BSC 1005 Midterm Review 1-8 All Possible Questions and Answers with complete solution
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BSC 1005
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BSC 1005
1. A scientific theory is one that:
a. sounds the most plausible.
b. is supported by many years of experimentation all supporting the hypothesis.
c. changes each time a different observation is made.
d. is the result of all scientific experiments.
e. is based on hunches with no actual supporti...
BSC 1005 Midterm Review 1-8
1. A scientific theory is one that:
a. sounds the most plausible.
b. is supported by many years of experimentation all supporting the hypothesis.
c. changes each time a different observation is made.
d. is the result of all scientific experiments.
e. is based on hunches with no actual supporting evidence. - d. is the result of all scientific
experiments.
2. After generating a hypothesis, a scientist next:
a. makes a prediction.
b. writes a grant proposal.
c. does an experiment.
d. formulates a theory.
e. designs a series of tests. - c. does an experiment.
3. Thinking scientifically relies on which of the following?
a. objective observation and experimentation
b. statements from authorities
c. intuition
d. applying your preconceptions
e. learning a list of facts - a. objective observation and experimentation
4. You note a fuzzy growth on some of the gels in your incubator. What is the name given to this step of
the scientific
method?
a. observation
,b. theory
c. hypothesis
d. law
e. confirmation - a. observation
5. Scientific data:
a. must be collected in laboratories.
b. cannot be collected in a completely unbiased way.
c. are used to support or refute a hypothesis.
d. are always true.
e. All of the above are true. - e. All of the above are true.
6. Which of the following statements is CORRECT?
a. A hypothesis that does not generate a testable prediction is not useful.
b. Common sense is usually a good substitute for the scientific method when trying to understand the
world.
c. It is not necessary to make observations as part of the scientific method.
d. The scientific method can be used only to understand scientific phenomena.
e. All of the above are correct. - a. A hypothesis that does not generate a testable prediction is not
useful.
7. Superstitions are:
a. proof that the scientific method is not perfect.
b. held by some humans but not by any non-human species.
c. true beliefs that have yet to be fully understood.
d. just one of many possible forms of scientific thinking.
e. irrational beliefs that actions not logically related to a course of events influence its outcome -
e. irrational beliefs that actions not logically related to a course of events influence its outcome
,8. A _____________ is a pill that looks identical to a pill that contains the active ingredient in a scientific
trial, but
contains no active ingredient itself.
a. capsule
b. barbiturate
c. placebo
d. tablet
e. treatment - c. placebo
9. Which of the following is the BEST way to state the relationship between "data" and "results"?
a. "Data" and "results" are two names for the same thing.
b. The "data" section should always come before the "results" section in a scientific paper.
c. "Data" are the facts you collect from your experiment, while "results" are your interpretation of what
the data mean.
d. Any two scientists examining the same "data" would draw the same "results."
e. Any two scientists reporting the same "results" must have been using the same "data." - c.
"Data" are the facts you collect from your experiment, while "results" are your interpretation of what the
data mean.
10. Biology is ________.
a. mostly a collection of facts that can be ordered and memorized
b. the study of living things
c. a separate branch of science from the study of how organisms interact with each other and with their
environment
d. always used responsibly in advertising claims
e. Both a) and b) are true - b. the study of living things
11. In science, theories tend to be ______________________ than hypotheses.
a. broader in scope
, b. less scientific
c. more speculative
d. more experimental
e. more empirical - a. broader in scope
12. In controlled experiments:
a. all variables are independent of each other.
b. all critical variables are manipulated.
c. all variables are dependent on each other.
d. one variable is manipulated while others are held constant.
e. all variables are held constant. - d. one variable is manipulated while others are held constant.
13. In a randomized, controlled, double-blind study:
a. experimental subjects are blind-folded when given the experimental treatment.
b. individuals will be assigned to an experimental or control group depending on whether they took part
in a pilot study.
c. all experimental variables are held constant.
d. neither the experimenter nor the subject know whether the subject is in a control group or an
experimental group.
e. All of the above. - d. neither the experimenter nor the subject know whether the subject is in a
control group or an experimental group.
14. If a researcher uses the same experimental set-up as another study to collect data, but uses different
research
subjects, it is considered:
a. exploration.
b. replication.
c. extrapolation.
d. inductive reasoning.
e. a two-tailed test of the hypothesis. - b. replication.
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