BIO 121: Lab Final Exam Review Questions with
Certified Solutions
which of the following is NOT one of the fundamental characteristics of science? - Answer it involves a
search for irregularities
a useful hypothesis is - Answer a testable statement
the scientific method includes all of the following EXCEPT - Answer theories
in an experiment, which of the following variables is used as baseline for comparison? - Answer control
a theory is... - Answer an idea on which experts in the field agree
in a typical solution, the ________ is the dissolving medium and the ________ is the substance
dissolved. - Answer solvent, solute
the function of a hypothesis is to ________ - Answer provide direction for gathering data
after completing a controlled experiment, a scientist changes the dosage of an antibiotic and repeats the
experiment. The change in dosage is the _________ - Answer independent variable
scientific notation is a way of expressing __________ - Answer extremely small and large numbers and
even those that have many zeros
for the number 6.8 x 10^7, the 7 is called the - Answer exponent
k
h
d
, (g,l,m)
d
c
m - Answer 1,000
100
10
1
.1
.01
.001
the metric prefix "kilo" means - Answer thousand
what is the symbol for centimeter? - Answer cm
how many millimeters are in 1 centimeter - Answer 10
when multiplying numbers written in scientific notation, you should _______ the exponents. - Answer
add
what is the number 4.85 x 10^5 in standard notation - Answer 485,000
which of the following instruments is used in the laboratory to distribute and extract precise amounts of
liquids - Answer pipette
what is the total magnification of the ocular lenses? - Answer scanning - 4x (10x)= 40x
low-power - 10x (10x)= 100x
high-power - 40x (10x)= 400x
Certified Solutions
which of the following is NOT one of the fundamental characteristics of science? - Answer it involves a
search for irregularities
a useful hypothesis is - Answer a testable statement
the scientific method includes all of the following EXCEPT - Answer theories
in an experiment, which of the following variables is used as baseline for comparison? - Answer control
a theory is... - Answer an idea on which experts in the field agree
in a typical solution, the ________ is the dissolving medium and the ________ is the substance
dissolved. - Answer solvent, solute
the function of a hypothesis is to ________ - Answer provide direction for gathering data
after completing a controlled experiment, a scientist changes the dosage of an antibiotic and repeats the
experiment. The change in dosage is the _________ - Answer independent variable
scientific notation is a way of expressing __________ - Answer extremely small and large numbers and
even those that have many zeros
for the number 6.8 x 10^7, the 7 is called the - Answer exponent
k
h
d
, (g,l,m)
d
c
m - Answer 1,000
100
10
1
.1
.01
.001
the metric prefix "kilo" means - Answer thousand
what is the symbol for centimeter? - Answer cm
how many millimeters are in 1 centimeter - Answer 10
when multiplying numbers written in scientific notation, you should _______ the exponents. - Answer
add
what is the number 4.85 x 10^5 in standard notation - Answer 485,000
which of the following instruments is used in the laboratory to distribute and extract precise amounts of
liquids - Answer pipette
what is the total magnification of the ocular lenses? - Answer scanning - 4x (10x)= 40x
low-power - 10x (10x)= 100x
high-power - 40x (10x)= 400x
