1. Microbiology Quiz Questions Directions: To advance to the next slide or go back to a previous slide, click on the arrow buttons. To see correct answers to each question(s), click on the picture on that page. February 25, 2002

2. Question 1:  What type of bacterial morphology is shown in the picture below? Streptococcus

3. Question 2:  What type of bacterial morphology and gram stain reaction is shown in the picture below? Gram Negative Diplococcus

4. Question 3:  What type of genetic exchange is being exhibited by the E. coli in the picture below? What is the red structure connecting the two cells together? Conjugation; Sex Pili

5. Question 4:  What kind of microscope was used to get this image of the mosquito below? If this mosquito passes microorganisms from person to person, what do we call it? Scanning EM; A Vector

6. Question 5:  What Kingdom of organisms is represented by the image below? What are the spherical blue structures? What is the name used for the “study of” these organisms? Fungi; Spores; Mycology

7. Question 6:  What organism is shown in the image below? How does it reproduce? Yeast ( Candida albicans ); by budding

8. Question 7:  Most of the culture medias below are in the solid state. What substance must be in these medias? Agar

9. Question 8:  What is the name of the technique shown in the image below? What is the purpose of this technique? What kind of culture plate is being used? Streak-Plating; to isolate bacterial colonies; BAP

10. Question 9:  The microorganism circled in the image below is the causative agent of syphilis. What is the scientific name for this microbe? Treponema pallidum

11. Question 10:  What flagella arrangement is exhibited in the image below? Lophotrichous flagella

12. Question 11:  What 3 types of hemolysis are shown in letters A, B, and C below? A=Alpha B=Beta C=Gamma

13. Question 12:  The image below is a picture of Clostridium tetani, the causative agent of tetnus. What unique morphological feature is seen in the image? Terminal Endospores

14. Question 13:  What kind of microscope was used to view the microbes in the image below? Fluorescent Microscope

15. Question 14:  Image A below represents a positive API 20 reaction for E. coli. In image B, which patient (1, 2, or 3) tested positive for an E. coli infection? A B 1 2 3 Patient 3

16. Question 15:  What classification group of Helminth is shown in picture A? Picture B shows Helminth eggs. Why do we study them? A B Nematoda; to properly identify the worm they came from.

17. Question 16:  What bacterial morphology is shown in the picture below? What organism that has been in the news lately looks like this under the microscope? Streptobacillus; Bacillus anthracis

18. Question 17:  This is a unicellular microorganism. Is it a bacterium or a protist? A Protist (look for the nucleus)

19. Question 18:  What organism is shown in the picture below? What is the head of this organism called? Tapeworm; Scolex