Quiz
immunology+bacterial genetics and growth
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Questions in this quiz (10)
1One of the signals required in the isotype switch of antibodys is:
- AA)Binding of CD40L on t cells with CD40 on b cells
- BB) Binding of ICAM-1 with LFA-1
- CC) Binding of B7 with CD28
- DD) Non of the above
2Which of the following Abs increases with intrauterine infection?
- AA) IgG
- BB) IgM
- CC) IgE
- DD) IgD
3Secretory portion of IgA is synthesized by :
- AA) epithelial cells
- BB) submucosal plasma cells
- CC) A & B
- DD) Non of the above
4Which of the following stabilizes C3 convertase in the alternative pathway of complement activation:
- AA) Properdin
- BB) Protectin
- CC) Decay acceleration factor
- DD) all of the above
5C3b receptor is found on the following cells except:
- AA) MQ
- BB) B cell
- CC) Neutrophils
- DD) non of the above
6Obligate fermenters are:
- AA) Obligate anaerobes
- BB)Facultative anaerobes
- CC) Microaerophils
- DD) Aerotolerant anaerobes
7Bacilli can form endospores in which of the following phases?
- AA) Stationary phase
- BB) Lag phase
- CC) Exponential phase
- DD) Decline phase
8Which of the following is an acidophilic bacterium?
- AA) Vibrio cholera
- BB) Lactobacillus
- CC) Mycoplasma
- DD) Neisseria
9Plasmids can be integrated into chromosomes forming:
- AA) Episomes
- BB) Mesosomes
- CC) Prophage
- DD) Bacteriophage
10Which of the following substances kill same or closely related species of bacteria?
- AA) Colicin
- BB) Antibiotics
- CC) A &B
- DD) Enterotoxin
Information
- Description
- Microbiology
- Author
- atbaa2020
- Language
- English
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