Bacteriological Media

 

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Bacteriological Media

Question 1
Which of the following bacteria requires nicotinic acid as a growth factor in their media?
A
Proteus vulgaris
B
Nitrosomonas sp.
C
E. coli
D
Leuconostoc mesenteroides

Question 2
Nutrient broth, a liquid media contains beef extract and peptone respectively in how much amounts?
A
0.2 %, 0.4 %
B
0.1 %, 0.6 %
C
0.3 %, 0.5 %
D
0.7 %, 0.3 %

Question 3
Which of the following are functions of Maintenance Media?
A
used for assay of vitamins, amino acids
B
used for determining the bacterial content
C
used for determining the type of growth produced by bacteria
D
used for the maintenance of the viability and physiological characteristics

Question 4
Which of the following instrument is used for sterilizing the media after it has been prepared?
A
Autoclave
B
Laminar Air Flow Chamber
C
Inoculum Needle
D
Incubator

Question 5
Colony formation can be observed in liquid media broth.
A
True
B
False

Question 6
The isolation of gonorrhea-causing organism, Neisseria gonorrhoeae by the use of certain antibiotics in media is an example of which of the following?
A
Selective media
B
Differential media
C
Enriched media
D
Assay media

Question 7
Which of the following is a rich source of B vitamins?
A
Peptone
B
Yeast extract
C
Beef extract
D
Agar

Question 8
Which of the following is used as a solidifying agent for media?
A
Beef extract
B
Peptone
C
Agar
D
Yeast extract

Question 9
Which of the following is a Complex media for fungal growth?
A
Nutrient broth
B
Luria-Bertani media
C
Potato Dextrose Agar(PDA) media
D
Mac Conkey Agar media

Question 10
Which of the following is a characteristic of beef extract?
A
product resulting from the digestion of proteinaceous materials
B
aqueous extract of lean beef tissue
C
aqueous extract of yeast cells
D
complex carbohydrate obtained from certain marine algae
There are 10 questions to complete.

 

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