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BIOLOGY I EXAM #1 2026
ACTUAL QUESTIONS WITH
VERIFIED SOLUTIONS.
5 steps of scientific method - ANSWER-1. observation
2. question
3. hypothesis
4. experiment
5. conclusion
observation - ANSWER-act of viewing the world around us
question - ANSWER-made based off of an observation
hypothesis - ANSWER-a tentative explanation for an
observation
controlled experiment - ANSWER-- test several groups
- introduce a single variable per treatment
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- keep conditions as similar as possible from one group to the
next
conclusion - ANSWER-supports/refutes hypothesis
- more experimentation needed if refuted
prediction - ANSWER-a guess of what might happen based on
observation-- the outcome you would observe if your
hypothesis was supported
theory - ANSWER-a sound explanation of the world supported
through continued observation and experiments over a long
period of time
3 components of a controlled experiment - ANSWER-1.
variable
2. test group
3. control group
variable - ANSWER-feature of an experiment that is changed
from one treatment to the next
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test group - ANSWER-exposed to variable in an experiment
control group - ANSWER-not exposed to the variable in an
experiment
importance of test group & control group - ANSWER-they allow
researchers to determine whether the variable in an experiment
has an effect
independent variable - ANSWER-manipulation performed on
the test group
(ex. hours of tutoring)
which axis is the independent variable found on a graph? -
ANSWER-x-axis
dependent variable - ANSWER-effect that is being measured
(ex. test score)
BIOLOGY I EXAM #1 2026
ACTUAL QUESTIONS WITH
VERIFIED SOLUTIONS.
5 steps of scientific method - ANSWER-1. observation
2. question
3. hypothesis
4. experiment
5. conclusion
observation - ANSWER-act of viewing the world around us
question - ANSWER-made based off of an observation
hypothesis - ANSWER-a tentative explanation for an
observation
controlled experiment - ANSWER-- test several groups
- introduce a single variable per treatment
,2 | Page
- keep conditions as similar as possible from one group to the
next
conclusion - ANSWER-supports/refutes hypothesis
- more experimentation needed if refuted
prediction - ANSWER-a guess of what might happen based on
observation-- the outcome you would observe if your
hypothesis was supported
theory - ANSWER-a sound explanation of the world supported
through continued observation and experiments over a long
period of time
3 components of a controlled experiment - ANSWER-1.
variable
2. test group
3. control group
variable - ANSWER-feature of an experiment that is changed
from one treatment to the next
, 3 | Page
test group - ANSWER-exposed to variable in an experiment
control group - ANSWER-not exposed to the variable in an
experiment
importance of test group & control group - ANSWER-they allow
researchers to determine whether the variable in an experiment
has an effect
independent variable - ANSWER-manipulation performed on
the test group
(ex. hours of tutoring)
which axis is the independent variable found on a graph? -
ANSWER-x-axis
dependent variable - ANSWER-effect that is being measured
(ex. test score)
