Scientific Method and Conclusion. B.a Hypothesis

Biology Quiz #1

Multiple Choice
Identify the choice that best completes the statement or answers the question.

__C__ 1. Science differs from other disciplines, such as history and the arts, because science relies on
a.|facts. |
b.|testing explanations.|
c.|observations.|
d.|theories.|

_B___ 2. The work of scientists usually begins with
a.|testing a hypothesis.|
b.|careful observations.|
c.|creating experiments.|
d.|drawing conclusions.|

__D__ 3. Information gathered from observing a plant grow 3 cm over a two-week period is called
a.|inferences.|
b.|variables.|
c.|hypotheses.|
d.|data. |

__B__ 4. Based on your observations, you predict that the presence of water could accelerate the growth of bread mold. This is
a.|a conclusion.|
b.|a hypothesis. |
c.|an experiment.|
d.|an analysis.|

__B__ 5. Suppose that a scientist proposes a hypothesis about how a newly discovered virus affects humans. Other virus researchers would likely
a.|reject the hypothesis right away.|
b.|change the hypothesis to fit their own findings.|
c.|design new experiments to test the proposed hypothesis. |
d.|assume that the hypothesis is true for all viruses.|

__C__ 6. Suppose that a scientific idea is true, well-tested and is made from predictions in numerous new situations, but cannot explain one particular event. This idea is a
a.|hypothesis that is incorrect.|
b.|hypothesis that must be retested.|
c.|theory that may need revision|
d.|none of the above|

__C__ 7. Which of the following is a question that can be answered by science?
a.|What is beauty?|
b.|Is it ethical to do experiments on animals?|
c.|How does DNA influence a person’s health? |
d.|Do people watch too much television?|

__A__ 8. A personal preference or point of view is
a.|
b.|
c.|
d.|

__C__ 9. Which of the following is NOT a characteristic of all living things?
a.|growth and development|
b.|ability to move|
c.|response to the environment |