tested, but a
theory is not testable.
B. A hypothesis is a general explanation,
but a theory is a specific prediction.
C. One hypothesis can lead to many
theories.
D. Several related hypotheses can be
incorporated into a theory
D. Several related hypotheses can be incorporated
into a theory
7. Each of the following steps is involved in
scientific thought except
A. questioning ideas.
B. evaluating bias.
C. making observations.
D. expressing your personal opinions.
D. expressing your personal opinions.
8. List the following steps of the scientific
method in order from first (1) to last (4):
____ Collect experimental data
____ Making a hypothesis
____ Analyze the data
____ Make an observation
__3__ Collect experimental data
__2__ Making a hypothesis
__4__ Analyze the data
__1__ Make an observation
9. Look at the graph below. What is the
dependent variable? What is the
independent variable?
Dependent Variable – Rate of Reaction
Independent Variable – pH
Use the table below to answer question 10.
Students’ Observations of a Pond Ecosystem
10. A group of students measured a ten-square-meter section of a
pond ecosystem and recorded observations. Which statement is a
testable hypothesis?
A. The frogs living in the pond represent a population.
B. Water is an abiotic component in the pond ecosystem.
C. If the fish are given more food, then they will be happier.
D. If the frogs are startled, then they will jump into the water.
D. If the frogs are startled, then they will jump
into the water.