BIOLOGY 141 LAB EXAM 1
EXPECTED QUESTIONS WITH VERIFIED ANSWERS
Question 1.
the study of the phenomena observing living systems asking questions, tions for observations called
scientific investigation
ANSWER
of life biology and organisms, and proposing explana- through a process
Question 2.
common elements by scientific investigators
ANSWER
and procedures followed scientific method
Question 3.
For a question to the phenomenon
ANSWER
be pursued by scientists, well defined, testable, with measurable must be...? and controllable
elements
Question 4.
tentative explanation data must be testable cannot be proven to support it
ANSWER
based on evidence or hypothesis and falsifiable true; can only get evidence
Question 5.
Ways to test a hypothesis
ANSWER
include...? experimentation, additional observa- tions, or the synthesis of information from a
variety of sources
,Question 6.
the variable or experimental nipulated or changed
ANSWER
condition ma- independent variable
Question 7.
the variable measured, served in response ditions
ANSWER
counted, or ob- dependent variable to the experimental con-
Question 8.
experimental conditions stant and unchanged of an experiment used in order to limit ables that
affect the
ANSWER
that are held con- controlled variables throughout the course the number of vari- dependent
variable
Question 9.
the stepwise method, to be performed
ANSWER
or sequence of steps, procedure for the experiment
Question 10.
value set for the ex. If a company is may receive a 5mg dose, and a third
ANSWER
independent variables level of treatment testing a drug, one group dose, another a 10mg a
15mg dose
Question 11.
statement about ment if the hypothesis stated in an "if...then..."
ANSWER
the outcome of an experi- prediction was true fashion
,Question 12.
Purpose of tables
ANSWER
and graphs...? help analysis and interpretation of results and enhance the clarity of presented
results
Question 13.
The independent ___-axis
ANSWER
variable is graphed on the x-axis (abscissa)
Question 14.
The dependent variable ___-axis
ANSWER
is graphed on the y-axis (ordinate)
Question 15.
graphs used to show of the chosen variable rise and fall of the used to present continuous data
ANSWER
changes in the quantity line graph and emphasize the values of their range quantitative
Question 16.
graphs often used separate or discontinuous numerical categories, discrete differences
ANSWER
for data that represent bar graph groups or non- thus emphasizing the between the groups
Question 17.
research that is peer in a scientific journal the ideas, procedures, conclusions of all critically
scrutinized scribed as self-correcting)
ANSWER
reviewed and published primary reference results, analyses, and scientific investigations are
by other scientists (de-
, Question 18.
the fundamental and simplest biological all the characteristics
ANSWER
biological unit, the smallest cell structure possessing of the living condition
Question 19.
cells that lack nuclei organelles earliest known cells ments 3.5 billion
ANSWER
and membrane-bound prokaryotic cells found in fossilized sedi- years old
Question 20.
cells that have a nuclei brane-bound organelles appeared in the fossil lion years ago evolutionary of
multicellularity have originated more types of cells
ANSWER
and mem- eukaryotic cells record around 1.5 bil- appears to than one in these
Question 21.
Microscopes with nifying lenses (the lenses) are considered...?
ANSWER
a minimum of two mag- compound ocular and the objective
Question 22.
microscopes that
ANSWER
have two eyepieces binocular microscopes
Question 23.
microscopes that
ANSWER
have one eyepiece monocular microscopes
EXPECTED QUESTIONS WITH VERIFIED ANSWERS
Question 1.
the study of the phenomena observing living systems asking questions, tions for observations called
scientific investigation
ANSWER
of life biology and organisms, and proposing explana- through a process
Question 2.
common elements by scientific investigators
ANSWER
and procedures followed scientific method
Question 3.
For a question to the phenomenon
ANSWER
be pursued by scientists, well defined, testable, with measurable must be...? and controllable
elements
Question 4.
tentative explanation data must be testable cannot be proven to support it
ANSWER
based on evidence or hypothesis and falsifiable true; can only get evidence
Question 5.
Ways to test a hypothesis
ANSWER
include...? experimentation, additional observa- tions, or the synthesis of information from a
variety of sources
,Question 6.
the variable or experimental nipulated or changed
ANSWER
condition ma- independent variable
Question 7.
the variable measured, served in response ditions
ANSWER
counted, or ob- dependent variable to the experimental con-
Question 8.
experimental conditions stant and unchanged of an experiment used in order to limit ables that
affect the
ANSWER
that are held con- controlled variables throughout the course the number of vari- dependent
variable
Question 9.
the stepwise method, to be performed
ANSWER
or sequence of steps, procedure for the experiment
Question 10.
value set for the ex. If a company is may receive a 5mg dose, and a third
ANSWER
independent variables level of treatment testing a drug, one group dose, another a 10mg a
15mg dose
Question 11.
statement about ment if the hypothesis stated in an "if...then..."
ANSWER
the outcome of an experi- prediction was true fashion
,Question 12.
Purpose of tables
ANSWER
and graphs...? help analysis and interpretation of results and enhance the clarity of presented
results
Question 13.
The independent ___-axis
ANSWER
variable is graphed on the x-axis (abscissa)
Question 14.
The dependent variable ___-axis
ANSWER
is graphed on the y-axis (ordinate)
Question 15.
graphs used to show of the chosen variable rise and fall of the used to present continuous data
ANSWER
changes in the quantity line graph and emphasize the values of their range quantitative
Question 16.
graphs often used separate or discontinuous numerical categories, discrete differences
ANSWER
for data that represent bar graph groups or non- thus emphasizing the between the groups
Question 17.
research that is peer in a scientific journal the ideas, procedures, conclusions of all critically
scrutinized scribed as self-correcting)
ANSWER
reviewed and published primary reference results, analyses, and scientific investigations are
by other scientists (de-
, Question 18.
the fundamental and simplest biological all the characteristics
ANSWER
biological unit, the smallest cell structure possessing of the living condition
Question 19.
cells that lack nuclei organelles earliest known cells ments 3.5 billion
ANSWER
and membrane-bound prokaryotic cells found in fossilized sedi- years old
Question 20.
cells that have a nuclei brane-bound organelles appeared in the fossil lion years ago evolutionary of
multicellularity have originated more types of cells
ANSWER
and mem- eukaryotic cells record around 1.5 bil- appears to than one in these
Question 21.
Microscopes with nifying lenses (the lenses) are considered...?
ANSWER
a minimum of two mag- compound ocular and the objective
Question 22.
microscopes that
ANSWER
have two eyepieces binocular microscopes
Question 23.
microscopes that
ANSWER
have one eyepiece monocular microscopes
