Name                                                     Class                   Date
Assessment
  Chapter Test A
The Science of Life
In the space provided, write the letter of the description that best matches the
term or phrase.
______ 1. hypothesis                                  a. variable that is measured in an experiment
                                                      b. the maintenance of a stable level of
______ 2. resolution
                                                         internal conditions
______ 3. magnification                               c. a proposed explanation to a scientific
                                                         question
______ 4. base unit
                                                      d. a factor that differs in the control group
______ 5. dependent variable                             and the experimental group of an
                                                         experiment
______ 6. independent variable
                                                      e. the increase of an object’s apparent size
______ 7. homeostasis                                  f. critique of a scientific paper by an expert
                                                          in the field
______ 8. peer review
                                                      g. the power to show details clearly in an
                                                         image
                                                      h. fundamental SI unit
In the space provided, write the letter of the term or phrase that best completes
each statement or best answers each question.
______ 9. A theory, in the scientific sense, is
          a. the same as a hypothesis.
          b. an uncertain guess.
          c. a set of tested and confirmed related hypotheses.
          d. a prediction.
______10. The function of the eyepiece in a compound light microscope is to
          a. provide light for viewing the image.
          b. support the slide containing the specimen.
          c. magnify the image.
          d. stain the specimen.
______11. During a scientific investigation, a researcher generally forms a
          hypothesis and makes predictions
          a. before asking questions.
          b. after drawing conclusions.
          c. before collecting observations.
          d. after collecting observations.
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Modern Biology                                           1                                Chapter Test
Name                                                       Class                        Date
  The Science of Life, Chapter Test A continued
______12. The presence of viruses inside a cell can best be seen using a
          a. compound light microscope.
          b. transmission electron microscope.
          c. scanning electron microscope.
          d. hand lens.
______13. All of the following are important themes in biology EXCEPT the
          a. classification of living organisms.
          b. diversity and unity of life.
          c. interdependence of living organisms.
          d. evolution of life.
Complete each statement by writing the correct term or phrase in the space
provided.
14. A(n)                                               is the smallest unit capable of all life
    functions.
15. The hierarchy of organization in a multicellular organism consists of cells,
                                           ,                                    , and
16. All living things maintain a balance within their cells and the environment
      through the process of                                                .
17. Parents produce offspring through                                                     .
18. Organisms that are                                                  related are placed on branches
    that are close together in a tree of life.
19.                             as a theme in biology helps biologists understand
      how organisms are related to other living organisms and to organisms that
      have lived in the past.
20. When an owl dilates its pupils in response to decreased light, it is responding
      to a                                         .
21. An organism’s                                                  is all of the chemical reactions that
      it carries out in order to run the processes of life.
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Modern Biology                                             2                                   Chapter Test
Name                                                     Class    Date
  The Science of Life, Chapter Test A continued
Read each question, and write your answer in the space provided.
22. How does the publication of research in a scientific journal benefit scientists?
23. Explain why biology is important to a person’s daily life and to human society.
24. What is the role of metabolism in life?
25. Why is reproduction an essential part of living?
Copyright © by Holt, Rinehart and Winston. All rights reserved.
Modern Biology                                           3                Chapter Test