Chapter 2 - Solving a Biological Problem

Solving a Biological Problem

Quiz

 

1. What is the first step in solving a biological problem?
   1.   Experimentation
   2.   Observation
   3.   Hypothesis formulation
   4.   Data analysis
2. . What term is used for a tentative explanation of an observation?
   1.   Theory
   2.   Law
   3.   Hypothesis
   4.   Conclusion
3. . In an experiment, the variable that is changed or controlled is called the:
   1.   ependent variable
   2.   Dependent variable
   3.   Controlled variable
   4.   Extraneous variable
4. What is the purpose of a control group in an experiment?
   1.   To introduce bias
   2.   To provide a basis for comparison
   3.   To change the outcome
   4.   To act as a standard for comparison
5. Which step involves collecting data and evidence through experimentation?
   1.   Conclusion
   2.   Hypothesis
   3.   Experimentation
   4.   Observation
6. What is the final step in the scientific method?
   1.   Formulating a hypothesis
   2.   Conducting an experiment
   3.   Drawing a conclusion
   4.   Making an observation
7. Which type of reasoning involves deriving specific conclusions from general principles?
   1.   Inductive reasoning
   2.   Deductive reasoning
   3.   Abductive reasoning
   4.   None of the above
8. . A well-tested explanation that unifies a broad range of observations is known as:
   1.   Hypothesis
   2.   Theory
   3.   Law
   4.   Conclusion
9. . What is a scientific theory?
   1.   A proven fact
   2.   A random guess
   3.   A well-substantiated explanation
   4.   An untested idea
10. . Which of the following is essential for conducting a controlled experiment?
    1.   Random changes
    2.   A random guess
    3.   Keeping all variables constant except one
    4.   Ignoring data