ou may write on test, but put multiple choice answers on scantron Oous 95 points
ID: 191375 • Letter: O
Question
ou may write on test, but put multiple choice answers on scantron Oous 95 points) 1) What is a hypothesis? A) the same thing as an unproven theory B) a tentative explanation that can be tested and is falsifiable © a verifiable observation sensed directly, or sensed indirectly with the aid of instrumentation D) a fact based on qualitative data that is testable E) a fact based on quantitative data that is falsifiable 2) Why is it important that an experiment include a control group? A) The control group is the group that the researcher is in control of, it is the g researcher predetermines the nature of the results. B) The control group provides a reserve of experimental subjects. C) A control group is required for the development of an "if, then" statement. D) A control group assures that an experiment will be repeatable EWithout a control group, there is no basis for knowing if a particular result i variable being tested or to some other factor. 3) Which is a correct sequence of steps in the scientific method? A. Observation- form hypothesis - draw conclusions -design an experiment B. Observation draw conclusion - design an experiment - form hypothesis C. Form hypothesis - observation - design an experiment -collect data D Observation-form hypothesis - design an experiment-collect data E. Form hypothesis - observation - collect data - design an experiment A) Hydrophobic substances such as fats and oils are A) nonpolar substances that repel water molecules B) nonpolar substances that have an attraction for water molecules. C) polar substances that repel water molecules. D) polar substances that have an attraction for water E) ionic substances that do not interact with covalent molecules like water. 5) Which of the following is true of cellulose? A) It is a polymer composed of sucrose monomers It is a way to store glucose for energy in animal cells. ) It is a major structural component of plant cell walls. D) It is a major structural component of animal cell plasma membranes E) It is easily hydrolyzed in the human intestine.Explanation / Answer
The solutions to above mentioned problems are mentioned below.
A1) D
A2)E
A3)D
A4)A
A5)C
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.