Microbiology Test: Practice Quiz MCQ
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- 1.Who discovered that cowpox was an effective alternative to variolation?
- A.
Walter Reed
- B.
Semmelweis
- C.
Snow
- D.
Jenner
- 2.Who discovered Salvarsan cures syphilis?
- A.
Fleming
- B.
Jenner
- C.
Ehrlich
- D.
Pasteur
- 3.Tetracycline is most effective for which kind of bacteria?
- A.
Gram +
- B.
Gram -
- 4.
- A.
No cell wall
- B.
Photosynthesize
- C.
Slime
- D.
Only grow in living cells
- 5.What does gram positive bacteria have that gram negative doesn't?
- A.
Teichoic acid
- B.
Porins
- C.
Inclusions
- 6.What does obligate facultative bacteria?
- A.
Need oxygen
- B.
Don't need oxygen
- C.
With or without oxygen
- D.
Need low pH
- 7.Which genera form spores?
- A.
Pneumonia
- B.
Bacillius and clostridium
- C.
Listeria and bacillus
- 8.In bacteria how many ATP can be made from 1 glucose molecule?
- 9.Where is bacterial DNA stored?
- 10.Bacteria is diploid.
- A.
True
- B.
False
- 11.Which of these does gram negative bacteria contain?
- A.
Porins
- B.
Thick peptidoglycan layer
- C.
NAM and NAG
- D.
Teichoic acid
- 12.How do bacterial cells divide? (two words)
- 13.These are proteinaceous structures used for protection and attachment to other cells or tissues. Can represent a virulence factor in the disease process.
- 14.Why are endospores sometimes formed?
- A.
In response to viruses
- B.
For reproduction
- C.
Because of excess oxygen
- D.
Nutrient limitation
- 15.What is considered the fingerprint for bacterial identification?
- A.
TRNA
- B.
16s RNA
- C.
30s RNA
- D.
Polymerase
- 16.What year did the Classical Golden Age of Microbiology end?
- 17.What is feedback inhibition an example of ( in cellular metabolism)
- A.
Glycolysis
- B.
Competitive inhibition
- C.
Non competitive inhibition
- D.
Anaerobismn
- 18.Who worked on transposons and corn maize?
- A.
Calmette
- B.
Pasteur
- C.
Fleming
- D.
McClintock
- 19.What is the final electron acceptor in fermentation?
- 20.Fermentation offers more energy than regular prokaryotic metabolism.
- A.
True
- B.
False
- 21.What are the three types of gene transfer in bacteria?
- A.
Genetic engineering
- B.
Conjugation
- C.
Pathogenicity
- D.
Transduction
- E.
Translation
- F.
Transformation
- G.
Transitioning
- 22.Transduction involves
- A.
Chromosomes
- B.
Bacteriophages
- C.
Quinolones
- D.
Flagella
- 23.Which are synthetic antibacterial agents?
- A.
Isoniazid
- B.
Cowpox
- C.
Sulfonamides
- D.
Quinolones
- E.
R-plasmids
- 24.What is transcription?
- A.
Copy DNA to RNA
- B.
Used to make proteins
- 25.What did Griffith's experiments describe?
- A.
Endospores
- B.
Transposons
- C.
Transformation
- D.
Pure cultures
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