Auburn University

BIO 120

Quiz 2

1)Lens' ability to completely separate two objects in a microscopic field.

2. Test tubes are disposed of in/on the
3. The coarse focus adjustment/knob should only be used with the____________objective
4. What are the morphological types of bacteria?
5. A visible mass of cells usually resulting from the division of a single cell?

6. Pleomorphism refers to…
7. No single medium exists that will support the growth of all bacteria:

8. When preparing a bacteriological smear for staining purposes, you add one or two loopfuls of water to the slide surface if your culture is from a…
9. You sterilize your loop and mouth of a test tube by flaming.
10. Disinfection of your work space destroys vegetative cells and viruses, but may not destroy
11. What is disposed of in the biohazard can?
12. Organism classification not likely to pose a disease risk to healthy adults:
13. How is contamination prevented when an inoculating loop is used to transfer a culture?
14. A phase-contrast microscope allows you to observe cells without the necessity of                         

them first.