1. Biology is:
A) the study of living things.
B) always used responsibly in advertising claims.
C) a separate branch of science that studies how organisms interact with each other and with their environment.
D) mostly a collection of facts that can be ordered and memorized.
E) the means by whi...
BSC 1005 CH. 1-8 || A+ Graded Already. 2024
1. Biology is:
A) the study of living things.
B) always used responsibly in advertising claims.
C) a separate branch of science that studies how organisms interact with each other and with their environment.
D) mostly a collection of facts that can be ordered and memorized.
E) the means by which we can answer questions such as "Does God exist?" correct answers A) the study of living things.
2. A general fact-based understanding of the fundamentals of biology and other sciences is referred to as:
A) statistical science.
B) superstition.
C) scientific literacy.
D) pseudoscience.
E) true science. correct answers C) scientific literacy
3. Biological literacy is the ability to:
A) use scientific-sounding language to promote consumer products.
B) make assumptions about the world, based on the opinions of others.
C) determine if one phenomenon caused another, just by making one or a few observations.
D) apply the scientific method to evaluate non-quantifiable, subjective information.
E) use the process of scientific inquiry to think creatively about real-world issues that have a biological
component correct answers E) use the process of scientific inquiry to think creatively about real-
world issues that have a biological
component.
4. Scientific thinking relies on which of the following?
A) accepting the statements of others as true
B) intuition
C) memorizing facts
D) skepticism
E) applying your preconceptions correct answers D) skepticism
5. "Science is self-correcting." This means:
A) science is incapable of producing mistaken beliefs if its studies are carefully done.
B) science only accepts what is true.
C) scientists correct their personal biases before engaging in scientific study.
D) science actively seeks to disprove its own theories and hypotheses.
E) scientists always proofread each other's work. correct answers D) science actively seeks to disprove its own theories and hypotheses.
6. After one conducts a critical experiment, what is the next step in the scientific process? A) Make observations.
B) Formulate a hypothesis.
C) Draw conclusions, and make revisions.
D) Devise a testable prediction.
E) Formulate a null hypothesis. correct answers C) Draw conclusions, and make revisions.
7. What should you do when something you believe turns out to be wrong?
A) feel ashamed
B) blame the government
C) change your mind
D) doubt your ability to properly perceive the sensory stimuli of the world
E) regroup and keep testing your hypothesis until you prove yourself right correct answers C) change your mind
8. The raw materials of science are:
A) hunches.
B) theories.
C) predictions.
D) observations.
E) hypotheses. correct answers D) observations.
9. In your lab, you notice that pea plants that were given a mixture of water and fertilizer have grown nearly three
times as tall as pea plants that were given water only. This step of the scientific method is called:
A) stating a law.
B) making an observation.
C) drawing a conclusion.
D) conducting a critical experiment.
E) formulating a theory correct answers B) making an observation
10. "Engaging in aerobic activity three times each week will reduce cholesterol levels" is a:
A) substantiated explanation.
B) testable hypothesis.
C) scientific control.
D) critical experiment.
E) null hypothesis. correct answers B) testable hypothesis.
11. Scientific data:
A) can be generalized to a much larger population.
B) are used to support or refute a hypothesis.
C) cannot be collected in a completely unbiased way.
D) are always true.
E) must be collected in laboratories. correct answers B) are used to support or refute a hypothesis. 12. If your hypothesis is "Estrogens in sewage runoff turn fish into hermaphrodites," what is your null hypothesis?
A) Estrogens in sewage runoff have no effect in turning fish into hermaphrodites.
B) Estrogens in sewage runoff turn turtles into hermaphrodites.
C) Estrogens in sewage runoff turn hermaphroditic fish into unisexual fish.
D) Testosterones in sewage runoff turn fish into hermaphrodites.
E) Testosterones in sewage runoff have no effect in turning fish into hermaphrodites. correct answers A) Estrogens in sewage runoff have no effect in turning fish into hermaphrodites
13. In a well-designed experiment:
A) the prediction will most likely be true.
B) you can prove your hypothesis to be true.
C) the prediction will be highly probable if the explanation is correct.
D) the null hypothesis will not be tested.
E) only the researchers will know who is receiving a placebo. correct answers C) the prediction will be highly probable if the explanation is correct.
14. A useful scientific hypothesis is one that is:
A) proven.
B) testable.
C) conclusive.
D) accurate.
E) abstract. correct answers B) testable.
15. When conducting a scientific experiment, a(n) _____________ is tested.
A) theory
B) prediction
C) question
D) answer
E) null variable correct answers B) prediction
16. You are given a pill in a scientific trial that looks identical to a pill containing an active ingredient, but your pill
does not contain an active ingredient. The pill you were given is called a(n):
A) treatment.
B) aspirin.
C) tablet.
D) narcotic.
E) placebo. correct answers E) placebo.
17. If your hypothesis is rejected, then:
A) your experiment was a success.
B) your experiment was poorly designed.
C) your data is only half as reliable.
D) you should change the level of statistical significance until your hypothesis is accepted. E) you may still have learned something important about the system you were testing. correct answers E) you may still have learned something important about the system you were testing.
18. 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) "Data" are the facts you collect from your experiment, whereas "results" are your interpretation of what the data
mean.
C) Any two scientists examining the same "data" would draw the same "results."
D) The "Data" section should always come before the "Results" section in a scientific paper.
E) Results are collected from the experiment and then data analysis is done correct answers B) "Data" are the facts you collect from your experiment, whereas "results" are your interpretation of what the data
mean
19. In science, theories tend to be ___________ than hypotheses.
A) more speculative
B) less scientific
C) more experimental
D) broader in scope
E) less reliable correct answers D) broader in scope
20. Which of the following is the best description of a control group in an experiment?
A) The control group and the test groups may have several differences between them.
B) The control group is identical to each test group, except for one variable.
C) There can be more than one difference between the control group and test groups but not several differences;
otherwise, the experiment is invalid.
D) There should be more than one control group in any experiment.
E) The control group is a test group that is chosen at random correct answers B) The control group is identical to each test group, except for one variable
21. In a randomized, controlled, double-blind study:
A) neither the experimenter nor the subject know whether the subject is in a control group or an experimental
group.
B) individuals will be assigned to an experimental or control group depending on whether or not they took part in a
pilot study.
C) experimental subjects are blindfolded when given the experimental treatment.
D) all experimental groups are filled randomly using no particular criteria.
E) the experimenter knows which subjects are in the experimental group but not the control group correct answers A) neither the experimenter nor the subject know whether the subject is in a control group or an experimental
group
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