General Microbiology MCQs

21. Question
Phenol co-efficiant indicates

 Efficacy of a disinfectant
 Dilution of a disinfectant
 Quantity of disinfectant
 Purity of a disinfectant

Answer
22. Question
The usual concentration of agar used for agar medium is

 2%
 5%
 20%
 10%

Answer
23. Question
Which is following is an enrichment medium ?

 Chocolate media
 Meat extract media
 Selenite F broth
 Egg media

Answer
24. Question
The media for cultivation of anaerobic organism is

 Salt agar
 Stuart’s medium
 Robertson’s cooked meat broth
 Chocolate agar

Answer
25. Question
Heating and subsequent plating is a method used

 Corynebacterium
 Vibrio
 Salmonella
 Clostridia

Answer

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