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Selective and Differential Media for Identifying Microorganisms
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1)Phenylethyl alcohol agar is 
  
2)In EMB agar, one of the indicators used is Methylene Blue. Which is the other? 
  
3)Mannitol salt agar plates are used for the differentiation of the members of the genus? 
  
4)Phenylethyl alcohol agar is a selective medium that allows growth of Gram positive organisms 
  
5)Which of the following inhibits the growth of Gram positive bacteria?
  
6)MacConkey agar is a differential medium containing lactose, bile salts, neutral red and crystal violet 
  
7)MacConkey’s Agar contains_________ that inhibits most Gram-positive bacteria, except Enterococcus and some species of Staphylococcus 
  
8)The indicator in Mannitol Salt agar is neutral red 
  
9)Hektoen enteric agar a selective and differential agar primarily used to isolate________ and ___________ 
  
10)EMB agar is a blend of two stains, eosin and ________ in the ratio of 6:1 
  
11)On EMB agar, if ________ is grown it will give a distinctive metallic green sheen appearance 
  
12)The development of yellow halos around the bacterial growth on a mannitol salt agar plate is evidence of a pathogenic species of Staphylococcus 
  
13)Percentage of sodium chloride in mannitol salt agar is_______ 
  
14)Blood agar is used to cultivate and isolate many types of bacteria, but it is best known for its role in differentiating the members of Streptococcus 
  
15)Phenylethyl alcohol agar supports the growth of__________ 
  

  


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