Biology 101 Final

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Biology 101

FINAL EXAMINATION Spring, 2013

Name: Gabriel Euzebio

Date: May 10, 2013

GENERAL INSTRUCTIONS: This final exam is worth 100 points.

There are three sections. The Multiple Choice section has 50 questions worth 1 point each, for a total of 50 points. The Fill-In The Blanks section has 10 questions worth 1 point each, for a total of 10 points. For the Short Answer section, you must choose to answer 8 of the 12 questions, and each question is worth 5 points, for a total of 40 points. For the Laboratory Short Answer section, you must choose to answer 5 of the 9 questions, and each question is worth 10 points, for a total of 50 points.

Multiple Choice:

Answer ALL of the questions in this section of the exam. Indicate your answer by highlighting your choice. Each question is worth 1 point.

1. What is biology?

A) The study of life
B) The study of the environment
C) The study of DNA
D) The study of genetics
E) The study of the earth

2. Which of the following can be considered definitions of "theory"?

A) A theory can be an explanation of scientific laws.
B) A theory is an integrated explanation of numerous hypotheses, each supported by a large body of observations. C) A theory is a condensation and simplification of many data that previously appeared unrelated. D) A theory is a prediction for new data suggesting new relationships among a range of natural phenomena. E) All of the above.

3. An integrated explanation of numerous hypotheses is known as a ____. A) fact B) law C) control D) theory E) guess

4. What is the correct sequence of steps in the scientific method? I. State a problem
II. Analyze and interpret data
III. Develop a hypothesis
IV. Share the results with other scientists
V. Design and perform experiment to test the hypothesis A) I – II -III -IV – V B) III – I -V– II –IV C) V – IV –III – II – I D) I – III – V– II – IV E) V – II –I – III -IV

5. To test a hypothesis about a given variable, experimental and control groups are tested in parallel. Which of the following best explains the dual experiments? A) In the experimental group, a chosen variable is altered in a known way. In the control group, that chosen variable is not altered so a comparison can be made. B) In the control group, a chosen variable is altered in a known way. In the experimental group, that chosen variable is not altered so a comparison can be made. C) In the experimental group, a chosen variable plus all other variables are altered. In the control group, the chosen variable is altered; however, all other variables are held constant. D) In the experimental and control groups, two different variables are altered. E) Experimental and control groups experiments are identical and run in parallel to get repeatable results.

6. The smallest unit of life is the A) cell B) organelle C) macromolecule D) atom

7. You examine a cell under a microscope and you do not see a well defined nucleus. You conclude the cell must a _____________________ cell. A) prokaryotic B) eukaryotic C) plant D) animal

8. All of the following are examples of elements except?
A) oxygen B) water C) hydrogen D) carbon

9. Two atoms with the same atomic number, but different mass numbers are called_________. A) radioactive B) isotopes C) proteins D) electrons E) nuclei

10. Select the element that is not one of the four most common elements in living matter. A) carbon B) hydrogen C) nitrogen D) oxygen E) phosphorous

11. Organic compounds consist mainly of ________ atoms.
A) oxygen B) nitrogen C) calcium D) carbon E) phosphorous

12. A substance with a pH greater than 7 is ___, while a substance with a pH less than 7 is___. A) basic, acidic B) acidic, basic C) basic, neutral D) neutral, acidic E) neutral, basic

13. The bond in which 2 atoms share one or more pairs of electrons is a ______________ bond....
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