BIO 100 Lab Test #1 UPDATED ACTUAL
Exam Questions and CORRECT Answers
Crustacean - CORRECT ANSWER - What kind of animal is a pillbug?
Exoskeleton - CORRECT ANSWER - What kind of skeleton does a pillbug have?
Gills
- Slightly moist - CORRECT ANSWER - What structures do pill-bugs use for gas
exchange, and what condition must these structures be in to function properly?
Make observations - CORRECT ANSWER - What do scientists do first when they begin
to study a specific topic?
Hypothesis - CORRECT ANSWER - What is tentative decision about the outcome of an
experiment?
Control - CORRECT ANSWER - What do we call the sample that lacks the factor being
tested and goes through all the experimental steps?
Data - CORRECT ANSWER - What do scientists call the information they collect while
doing experiments or making observations?
Conclusion - CORRECT ANSWER - Which is made by A scientist following experiments
and observations, a theory or a conclusion?
Scientific theory - CORRECT ANSWER - What do scientists develop after many years of
experimentation and a lot of similar individual conclusions?
, Hypothesis supported - CORRECT ANSWER - If your hypothesis was that your pillbug
would be attracted to applesauce and your pillbug moved towards the applesauce, what would
you say about your hypothesis?
Indicated whether all statements are hypotheses, conclusions, or scientific theories.
a. Scientific theory
b. Conclusion
c. Hypothesis
d. Hypothesis - CORRECT ANSWER - Indicated whether all statements are hypotheses,
conclusions, or scientific theories.
a. All organisms are made of cells.
b. The data show that trans fat intake raises cholesterol and contributes to heart disease.
c. If a pillbug travels 3 mm in 30 sec, what is the rate of speed?
d. If a pillbug moves toward a substance, is it attracted to or repelled by that substance?
Why is a theory more comprehensive than a conclusion? - CORRECT ANSWER --a
theory is tested more and with different but similar or the same results.
- conclusion is one set of data.
Why is it important to have a control substance for an experiment? - CORRECT
ANSWER - - remains constant in order to test a relationship of dependent and independent
variables.
Why is it important to test a pillbug's response using one substance at a time? - CORRECT
ANSWER - -more reliable results
-less pillbug confusion
1.9 cm - CORRECT ANSWER - 19 mm equals how many cm?
0.88m - CORRECT ANSWER - 880 mm equals how many m?
Exam Questions and CORRECT Answers
Crustacean - CORRECT ANSWER - What kind of animal is a pillbug?
Exoskeleton - CORRECT ANSWER - What kind of skeleton does a pillbug have?
Gills
- Slightly moist - CORRECT ANSWER - What structures do pill-bugs use for gas
exchange, and what condition must these structures be in to function properly?
Make observations - CORRECT ANSWER - What do scientists do first when they begin
to study a specific topic?
Hypothesis - CORRECT ANSWER - What is tentative decision about the outcome of an
experiment?
Control - CORRECT ANSWER - What do we call the sample that lacks the factor being
tested and goes through all the experimental steps?
Data - CORRECT ANSWER - What do scientists call the information they collect while
doing experiments or making observations?
Conclusion - CORRECT ANSWER - Which is made by A scientist following experiments
and observations, a theory or a conclusion?
Scientific theory - CORRECT ANSWER - What do scientists develop after many years of
experimentation and a lot of similar individual conclusions?
, Hypothesis supported - CORRECT ANSWER - If your hypothesis was that your pillbug
would be attracted to applesauce and your pillbug moved towards the applesauce, what would
you say about your hypothesis?
Indicated whether all statements are hypotheses, conclusions, or scientific theories.
a. Scientific theory
b. Conclusion
c. Hypothesis
d. Hypothesis - CORRECT ANSWER - Indicated whether all statements are hypotheses,
conclusions, or scientific theories.
a. All organisms are made of cells.
b. The data show that trans fat intake raises cholesterol and contributes to heart disease.
c. If a pillbug travels 3 mm in 30 sec, what is the rate of speed?
d. If a pillbug moves toward a substance, is it attracted to or repelled by that substance?
Why is a theory more comprehensive than a conclusion? - CORRECT ANSWER --a
theory is tested more and with different but similar or the same results.
- conclusion is one set of data.
Why is it important to have a control substance for an experiment? - CORRECT
ANSWER - - remains constant in order to test a relationship of dependent and independent
variables.
Why is it important to test a pillbug's response using one substance at a time? - CORRECT
ANSWER - -more reliable results
-less pillbug confusion
1.9 cm - CORRECT ANSWER - 19 mm equals how many cm?
0.88m - CORRECT ANSWER - 880 mm equals how many m?
